{"id":"satusd","title":"satUSD","content":"**satUSD** is a decentralized, over-collateralized, multi-chain [stablecoin](https://iq.wiki/wiki/stablecoin) pegged to the US dollar. It is the core product of the [River](https://iq.wiki/wiki/river) protocol, a system designed for chain abstraction that enables users to deposit [collateral](https://iq.wiki/wiki/collateral) on one [blockchain](https://iq.wiki/wiki/blockchain) and mint satUSD on another without traditional asset bridging.\n\n## Overview\n\nsatUSD was developed by the [River](https://iq.wiki/wiki/river) protocol, which was formerly known as Satoshi Protocol. The [stablecoin](https://iq.wiki/wiki/stablecoin)'s primary objective is to address liquidity fragmentation across the rapidly expanding ecosystem of [Layer-1](https://iq.wiki/wiki/layer-1) and [Layer-2](https://iq.wiki/wiki/layer-2) [blockchains](https://iq.wiki/wiki/blockchain). By implementing a \"chain-abstraction\" model, the protocol aims to create a unified and seamless flow of capital, allowing users to access liquidity and yield opportunities across different networks without moving their underlying collateral assets. This is achieved through a mechanism called an Omni-chain Collateralized Debt Position (Omni-CDP), which separates the location of the collateral from the location where the stablecoin is minted. [\\[1\\]](#cite-id-OX7jmVQYHA) [\\[2\\]](#cite-id-JLdL2MerSh)\n\nThe technical foundation for satUSD's cross-chain functionality is LayerZero's Omnichain Fungible Token (OFT) standard. This technology allows satUSD to exist as a native asset on multiple blockchains, eliminating the security risks and complexities associated with wrapped tokens and third-party bridges. The protocol supports a variety of crypto assets as [collateral](https://iq.wiki/wiki/collateral), including [Bitcoin](https://iq.wiki/wiki/bitcoin), [Ethereum](https://iq.wiki/wiki/ethereum), [BNB](https://iq.wiki/wiki/binance-coin), and various [liquid staking](https://iq.wiki/wiki/liquid-staking) tokens (LSTs). [\\[3\\]](#cite-id-YvNBLImyHw) [\\[4\\]](#cite-id-ZhFb4dHdub)\n\nThe project gained significant traction shortly after its launch period in mid-2025, reporting a [Total Value Locked](https://iq.wiki/wiki/tvl) (TVL) of over $400 million and more than $100 million in circulating satUSD by August 2025. The rebranding from Satoshi Protocol to [River](https://iq.wiki/wiki/river) occurred in September 2025, a move that was publicly clarified when the project announced it was refunding an ecosystem support investment it had received from the BEVM foundation under its former name. [\\[5\\]](#cite-id-KvnZFpwgKb) [\\[6\\]](#cite-id-jbyGVB3o65)\n\n## History\n\nThe project initially operated under the name Satoshi Protocol, with its [stablecoin](https://iq.wiki/wiki/stablecoin) known as Satoshi Stablecoin. The launch period is estimated to be around June and July of 2025, with a press release in August 2025 noting significant growth over the preceding two months. A more specific launch on the [BNB Chain](https://iq.wiki/wiki/binance-smart-chain) was reported around July 17, 2025. [\\[1\\]](#cite-id-OX7jmVQYHA) [\\[5\\]](#cite-id-KvnZFpwgKb)\n\nThroughout the latter half of 2025, the protocol, under its new name [River](https://iq.wiki/wiki/river), announced a series of key developments and integrations. These included the official launch of its Omni-CDP module in partnership with [LayerZero](https://iq.wiki/wiki/layerzero) in August, an integration with Chainlink's Data Standard for [oracle](https://iq.wiki/wiki/oracle) services in early September, and its deployment on the [Ethereum](https://iq.wiki/wiki/ethereum) [mainnet](https://iq.wiki/wiki/mainnet) on September 5, 2025. The project also introduced its primary yield-generating products, the Smart Vault and the institutional-focused Prime Vault, in September 2025. [\\[6\\]](#cite-id-jbyGVB3o65)\n\n## Technology\n\n### Chain Abstraction and Omni-CDP\n\nThe core innovation of the [River](https://iq.wiki/wiki/river) protocol is its \"chain-abstraction\" model, which is powered by a mechanism called the Omni-chain Collateralized Debt Position (Omni-CDP). This system allows a user to deposit [collateral](https://iq.wiki/wiki/collateral) assets into a vault on a \"source chain\" (e.g., [Ethereum](https://iq.wiki/wiki/ethereum)) and mint new satUSD tokens natively on a different \"destination chain\" (e.g., [Base](https://iq.wiki/wiki/base)). This process is designed to abstract away the complexities of cross-chain interactions, creating what the project describes as a \"global on-chain account\" where capital can be provisioned once and deployed across any supported ecosystem. The Omni-CDP system eliminates the need for users to manually bridge or wrap assets, which reduces transaction costs and mitigates the security risks associated with third-party bridges. [\\[3\\]](#cite-id-YvNBLImyHw) [\\[1\\]](#cite-id-OX7jmVQYHA)\n\n### Interoperability and Oracles\n\nsatUSD's native multi-chain capability is enabled by its integration with the [LayerZero](https://iq.wiki/wiki/layerzero) interoperability protocol. The [stablecoin](https://iq.wiki/wiki/stablecoin) is built as an Omnichain Fungible Token (OFT), a standard that allows for the seamless transfer of the token across different blockchains without creating fragmented, wrapped versions. This ensures that satUSD maintains a single, unified supply and identity across all integrated networks. [\\[4\\]](#cite-id-ZhFb4dHdub)\n\nTo ensure the security and solvency of the system, the protocol relies on external [oracle](https://iq.wiki/wiki/oracle) networks to provide accurate and timely price data for the [collateral](https://iq.wiki/wiki/collateral) assets. The [River](https://iq.wiki/wiki/river) protocol has integrated the [Chainlink](https://iq.wiki/wiki/chainlink) Data Standard to secure its asset pricing across all supported chains. The project's documentation also makes reference to the use of the [DIA](https://iq.wiki/wiki/dia) Oracle, suggesting a multi-oracle approach to enhance reliability and prevent single points of failure. [\\[6\\]](#cite-id-jbyGVB3o65) [\\[3\\]](#cite-id-YvNBLImyHw)\n\n### Supported Networks\n\nThe satUSD [stablecoin](https://iq.wiki/wiki/stablecoin) and the [River](https://iq.wiki/wiki/river) protocol are deployed on a wide range of [blockchain](https://iq.wiki/wiki/blockchain) networks to facilitate its cross-chain vision. As of late 2025, the supported chains include:\n\n* [Ethereum](https://iq.wiki/wiki/ethereum)\n* [BNB Chain](https://iq.wiki/wiki/binance-smart-chain)\n* [Base](https://iq.wiki/wiki/base)\n* [Arbitrum](https://iq.wiki/wiki/arbitrum)\n* [Sonic](https://iq.wiki/wiki/sonic)\n* BOB (Build on [Bitcoin](https://iq.wiki/wiki/bitcoin))\n* BSquared\n* [Hemi](https://iq.wiki/wiki/hemi)\n* BEVM\n* Bitlayer\n\nThis multi-chain presence is a core component of the protocol's [strategy](https://iq.wiki/wiki/strategy) to connect liquidity [across](https://iq.wiki/wiki/across) both [Ethereum Virtual Machine](https://iq.wiki/wiki/ethereum-virtual-machine-evm) (EVM) compatible chains and emerging [Bitcoin](https://iq.wiki/wiki/bitcoin) Layer-2 ecosystems. [\\[9\\]](#cite-id-CTD0Y4NCaW) [\\[3\\]](#cite-id-YvNBLImyHw)\n\n## Peg Stability Mechanism\n\nsatUSD is designed to maintain a stable value pegged to the US dollar through a combination of economic incentives and automated risk management protocols.\n\n* **Over-collateralization:** Every satUSD in circulation is backed by a surplus value of crypto assets locked in the protocol's vaults. Users are required to maintain a minimum [collateralization ratio](https://iq.wiki/wiki/collateralization-ratio) of 110%, meaning the value of their deposited [collateral](https://iq.wiki/wiki/collateral) must be at least 110% of the value of the satUSD they have minted. This buffer helps absorb price volatility in the collateral assets. [\\[4\\]](#cite-id-ZhFb4dHdub)\n* **Liquidations:** The protocol continuously monitors the [collateralization ratio](https://iq.wiki/wiki/collateralization-ratio) of all positions. If a position's ratio falls below the minimum requirement due to a drop in the collateral's value, it becomes eligible for [liquidation](https://iq.wiki/wiki/liquidation). During liquidation, the [collateral](https://iq.wiki/wiki/collateral) is sold off to repay the satUSD debt, thereby removing the under-collateralized position and ensuring the overall solvency of the system. [\\[2\\]](#cite-id-JLdL2MerSh)\n* **Stability Pools:** The protocol utilizes Stability Pools, which are reserves of capital funded by users who deposit satUSD. These pools act as a primary source of liquidity to repay debt from liquidated positions, providing a more efficient and stable [liquidation](https://iq.wiki/wiki/liquidation) process compared to relying solely on external markets. [\\[4\\]](#cite-id-ZhFb4dHdub)\n* **Redemption and Arbitrage:** The protocol allows users to redeem satUSD at any time for $1 worth of the underlying [collateral](https://iq.wiki/wiki/collateral). This creates a powerful [arbitrage](https://iq.wiki/wiki/arbitrage) mechanism that defends the peg. If the market price of satUSD falls below $1, arbitrageurs can buy it at a discount on the open market and redeem it through the protocol for $1 of collateral, profiting from the difference and creating buying pressure that pushes the price back toward its peg. Conversely, if the price rises above $1, users are incentivized to mint new satUSD and sell it on the market, increasing supply and pushing the price down. [\\[2\\]](#cite-id-JLdL2MerSh)\n\n## Ecosystem and Products\n\nThe [River](https://iq.wiki/wiki/river) protocol has developed a suite of products centered around the satUSD [stablecoin](https://iq.wiki/wiki/stablecoin) to provide utility, yield, and engagement for its users.\n\n### Core Financial Products\n\n* **satUSD+:** A yield-bearing, liquid token that users receive when they stake their satUSD. It automatically compounds rewards generated from protocol revenue streams, such as [liquidation](https://iq.wiki/wiki/liquidation) fees and redemption fees. satUSD+ is designed to be composable, allowing it to be used in other DeFi protocols for more advanced yield strategies while still accruing yield from the [River](https://iq.wiki/wiki/river) protocol. [\\[3\\]](#cite-id-YvNBLImyHw)\n* **Smart Vault:** A yield-generation product designed for general users. It allows for one-click deposits and aims to provide sustainable yield from a mix of [DeFi](https://iq.wiki/wiki/defi) and [CeDeFi](https://iq.wiki/wiki/cedefi-centralized-decentralized-finance) strategies. The product is marketed as having zero [liquidation](https://iq.wiki/wiki/liquidation) risk for depositors. [\\[6\\]](#cite-id-jbyGVB3o65)\n* **Prime Vault:** An institutional-grade version of the Smart Vault, offering stable returns with enhanced security measures. Assets in the Prime Vault are secured by institutional custodians, including Ceffu and Cobo, to meet the requirements of larger capital allocators. [\\[2\\]](#cite-id-JLdL2MerSh)\n\n### Community and Governance\n\n* **RIVER Token:** The native utility and [governance token](https://iq.wiki/wiki/governance-tokens) of the [River](https://iq.wiki/wiki/river) protocol. Holders of the RIVER token can participate in governance votes on protocol parameters and future developments. The token also provides utility within the ecosystem, such as boosting the yield earned from satUSD+ and providing discounts on fees for minting or redeeming satUSD. [\\[4\\]](#cite-id-ZhFb4dHdub)\n* **River4FUN:** A gamified rewards platform designed to incentivize community engagement and protocol usage. It employs an AI agent to distribute rewards in the form of \"[River](https://iq.wiki/wiki/river) Pts\" based on a user's on-chain activities (such as minting satUSD or providing liquidity) and social engagement. These points are designed to be convertible into RIVER tokens during [airdrop](https://iq.wiki/wiki/airdrop) events. [\\[2\\]](#cite-id-JLdL2MerSh)\n\n## Tokenomics\n\n### satUSD Stablecoin\n\n* **Collateral:** satUSD is a crypto-backed [stablecoin](https://iq.wiki/wiki/stablecoin). The protocol accepts a basket of digital assets as [collateral](https://iq.wiki/wiki/collateral), including [Bitcoin](https://iq.wiki/wiki/bitcoin) (BTC), [Ethereum](https://iq.wiki/wiki/ethereum) (ETH), [BNB](https://iq.wiki/wiki/binance-coin), and various Liquid Staking Tokens (LSTs). [\\[3\\]](#cite-id-YvNBLImyHw)\n* **Supply:** The supply of satUSD is dynamic and uncapped, expanding and contracting based on user demand for minting against deposited [collateral](https://iq.wiki/wiki/collateral). As of October 2025, the circulating supply was approximately 308 million satUSD, with a corresponding [market capitalization](https://iq.wiki/wiki/market-capitalization) of around $308 million. [\\[9\\]](#cite-id-CTD0Y4NCaW) [\\[7\\]](#cite-id-PLGfO5fwHw)\n* **Fees:** The protocol offers zero-interest minting, meaning users do not pay a stability fee or interest rate on the satUSD they generate. Revenue is instead generated through other mechanisms, such as fees on redemptions and proceeds from liquidations. [\\[5\\]](#cite-id-KvnZFpwgKb)\n\n## Partnerships and Integrations\n\nThe [River](https://iq.wiki/wiki/river) protocol has established a network of partnerships across infrastructure, [DeFi](https://iq.wiki/wiki/defi), and institutional sectors to support the growth and adoption of satUSD. Key infrastructure partners include [LayerZero](https://iq.wiki/wiki/layerzero), which provides the underlying technology for its cross-chain functionality, and [Chainlink](https://iq.wiki/wiki/chainlink), which supplies [oracle](https://iq.wiki/wiki/oracle) services for asset pricing. The protocol has also integrated with over 30 DeFi applications, including prominent platforms like Pendle for yield trading, [ListaDAO](https://iq.wiki/wiki/listadao) for lending, and [decentralized exchanges](https://iq.wiki/wiki/decentralized-exchange) such as [Uniswap](https://iq.wiki/wiki/uniswap) and [PancakeSwap](https://iq.wiki/wiki/pancakeswap) for liquidity. For its institutional-grade products, [River](https://iq.wiki/wiki/river) collaborates with custodians Ceffu and Cobo and has worked with firms like Mev Capital. [\\[2\\]](#cite-id-JLdL2MerSh) [\\[1\\]](#cite-id-OX7jmVQYHA)","summary":"satUSD is an over-collateralized, multi-chain stablecoin by River (formerly Satoshi Protocol). It enables users to deposit collateral on one chain and mint satUSD on another via its Omni-CDP system, built on LayerZero's OFT standard.","images":[{"id":"QmUjs78J9hJUAKdckF3XLmSNg4rkMwVpiSwUypcXEJYqfU","type":"image/jpeg, image/png"}],"categories":[{"id":"cryptocurrencies","title":"cryptocurrencies"}],"tags":[{"id":"Stablecoins"},{"id":"Developers"},{"id":"Protocols"},{"id":"Ethereum"},{"id":"BinanceSmartChain"}],"media":[{"id":"QmYLtEdP1FWxPph21d4PyecfMf2m84qaMZ8sN2vk4CaB1Y","name":"G2eKRLmXAAApr3y.jpeg","caption":"","thumbnail":"QmYLtEdP1FWxPph21d4PyecfMf2m84qaMZ8sN2vk4CaB1Y","source":"IPFS_IMG"},{"id":"Qmctajch1fkxVoVGwKSb2DowfdsJd5JFoCpRyfnWkCsh73","name":"Cópia de Design sem nome.png","caption":"","thumbnail":"Qmctajch1fkxVoVGwKSb2DowfdsJd5JFoCpRyfnWkCsh73","source":"IPFS_IMG"}],"metadata":[{"id":"references","value":"[\n  {\n    \"id\": \"OX7jmVQYHA\",\n    \"url\": \"https://www.theblock.co/press-releases/366900/river-launches-chain-abstraction-stablecoin-system-connecting-liquidity-across-ecosystems\",\n    \"description\": \"Press release describing the chain-abstraction system\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"JLdL2MerSh\",\n    \"url\": \"https://river.inc/\",\n    \"description\": \"Official project website\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"YvNBLImyHw\",\n    \"url\": \"https://docs.river.inc/\",\n    \"description\": \"Official documentation\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"ZhFb4dHdub\",\n    \"url\": \"https://medium.com/@XT\\\\_com/river-token-explained-satusd-stablecoin-yield-and-rewards-c0a0632b7fbe\",\n    \"description\": \"Explanation of the protocol's technology\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"KvnZFpwgKb\",\n    \"url\": \"https://www.ainvest.com/news/river-launches-satusd-stablecoin-system-locks-400m-24-hours-2507/\",\n    \"description\": \"News report on launch TVL\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"jbyGVB3o65\",\n    \"url\": \"https://blog.river.inc/\",\n    \"description\": \"Official blog post on rebranding and BEVM refund\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"PLGfO5fwHw\",\n    \"url\": \"https://www.coingecko.com/en/coins/satoshi-stablecoin\",\n    \"description\": \"Market data and price history\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"e93kUrW5c3\",\n    \"url\": \"https://beincrypto.com/price/satoshi-stablecoin/\",\n    \"description\": \"Historical price data\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"CTD0Y4NCaW\",\n    \"url\": \"https://defillama.com/stablecoin/river-stablecoin\",\n    \"description\": \"Chain distribution data from DefiLlama\",\n    \"timestamp\": 1760589618645\n  },\n  {\n    \"id\": \"event-all-time-high-price-reached-link\",\n    \"description\": \"Event link\",\n    \"url\": \"https://www.coingecko.com/en/coins/satoshi-stablecoin\",\n    \"timestamp\": 1760589619266\n  },\n  {\n    \"id\": \"event-satusd-system-launch-on-bnb-chain-link\",\n    \"description\": \"Event link\",\n    \"url\": \"https://www.ainvest.com/news/river-launches-satusd-stablecoin-system-locks-400m-24-hours-2507/\",\n    \"timestamp\": 1760589619266\n  },\n  {\n    \"id\": \"event-omni-cdp-launch-link\",\n    \"description\": \"Event link\",\n    \"url\": \"https://blog.river.inc/\",\n    \"timestamp\": 1760589619266\n  },\n  {\n    \"id\": \"event-ethereum-mainnet-launch-link\",\n    \"description\": \"Event link\",\n    \"url\": \"https://blog.river.inc/\",\n    \"timestamp\": 1760589619266\n  },\n  {\n    \"id\": \"event-rebranding-from-satoshi-protocol-confirmed-link\",\n    \"description\": \"Event link\",\n    \"url\": \"https://blog.river.inc/\",\n    \"timestamp\": 1760589619266\n  }\n]"},{"id":"website","value":"https://river.inc/"},{"id":"twitter_profile","value":"https://x.com/RiverdotInc"},{"id":"telegram_profile","value":"https://t.me/river_inc"},{"id":"discord_profile","value":"https://discord.com/invite/river-inc"},{"id":"github_profile","value":"https://github.com/Satoshi-Protocol"},{"id":"coingecko_profile","value":"https://www.coingecko.com/en/coins/satoshi-stablecoin"},{"id":"references","value":"https://docs.river.inc/"},{"id":"commit-message","value":"\"feat: Create article for satUSD, a multi-chain stablecoin by the River protocol.\""}],"events":[{"id":"3b0d2421-fc45-4f1b-8417-37c8db88e9b3","date":"2025-07","title":"satUSD System Launch on BNB Chain","type":"CREATED","description":"River launched the satUSD stablecoin system on the BNB Chain, achieving $400 million in Total Value Locked (TVL) within the first 24 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