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Project Overview
USDT0 is a stablecoin built using LayerZero's OFT Standard for deployments and asset transfers to new chains. USDT0 tokens can be redeemed by unlocking the corresponding USDT on Ethereum, from any supported chain, which always maintains a strict 1:1 backing.
Lending protocol Purrlend suffered an attack, with losses of approximately $1.52 million
the lending protocol Purrlend was attacked on the MegaETH and HyperEVM networks, resulting in losses of approximately $1.52 million. The attacker extracted approximately $1.2 million in assets from the HyperEVM network, including 449,683 USDC, 214,125 USDT0, 194,745 USDH, and portions of UBTC, wstHYPE, UETH, kHYPE, and WHYPE. The attacker also extracted approximately $324,000 in assets from the MegaETH network, including USDT0, WETH, and USDm. Purrlend has since paused the protocol and launched an investigation. The attacker's address has been identified on the block explorers of both networks.
USDT0 Resumes Cross-Chain Bridging Service: Previously Paused Preventively Due to the rsETH Incident; System Integrity Remains Unaffected
According to an official announcement by USDT0 (@USDT0_to), the USDT0 cross-chain bridging infrastructure resumed normal operations today. System integrity and risk exposure remain unaffected, and all pending transactions submitted prior to the suspension have been safely settled. Previously, on April 19, USDT0 proactively suspended its OFT bridging service as a precautionary measure pending the conclusion of the KelpDAO rsETH incident investigation. USDT0 emphasized that it bears no risk exposure related to this incident, and all USDT0 tokens remain fully backed 1:1 by USDT.
Euler takes over operations of HypurrFi's Mewler market, HypurrFi to gradually shut down and complete migration
Euler Finance announced it will take over the maintenance and operation of the Euler contract stack known as Mewler under HypurrFi on the Hyperliquid EVM. The relevant infrastructure is undergoing a smooth transition, with Clearstar Labs continuing to serve as the risk manager for the Prime, Yield, and Earn vaults. HypurrFi Scale and Pooled Markets are scheduled to gradually wind down and undergo orderly liquidation over the coming weeks. However, all existing markets remain solvent and fully operational, with no security vulnerabilities or emergency parameter adjustments.During the migration process, new borrowing functionality for some Pooled assets has been frozen, but HYPE, USDC, and USDT0 can still be used for liquidity provision to allow borrowers to gradually unwind their positions. Euler emphasized that its isolated lending architecture on HyperEVM will continue to serve as core infrastructure, jointly maintained by Euler and Clearstar Labs.The HypurrFi team stated that user deposits, positions, and collateral assets remain fully secure. This adjustment is an active strategic migration, not a security incident or protocol failure. According to the plan, Euler Prime and Yield markets will become the primary entry points for lending and yield markets on HyperEVM moving forward. The HypurrFi brand will be gradually phased out, with related support services closing after May 28. Full market liquidation is expected to be completed by July 15, 2026.HypurrFi also reminded users to be aware of risks and fraudulent links during the migration process, to operate only through official channels, and to use the built-in migration tools to transfer Pooled positions to Euler Prime or Yield markets.
USDT0 Reveals Security Architecture Details: Implements 3/3 Verification Mechanism and Launches $6 Million Bug Bounty Program
following the Kelp security incident, Tether's asset interoperability protocol USDT0 has disclosed details of its protocol security architecture. It stated that the system currently utilizes a proprietary DVN (Decentralized Verification Network) with message veto authority, and requires 3 independent validators, operating on different codebases, to reach a 3/3 consensus before cross-chain messages can be settled. The current verification nodes include the USDT0 proprietary DVN, LayerZero, and Canary, with future plans to expand to 4/4 and 5/5 verification mechanisms.USDT0 also stated that all multi-signature transactions must undergo multiple reviews by internal teams, external security teams, and auditing firms before signatures are submitted. The relevant contracts have been audited by firms such as Guardian and OpenZeppelin, and a $6 million bug bounty program has been launched on Immunefi.
Lending protocol Purrlend suffered an attack, with losses of approximately $1.52 million
the lending protocol Purrlend was attacked on the MegaETH and HyperEVM networks, resulting in losses of approximately $1.52 million. The attacker extracted approximately $1.2 million in assets from the HyperEVM network, including 449,683 USDC, 214,125 USDT0, 194,745 USDH, and portions of UBTC, wstHYPE, UETH, kHYPE, and WHYPE. The attacker also extracted approximately $324,000 in assets from the MegaETH network, including USDT0, WETH, and USDm. Purrlend has since paused the protocol and launched an investigation. The attacker's address has been identified on the block explorers of both networks.
The KelpDAO attacker bridged funds to Arbitrum and then transferred them to TRON.
According to on-chain analyst PeckShield (@PeckShieldAlert), the KelpDAO attacker has transferred ETH from Ethereum to Arbitrum via the Across Protocol, swapped it for USDT, and then routed the funds to TRON DAO via LayerZero.
Euler takes over operations of HypurrFi's Mewler market, HypurrFi to gradually shut down and complete migration
Euler Finance announced it will take over the maintenance and operation of the Euler contract stack known as Mewler under HypurrFi on the Hyperliquid EVM. The relevant infrastructure is undergoing a smooth transition, with Clearstar Labs continuing to serve as the risk manager for the Prime, Yield, and Earn vaults. HypurrFi Scale and Pooled Markets are scheduled to gradually wind down and undergo orderly liquidation over the coming weeks. However, all existing markets remain solvent and fully operational, with no security vulnerabilities or emergency parameter adjustments.During the migration process, new borrowing functionality for some Pooled assets has been frozen, but HYPE, USDC, and USDT0 can still be used for liquidity provision to allow borrowers to gradually unwind their positions. Euler emphasized that its isolated lending architecture on HyperEVM will continue to serve as core infrastructure, jointly maintained by Euler and Clearstar Labs.The HypurrFi team stated that user deposits, positions, and collateral assets remain fully secure. This adjustment is an active strategic migration, not a security incident or protocol failure. According to the plan, Euler Prime and Yield markets will become the primary entry points for lending and yield markets on HyperEVM moving forward. The HypurrFi brand will be gradually phased out, with related support services closing after May 28. Full market liquidation is expected to be completed by July 15, 2026.HypurrFi also reminded users to be aware of risks and fraudulent links during the migration process, to operate only through official channels, and to use the built-in migration tools to transfer Pooled positions to Euler Prime or Yield markets.
USDT0 Reveals Security Architecture Details: Implements 3/3 Verification Mechanism and Launches $6 Million Bug Bounty Program
following the Kelp security incident, Tether's asset interoperability protocol USDT0 has disclosed details of its protocol security architecture. It stated that the system currently utilizes a proprietary DVN (Decentralized Verification Network) with message veto authority, and requires 3 independent validators, operating on different codebases, to reach a 3/3 consensus before cross-chain messages can be settled. The current verification nodes include the USDT0 proprietary DVN, LayerZero, and Canary, with future plans to expand to 4/4 and 5/5 verification mechanisms.USDT0 also stated that all multi-signature transactions must undergo multiple reviews by internal teams, external security teams, and auditing firms before signatures are submitted. The relevant contracts have been audited by firms such as Guardian and OpenZeppelin, and a $6 million bug bounty program has been launched on Immunefi.
Data: USDT0 users are predominantly small holders, with over 99% holding less than $1,000
According to the latest data from the omnichain stablecoin USDT0, its user base is primarily retail: approximately 99.2% of holders have wallet balances under $1,000, only about 1,200 addresses hold between $100,000 and $1 million, and just 35 addresses hold over $10 million.The report notes that the main use case for USDT0 is small-value cross-chain transfers, with active users primarily engaged in daily transactions rather than large fund flows. However, in terms of transaction volume, single transfers exceeding $1 million still account for approximately 68.8% of the total transfer volume.USDT0 was launched by Everdawn Labs and is supported by LayerZero and Tether, pegged 1:1 to USDT. It has currently expanded to 23 chains, with a total transaction volume of $86.7 billion, becoming the third-largest holder of USDT, trailing only Binance and OKX. (The Block)
Related news
Euler takes over operations of HypurrFi's Mewler market, HypurrFi to gradually shut down and complete migration
Euler Finance announced it will take over the maintenance and operation of the Euler contract stack known as Mewler under HypurrFi on the Hyperliquid EVM. The relevant infrastructure is undergoing a smooth transition, with Clearstar Labs continuing to serve as the risk manager for the Prime, Yield, and Earn vaults. HypurrFi Scale and Pooled Markets are scheduled to gradually wind down and undergo orderly liquidation over the coming weeks. However, all existing markets remain solvent and fully operational, with no security vulnerabilities or emergency parameter adjustments.During the migration process, new borrowing functionality for some Pooled assets has been frozen, but HYPE, USDC, and USDT0 can still be used for liquidity provision to allow borrowers to gradually unwind their positions. Euler emphasized that its isolated lending architecture on HyperEVM will continue to serve as core infrastructure, jointly maintained by Euler and Clearstar Labs.The HypurrFi team stated that user deposits, positions, and collateral assets remain fully secure. This adjustment is an active strategic migration, not a security incident or protocol failure. According to the plan, Euler Prime and Yield markets will become the primary entry points for lending and yield markets on HyperEVM moving forward. The HypurrFi brand will be gradually phased out, with related support services closing after May 28. Full market liquidation is expected to be completed by July 15, 2026.HypurrFi also reminded users to be aware of risks and fraudulent links during the migration process, to operate only through official channels, and to use the built-in migration tools to transfer Pooled positions to Euler Prime or Yield markets.
USDT0 Reveals Security Architecture Details: Implements 3/3 Verification Mechanism and Launches $6 Million Bug Bounty Program
following the Kelp security incident, Tether's asset interoperability protocol USDT0 has disclosed details of its protocol security architecture. It stated that the system currently utilizes a proprietary DVN (Decentralized Verification Network) with message veto authority, and requires 3 independent validators, operating on different codebases, to reach a 3/3 consensus before cross-chain messages can be settled. The current verification nodes include the USDT0 proprietary DVN, LayerZero, and Canary, with future plans to expand to 4/4 and 5/5 verification mechanisms.USDT0 also stated that all multi-signature transactions must undergo multiple reviews by internal teams, external security teams, and auditing firms before signatures are submitted. The relevant contracts have been audited by firms such as Guardian and OpenZeppelin, and a $6 million bug bounty program has been launched on Immunefi.
Data: USDT0 users are predominantly small holders, with over 99% holding less than $1,000
According to the latest data from the omnichain stablecoin USDT0, its user base is primarily retail: approximately 99.2% of holders have wallet balances under $1,000, only about 1,200 addresses hold between $100,000 and $1 million, and just 35 addresses hold over $10 million.The report notes that the main use case for USDT0 is small-value cross-chain transfers, with active users primarily engaged in daily transactions rather than large fund flows. However, in terms of transaction volume, single transfers exceeding $1 million still account for approximately 68.8% of the total transfer volume.USDT0 was launched by Everdawn Labs and is supported by LayerZero and Tether, pegged 1:1 to USDT. It has currently expanded to 23 chains, with a total transaction volume of $86.7 billion, becoming the third-largest holder of USDT, trailing only Binance and OKX. (The Block)
Lending protocol Purrlend suffered an attack, with losses of approximately $1.52 million
the lending protocol Purrlend was attacked on the MegaETH and HyperEVM networks, resulting in losses of approximately $1.52 million. The attacker extracted approximately $1.2 million in assets from the HyperEVM network, including 449,683 USDC, 214,125 USDT0, 194,745 USDH, and portions of UBTC, wstHYPE, UETH, kHYPE, and WHYPE. The attacker also extracted approximately $324,000 in assets from the MegaETH network, including USDT0, WETH, and USDm. Purrlend has since paused the protocol and launched an investigation. The attacker's address has been identified on the block explorers of both networks.
The KelpDAO attacker bridged funds to Arbitrum and then transferred them to TRON.
According to on-chain analyst PeckShield (@PeckShieldAlert), the KelpDAO attacker has transferred ETH from Ethereum to Arbitrum via the Across Protocol, swapped it for USDT, and then routed the funds to TRON DAO via LayerZero.
USDT0 Resumes Cross-Chain Bridging Service: Previously Paused Preventively Due to the rsETH Incident; System Integrity Remains Unaffected
According to an official announcement by USDT0 (@USDT0_to), the USDT0 cross-chain bridging infrastructure resumed normal operations today. System integrity and risk exposure remain unaffected, and all pending transactions submitted prior to the suspension have been safely settled. Previously, on April 19, USDT0 proactively suspended its OFT bridging service as a precautionary measure pending the conclusion of the KelpDAO rsETH incident investigation. USDT0 emphasized that it bears no risk exposure related to this incident, and all USDT0 tokens remain fully backed 1:1 by USDT.