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FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM 2020 SUMMER UPDATES. THE FOAMSPACE TEAM HAS BEEN … Aug 25, 2020 · 6 min read. Diagram of a Zone and Location Customer requesting a Presence Claim. The Foamspace team has been very busy this summer and we are excited to share some of our updates. Our previous blog post described the radio hardware, custom firmware, general architecture of a FPGA powered software defined radio (SDR).VIDEO: FOAM
FOAM is building a decentralized Proof of Location protocol that offers a higher level of security and network strength than conventional location based services. To become a location service provider, a radio beacon stakes a safety deposit of FOAM tokens to participate in the network as a Zone Anchor. It searches for three other beacons nearby. THE SPATIAL INDEX. A GENERAL PURPOSE VISUAL BLOCKCHAIN The spatial index is an explorer for geospatial assets on the blockchain. The full architecture of the application consists of: 1. Frontend app a visual explorer written in purescript, backed by our purescript-web3 library 2. Interactive deck.gl and D3 visualization components for visualizing network activity utilizing the FOAMprotocol.
HOW TO PARTICIPATE IN BLOCKCITIES X FOAM MAP SCAVENGER Introducing the BlockCities x FOAM Scavenger Hunt. The BlockCities x FOAM Scavenger Hunt is an interactive, virtual scavenger hunt that takes place on the FOAM Map 🗺️.. The first person to identify the mystery building and place a corresponding point of ANALYZING THE MAP: THE ISLAND WITH MANY NAMES “Dynamically change disputed national borders” by Mapbox. As our friends at Mapbox recently illustrated, there are ways that maps can converge on neutrality, but in the end there is no avoiding the fact that maps are inherently subjective things.Even just looking at a ‘upright’ 2D map — a ‘mercator’ projection of a 3d oblate spheroid — is a subjective task. INTRODUCING THE FOAM MAP LEADERBOARD AND 3BOX SOCIAL The FOAM Map Leaderboard has integrated 3Box profiles for Cartographer addresses. The integration with 3Box allows Cartographers to create and manage an optional social profile, which appears on the leaderboard automatically, showing a profile picture, name, locationand more.
CRYPTO-SPATIAL COORDINATE STANDARD AND THE OPEN GEOSPATIAL The Open Geospatial Consortium (OGC) is responsible for all geospatial standards throughout the world. OGC reached out to FOAM to present the future of a geospatial blockchain standards at their most recent Technical Meeting.We have been working on the first interoperable standard for geospatial on the blockchain — the Crypto-spatialCoordinate (CSC).
THE DIFFERENCE BETWEEN STATIC AND DYNAMIC PROOF OF Just as GPS can determine location through the difference in time and distance of radio signals, time difference of arrival, with a high-precision clock signal, the FOAM network can use the relative geometry between beacons to compute a node’s distance, thereby enabling a secure, spatially distributed location system. CRYPTO-SPATIAL COORDINATES In this post, we introduce a new fundamental part of our work: the Crypto-Spatial Coordinate (CSC), which is an open and interoperable standard for location in Ethereum smart contracts. Blockchains are eventually going to change the world we interact in — from the internet of things, supply chains, real estate and land registries toaugmented
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM 2020 SUMMER UPDATES. THE FOAMSPACE TEAM HAS BEEN … Aug 25, 2020 · 6 min read. Diagram of a Zone and Location Customer requesting a Presence Claim. The Foamspace team has been very busy this summer and we are excited to share some of our updates. Our previous blog post described the radio hardware, custom firmware, general architecture of a FPGA powered software defined radio (SDR).VIDEO: FOAM
FOAM is building a decentralized Proof of Location protocol that offers a higher level of security and network strength than conventional location based services. To become a location service provider, a radio beacon stakes a safety deposit of FOAM tokens to participate in the network as a Zone Anchor. It searches for three other beacons nearby. THE SPATIAL INDEX. A GENERAL PURPOSE VISUAL BLOCKCHAIN The spatial index is an explorer for geospatial assets on the blockchain. The full architecture of the application consists of: 1. Frontend app a visual explorer written in purescript, backed by our purescript-web3 library 2. Interactive deck.gl and D3 visualization components for visualizing network activity utilizing the FOAMprotocol.
HOW TO PARTICIPATE IN BLOCKCITIES X FOAM MAP SCAVENGER Introducing the BlockCities x FOAM Scavenger Hunt. The BlockCities x FOAM Scavenger Hunt is an interactive, virtual scavenger hunt that takes place on the FOAM Map 🗺️.. The first person to identify the mystery building and place a corresponding point of ANALYZING THE MAP: THE ISLAND WITH MANY NAMES “Dynamically change disputed national borders” by Mapbox. As our friends at Mapbox recently illustrated, there are ways that maps can converge on neutrality, but in the end there is no avoiding the fact that maps are inherently subjective things.Even just looking at a ‘upright’ 2D map — a ‘mercator’ projection of a 3d oblate spheroid — is a subjective task. INTRODUCING THE FOAM MAP LEADERBOARD AND 3BOX SOCIAL The FOAM Map Leaderboard has integrated 3Box profiles for Cartographer addresses. The integration with 3Box allows Cartographers to create and manage an optional social profile, which appears on the leaderboard automatically, showing a profile picture, name, locationand more.
CRYPTO-SPATIAL COORDINATE STANDARD AND THE OPEN GEOSPATIAL The Open Geospatial Consortium (OGC) is responsible for all geospatial standards throughout the world. OGC reached out to FOAM to present the future of a geospatial blockchain standards at their most recent Technical Meeting.We have been working on the first interoperable standard for geospatial on the blockchain — the Crypto-spatialCoordinate (CSC).
THE DIFFERENCE BETWEEN STATIC AND DYNAMIC PROOF OF Just as GPS can determine location through the difference in time and distance of radio signals, time difference of arrival, with a high-precision clock signal, the FOAM network can use the relative geometry between beacons to compute a node’s distance, thereby enabling a secure, spatially distributed location system. CRYPTO-SPATIAL COORDINATES In this post, we introduce a new fundamental part of our work: the Crypto-Spatial Coordinate (CSC), which is an open and interoperable standard for location in Ethereum smart contracts. Blockchains are eventually going to change the world we interact in — from the internet of things, supply chains, real estate and land registries toaugmented
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM 2020 SUMMER UPDATES. THE FOAMSPACE TEAM HAS BEEN … Aug 25, 2020 · 6 min read. Diagram of a Zone and Location Customer requesting a Presence Claim. The Foamspace team has been very busy this summer and we are excited to share some of our updates. Our previous blog post described the radio hardware, custom firmware, general architecture of a FPGA powered software defined radio (SDR).VIDEO: FOAM
FOAM is building a decentralized Proof of Location protocol that offers a higher level of security and network strength than conventional location based services. To become a location service provider, a radio beacon stakes a safety deposit of FOAM tokens to participate in the network as a Zone Anchor. It searches for three other beacons nearby. THE SPATIAL INDEX. A GENERAL PURPOSE VISUAL BLOCKCHAIN The spatial index is an explorer for geospatial assets on the blockchain. The full architecture of the application consists of: 1. Frontend app a visual explorer written in purescript, backed by our purescript-web3 library 2. Interactive deck.gl and D3 visualization components for visualizing network activity utilizing the FOAMprotocol.
HOW TO PARTICIPATE IN BLOCKCITIES X FOAM MAP SCAVENGER Introducing the BlockCities x FOAM Scavenger Hunt. The BlockCities x FOAM Scavenger Hunt is an interactive, virtual scavenger hunt that takes place on the FOAM Map 🗺️.. The first person to identify the mystery building and place a corresponding point of ANALYZING THE MAP: THE ISLAND WITH MANY NAMES “Dynamically change disputed national borders” by Mapbox. As our friends at Mapbox recently illustrated, there are ways that maps can converge on neutrality, but in the end there is no avoiding the fact that maps are inherently subjective things.Even just looking at a ‘upright’ 2D map — a ‘mercator’ projection of a 3d oblate spheroid — is a subjective task. INTRODUCING THE FOAM MAP LEADERBOARD AND 3BOX SOCIAL The FOAM Map Leaderboard has integrated 3Box profiles for Cartographer addresses. The integration with 3Box allows Cartographers to create and manage an optional social profile, which appears on the leaderboard automatically, showing a profile picture, name, locationand more.
CRYPTO-SPATIAL COORDINATE STANDARD AND THE OPEN GEOSPATIAL The Open Geospatial Consortium (OGC) is responsible for all geospatial standards throughout the world. OGC reached out to FOAM to present the future of a geospatial blockchain standards at their most recent Technical Meeting.We have been working on the first interoperable standard for geospatial on the blockchain — the Crypto-spatialCoordinate (CSC).
CRYPTO-SPATIAL COORDINATES In this post, we introduce a new fundamental part of our work: the Crypto-Spatial Coordinate (CSC), which is an open and interoperable standard for location in Ethereum smart contracts. Blockchains are eventually going to change the world we interact in — from the internet of things, supply chains, real estate and land registries toaugmented
THE DIFFERENCE BETWEEN STATIC AND DYNAMIC PROOF OF Proof of Location is the primary utility arising from use of the Crypto-Spatial Coordinate and Spatial Index Visualizer elements discussed in our previous blog posts. Proof of Location will inherently be an iterative process which involves the use of token curated registries by users to contribute, verify and determine Proofsof Location.
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
FOAM DEVELOPER STACK. AN OVERVIEW OF THE HIGH QUALITY At FOAM we strive to release high quality, fully general purpose open-source libraries for the general Ethereum community to use. They grow out of our efforts of building the functional stack to support the smart contracts and functionality of the Spatial Index. So FOAM has spent the last year and a half developing a unique suite ofdeveloper
HOW DO I SET THE GAS LIMIT AND GAS PRICE IN METAMASK Confirming an action in the FOAM Map brings up the MetaMask window ‘Confirm Transaction’. Find ‘Gas Fee’. Click ‘Edit’ next to ‘Gas Fee’ to set a custom Gas Price and Gas Limit. Next, you need to find the average Gas Price at that time on the Ethereum network. In another tab, visit ETH Gas Station. FOAM SIGNALING HAS LAUNCHED. A STEP-BY STEP GUIDE FOR Currently, the minimum stake for a signal is set to 1 FOAM but there is no limit. The more you stake to the signal, the greater the eventual rewards offered to the miner. If you don’t have enough Approved Signaling Tokens to create a new stake, go to My Assets and the Signaling tab to approve more. Click ‘Create Signal’ whenyou’ve
FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FORAUTHOR: RYAN JOHNKING
FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPERAUTHOR: ILYAOSTROVSKIY
We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
FOAM WHITEPAPER
FOAM is an open protocol for decentralized, geospatial data markets. The protocol is designed to empower users to build a consensus-driven map of the world that can FOAM 2020 SUMMER UPDATES. THE FOAMSPACE TEAM HAS BEEN … Aug 25, 2020 · 6 min read. Diagram of a Zone and Location Customer requesting a Presence Claim. The Foamspace team has been very busy this summer and we are excited to share some of our updates. Our previous blog post described the radio hardware, custom firmware, general architecture of a FPGA powered software defined radio (SDR).VIDEO: FOAM
FOAM is building a decentralized Proof of Location protocol that offers a higher level of security and network strength than conventional location based services. To become a location service provider, a radio beacon stakes a safety deposit of FOAM tokens to participate in the network as a Zone Anchor. It searches for three other beacons nearby. THE SPATIAL INDEX. A GENERAL PURPOSE VISUAL BLOCKCHAIN The spatial index is an explorer for geospatial assets on the blockchain. The full architecture of the application consists of: 1. Frontend app a visual explorer written in purescript, backed by our purescript-web3 library 2. Interactive deck.gl and D3 visualization components for visualizing network activity utilizing the FOAMprotocol.
HOW TO PARTICIPATE IN BLOCKCITIES X FOAM MAP SCAVENGER Introducing the BlockCities x FOAM Scavenger Hunt. The BlockCities x FOAM Scavenger Hunt is an interactive, virtual scavenger hunt that takes place on the FOAM Map 🗺️.. The first person to identify the mystery building and place a corresponding point of ANALYZING THE MAP: THE ISLAND WITH MANY NAMES “Dynamically change disputed national borders” by Mapbox. As our friends at Mapbox recently illustrated, there are ways that maps can converge on neutrality, but in the end there is no avoiding the fact that maps are inherently subjective things.Even just looking at a ‘upright’ 2D map — a ‘mercator’ projection of a 3d oblate spheroid — is a subjective task. INTRODUCING THE FOAM MAP LEADERBOARD AND 3BOX SOCIAL The FOAM Map Leaderboard has integrated 3Box profiles for Cartographer addresses. The integration with 3Box allows Cartographers to create and manage an optional social profile, which appears on the leaderboard automatically, showing a profile picture, name, locationand more.
CRYPTO-SPATIAL COORDINATE STANDARD AND THE OPEN GEOSPATIAL The Open Geospatial Consortium (OGC) is responsible for all geospatial standards throughout the world. OGC reached out to FOAM to present the future of a geospatial blockchain standards at their most recent Technical Meeting.We have been working on the first interoperable standard for geospatial on the blockchain — the Crypto-spatialCoordinate (CSC).
THE DIFFERENCE BETWEEN STATIC AND DYNAMIC PROOF OF Just as GPS can determine location through the difference in time and distance of radio signals, time difference of arrival, with a high-precision clock signal, the FOAM network can use the relative geometry between beacons to compute a node’s distance, thereby enabling a secure, spatially distributed location system. CRYPTO-SPATIAL COORDINATES In this post, we introduce a new fundamental part of our work: the Crypto-Spatial Coordinate (CSC), which is an open and interoperable standard for location in Ethereum smart contracts. Blockchains are eventually going to change the world we interact in — from the internet of things, supply chains, real estate and land registries toaugmented
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
Our Company. Our team is made up of developers, designers, and geospatial experts. We are based out of the New Lab at the Brooklyn Navy Yard, an interdisciplinary workspace designed to support urban entrepreneurs leveraging advanced technologies. We are currentlyhiring.
FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
WHAT DO I NEED TO GET STARTED? A computer with the Chrome, Firefox or Brave desktop browser installed. The MetaMask digital wallet. MetaMask is a free browser extension that allows you to access digital currencies and tokens like Ether and FOAM.. This is like a bank account so make sure to keep yourdetails safe.
FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
HOW DO I ADD LOCATIONS TO FOAM MAP? Go to the map view and make sure you’re signed into your MetaMask wallet. Click anywhere on the map to bring up the ‘Register Point of Interest’ card. Enter the details required: name, street address, description, and the relevant tags that describe the POI. Stake Approved Registry Tokens to MEDIUM - FOAMATOMIC CLOCK SYNCHRONIZATIONGPS CLOCK SYNCHRONIZATIONOPERATING SYSTEM SYNCHRONIZATIONSYNCHRONIZATION OF CLOCKSWINDOWS 10 CLOCK SYNCHRONIZATIONWINDOWS CLOCK SYNCHRONIZATION The fundamental tenet of the FOAM Proof of Location protocol is time synchronization. Fixed radio beacons called Zone Anchors can discover each other in a permissionless and decentralized fashion. Together the anchors synchronize their clocks and establish a Zone, and in doing so maintain a quorum over space and time. INTRODUCTION TO PROOF OF LOCATION The open standard for location on the Ethereum Blockchain. Our approach inverts the current market for geospatial data, which relies on bulk collection of information for targeting and resale, by creating a new location markets that offer a significantly improved security model. Proof of Location allows users and autonomous agentsto privately
CRYPTO-SPATIAL COORDINATES In this post, we introduce a new fundamental part of our work: the Crypto-Spatial Coordinate (CSC), which is an open and interoperable standard for location in Ethereum smart contracts. Blockchains are eventually going to change the world we interact in — from the internet of things, supply chains, real estate and land registries toaugmented
FOAM
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point of failure.FOAM
Our Company. Our team is made up of developers, designers, and geospatial experts. We are based out of the New Lab at the Brooklyn Navy Yard, an interdisciplinary workspace designed to support urban entrepreneurs leveraging advanced technologies. We are currentlyhiring.
FOAM
To become a location service provider you need to host radio hardware (LPWAN) and stake a safety deposit of FOAM tokens. A safety deposit of FOAM tokens ensures that everyone follows the rules of offering location services. You will receive FOAM tokens and fees for verifying the locations of customers and for providing work for the network.FOAM
FOAM Map: Overview of the TCR Design and Incentives. The FOAM token is a utility and work token used to verify Proof of Location. There are two kinds of Proof of Location, static and dynamic. Ryan John King.Sep 20, 2018.
WHAT DO I NEED TO GET STARTED? A computer with the Chrome, Firefox or Brave desktop browser installed. The MetaMask digital wallet. MetaMask is a free browser extension that allows you to access digital currencies and tokens like Ether and FOAM.. This is like a bank account so make sure to keep yourdetails safe.
FOAM LITE. ON-THE-GROUND ETHEREUM TRANSACTION… FOAM Lite is a general purpose Ethereum radio relay node that anyone can build today to accelerate use cases in IoT. The hardware is accessible with low cost off the shelf components and the framework is flexible to use any configuration of tokens and smart contract applications. This is critical infrastructure for all of Ethereum andsmart
HOW DO I ADD LOCATIONS TO FOAM MAP? Go to the map view and make sure you’re signed into your MetaMask wallet. Click anywhere on the map to bring up the ‘Register Point of Interest’ card. Enter the details required: name, street address, description, and the relevant tags that describe the POI. Stake Approved Registry Tokens to MEDIUM - FOAMATOMIC CLOCK SYNCHRONIZATIONGPS CLOCK SYNCHRONIZATIONOPERATING SYSTEM SYNCHRONIZATIONSYNCHRONIZATION OF CLOCKSWINDOWS 10 CLOCK SYNCHRONIZATIONWINDOWS CLOCK SYNCHRONIZATION The fundamental tenet of the FOAM Proof of Location protocol is time synchronization. Fixed radio beacons called Zone Anchors can discover each other in a permissionless and decentralized fashion. Together the anchors synchronize their clocks and establish a Zone, and in doing so maintain a quorum over space and time. INTRODUCTION TO PROOF OF LOCATION The open standard for location on the Ethereum Blockchain. Our approach inverts the current market for geospatial data, which relies on bulk collection of information for targeting and resale, by creating a new location markets that offer a significantly improved security model. Proof of Location allows users and autonomous agentsto privately
CRYPTO-SPATIAL COORDINATES In this post, we introduce a new fundamental part of our work: the Crypto-Spatial Coordinate (CSC), which is an open and interoperable standard for location in Ethereum smart contracts. Blockchains are eventually going to change the world we interact in — from the internet of things, supply chains, real estate and land registries toaugmented
FOAM LOCATION UPDATE AND DEMO DOCUMENTATION We consider this a major milestone for FOAM. For demo purposes we had decided on a couple of technologies for prototyping the architecture of Proof-of-location: 1. ( Rootchain) We deploy the Plasma contracts to Ethereum. These follow the PlasmaMVP implementation which is a design for an extremely simple UTXO-based Plasma chain.ABOUT FOAM
Read more about FOAM. FOAM is committed to building spatial protocols, standards, and applications that bring geospatial data to blockchains and empower a consensus driven map of the world. HOW DO I GET FOAM TOKENS? Uniswap. Uniswap is a decentralized token exchange that allows you to exchange ETH - the currency of the Ethereum network - and other ERC20 tokens for FOAM tokens.. From your desktop browser, visit the FOAM Map. Make sure you’re logged into your Metamask wallet and it is connected to Main Ethereum Network. You need to have a positive balance of ETH or the ERC20 token you want to exchange. FOAM MAP HELP CENTER Adding and Challenging POIs. 8 articles in this collection. Written byKatya Zavyalova.
HOW DO I ADD LOCATIONS TO FOAM MAP? Go to the map view and make sure you’re signed into your MetaMask wallet. Click anywhere on the map to bring up the ‘Register Point of Interest’ card. Enter the details required: name, street address, description, and the relevant tags that describe the POI. Stake Approved Registry Tokens to FOAM TOOLS — CARTOGRAPHER GUIDE. A NEW PLATFORM FOR FOAM Tools — Cartographer Guide. FOAM Tools is a one-stop shop for cartographers using the FOAM Map. Acting as the newsfeed of the FOAM Map and a dashboard of activity, FOAM Tools provides both substitute and complementary functions to the original FOAM Map interface in terms of the ways that it displays information. EXPLORING ETHEREUM STORAGE COSTS WITH THE FOAM DEVELOPER We know that every operation in the EVM has a gas cost to it, and one of the most expensive of these is the SSTORE opcode, which sets a value in a contract’s storage trie. It costs a whopping 20,000 gas when it’s used to set the value of a storage slot to a non-zero value! Since each storage slot is one EVM word 256-bits (32 bytes), wecan
THE SPATIAL INDEX. A GENERAL PURPOSE VISUAL BLOCKCHAIN The spatial index is an explorer for geospatial assets on the blockchain. The full architecture of the application consists of: 1. Frontend app a visual explorer written in purescript, backed by our purescript-web3 library 2. Interactive deck.gl and D3 visualization components for visualizing network activity utilizing the FOAMprotocol.
INTRODUCTION TO PROOF OF LOCATION At FOAM, we believe people should own their personal information, controlling when and with whom they choose to share their location. Our team is committed to solving this, building spatial protocols, standards, and applications that offer a higher level of security and more resiliency than conventional geospatial technologies.MEDIUM - FOAM
The fundamental tenet of the FOAM Proof of Location protocol is time synchronization. Fixed radio beacons called Zone Anchors can discover each other in a permissionless and decentralized fashion. Together the anchors synchronize their clocks and establish a Zone, and in doing so maintain a quorum over space and time.FOAM Map
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The stock market, supply chains, the airline industry, the electrical grid, communication networks and more rely on GPS. But GPS is vulnerable to hacking and spoofing, leaving our critical infrastructure unprotected. Secure location verification is urgently needed across an array of industries. FOAM solves the problem of location verification with an alternative, fault-tolerant system provided through an open network of terrestrial radios that anyone can operate.OPEN SOURCE.
FOAM invites individuals, businesses, and organizations to join together in a community-owned and operated location network. FOAM Map and FOAM Location provide more resilient alternatives to centralized maps and location services but without a single point offailure.
By putting a verification layer at the core, others can build on top of FOAM data and know that it can be trusted. BUILT ON BLOCKCHAIN. FOAM is built on the Ethereum blockchain, a decentralized database that is secure without a third party or gatekeeper. Blockchains mean that FOAM is transparent and censorship-resistant, and can provide secure location data for other applications. The FOAM token gives participants control over their location network and requires them to make decisions that impact its future. ------------------------- A FIELD OF APPLICATIONS. Verified location data benefits a widerange of use-cases.
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INTERNET OF THINGS
Secure location verification and localization for networks of IoTdevices.
GEOSPATIAL DATA
Data provenance and attribution to support the development of decentralized data-markets.SUPPLY CHAIN
Verifiable and precise product tracking from supplier to customer, with all the steps in-between.MOBILITY
Location tracking and fraud prevention to support the growth of mobility services and autonomous vehicles.INSURANCE
Automated conflict resolution and contract enforcement through the trusted reporting of spatial information. LOCATION INTELLIGENCE Spatial attribution added to the toolkit of blockchain-enabledanalytics.
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