News linked to both this project and an event.
According to an official announcement from Polygon, the Polygon zkEVM Mainnet Beta will officially initiate its shutdown process on July 1, 2026, leaving approximately two weeks until full service cessation. The team urgently reminds users to withdraw all on-chain assets and liquidity positions before this deadline, as failure to do so may result in irretrievable loss of assets.The shutdown details two distinct rules for different asset types: Locked funds deposited in various DeFi protocol contracts will not be supported for automatic migration and cannot be recovered after the deadline; only assets held directly in personal wallets that have not been bridged back to Ethereum Mainnet in advance will be automatically migrated by the system to Ethereum L1, where users can claim them via a dedicated page. The platform urges users to promptly complete pool withdrawals and cross-chain operations to avoid the risk of permanent asset loss.
According to MetaMask’s official blog, MetaMask has officially launched its first self-custodial wallet designed specifically for AI agents—MetaMask Agent Wallet—and will begin its Early Access Program on June 8, 2026. The wallet connects to AI agent frameworks via a command-line interface (CLI) and supports the full suite of DeFi functionalities—including token swaps, perpetual contracts, prediction markets, and liquidity provision—across all EVM-compatible chains (Ethereum, Arbitrum, Base, Avalanche, Optimism, Polygon, BSC, Linea, Sei) as well as Hyperliquid. On security, the wallet offers two operational modes: - Default “Guard Mode” allows users to set daily spending limits and protocol allowlists; transactions exceeding these rules require manual two-factor authentication (2FA) approval before execution. - “Beast Mode” grants advanced users greater autonomy, but malicious transaction detection and mandatory 2FA verification remain enforced. All transactions undergo transaction simulation, Blockaid threat scanning, and MEV protection. Secure transactions are backed by up to $10,000 per month in transaction protection. Users retain full control of their private keys and can export their seed phrase at any time. The full public release is expected this summer.
Mastercard is expanding its settlement network to support regulated stablecoins, planning to introduce stablecoin settlement, intraday settlement, as well as weekend and holiday settlement services to meet the demand for real-time fund movement.According to the introduction, the new settlement framework will operate in parallel with the existing fiat settlement system, providing financial institutions with more flexible liquidity management solutions. The first supported stablecoins include Circle-issued USDC, Paxos-issued PYUSD, USDG and USDP, Ripple-issued RLUSD, and SoFiUSD.The related services will cover blockchain networks such as Ethereum, Solana, Polygon, Base, Arbitrum, and XRPL. (CoinDesk)
prediction market platform Polymarket has disclosed the completion of its first institutional on-chain block trade. The six-figure USD transaction was executed on the Polygon blockchain by digital asset broker FalconX and AI risk settlement infrastructure startup Anera Labs, targeting contracts related to the Ornn Compute Price Index, which tracks the rental price of NVIDIA H100 GPU chips. Polymarket stated that this is the first institutional on-chain block trade in the prediction market field. Going forward, FalconX will also serve as the exclusive market maker for block trades on the Polymarket platform to support institutional clients' liquidity needs and price discovery. (CNBC)
Polymarket has stated the CLOB API is currently under maintenance, affecting trading functionality. The project team has identified the CLOB issue impacting trades and will restart the CLOB at 21:10 today to deploy the fix. During this period, there may be a brief window where order matching is temporarily unavailable or only limit orders are possible. Other services, including the website, Markets API, Polygon RPC, user authentication, and Sports API, will continue to operate normally.
According to PR Newswire, the Open Transaction Layer (OTL) officially launched on May 28 as an open industry initiative aimed at establishing a unified transaction coordination standard for on-chain finance. OTL defines shared protocols among institutions, non-custodial wallets, and AI agents for identity verification, messaging, and transaction coordination—covering the entire transaction lifecycle, including discovery, compliance, and settlement. The founding alliance comprises over 25 members, including leading financial institutions, payment service providers, and blockchain foundations such as Fireblocks, Checkout.com, Cross River Bank, MetaMask, Robinhood, Securitize, Wintermute, Solana Foundation, and Polygon. OTL’s technical specifications are built upon mature standards including W3C Decentralized Identifiers (DIDs) and ISO 20022, and adopt a modular five-layer architecture covering Identity, Session, Transport, Messaging, and Application layers. The specifications have been published under an open-source license at otl.network, and the alliance is also open to additional institutional participation.
: Multiple institutions including Robinhood, MetaMask, and eToro, along with Fireblocks, Checkout.com, Cross River Bank, Securitize, Wintermute, and others, jointly announced their participation in the "Open Transaction Layer (OTL)" initiative, aimed at establishing a unified transaction coordination protocol layer for on-chain finance.OTL is positioned as an open protocol stack for coordinating identity verification, compliance validation, transaction messaging, and execution processes among wallets, institutions, and AI agents, addressing the integration fragmentation problem currently plaguing cross-institutional interactions in on-chain finance, where entities operate in silos.The current coalition members include payment companies, trading platforms, wallets, market makers, and custody and stablecoin infrastructure providers, including Robinhood, MetaMask, eToro, MoonPay, SoFi, Wintermute, among others, as well as foundations from multiple public chains such as TON, Solana, Stellar, and Polygon. (Financefeeds)
Cash App, the payment application from Block, now allows users to send and receive Circle-issued USDC stablecoins on Ethereum, Solana, Polygon, and Arbitrum. These transfers are currently fee-free. USDC stablecoins received via Cash App are automatically converted into U.S. dollar balances. This feature is not yet available to customers in New York State. Users must complete identity verification and are subject to transaction limits. Block has previously focused primarily on Bitcoin, including the development of mining hardware and the self-custody wallet BitKey. Earlier this year, Jack Dorsey described stablecoins as “moving from one gatekeeper to another,” while acknowledging the growing customer demand.
Block's Cash App is gradually rolling out stablecoin payment functionality to its nearly 60 million users. According to sources familiar with the matter, the feature currently covers approximately 25% of users and is expected to reach full 100% availability within this week.The core functionality supports users in depositing and withdrawing via USDC, allowing free transfers of funds between external wallets and Cash App balances, and using stablecoins as a settlement tool for payments rather than as investment products. It currently supports transactions across four blockchain networks, including Solana, Ethereum, Polygon, and Arbitrum. Due to the irreversible nature of on-chain transactions, incorrect addresses or unsupported network transfers may result in permanent loss of funds.Block CEO Jack Dorsey previously stated that despite his longstanding preference for Bitcoin, user demand for stablecoins has prompted the company to adjust its strategy. (CoinDesk)
according to official news, Gate Alpha officially launched the stock token trading competition on May 26th at 14:00 (UTC+8). Users can participate by trading designated hot coins to share in the total $50,000 airdrop reward. This event features a dual reward mechanism with a 100% winning rate. For users who did not register via an invitation code, every 200 USDT traded grants 1 chance to draw a regular blind box, with a total prize pool of approximately $20,000. Each single draw guarantees a minimum of 0.16 GT and a maximum of 7.14 GT. For users who registered via an invitation code, every 500 USDT traded grants 1 chance to draw a premium blind box, with a total prize pool of approximately $30,000. Each single draw guarantees a minimum of 0.36 GT and a maximum of 14.29 GT. Each user has a limit of up to 20 draw chances per day, and a total limit of 80 draws throughout the entire event. All rewards are distributed in real-time, first come, first served.Gate Alpha now supports popular public chains such as SOL, ETH, Gate Layer, BSC, Base, SUI, ARB, World Chain, AVAX, Polygon, LINEA, ZK, OP, and Berachain. Through the contract address search function, users can achieve seamless trading of tokens across all chains, bridging cross-chain trading pathways and enabling one-click access to on-chain tokens.
A Uniswap governance proposal seeks to extend the protocol’s fee collection and burning infrastructure to BNB Chain and Polygon, and to complete the fee activation process on Celo—which previously failed due to a configuration error. The proposal includes: setting the V2 protocol fee recipient addresses on BNB Chain, Polygon, and Celo to TokenJar; and designating V3OpenFeeAdapter as the owner of the V3 Factory on the respective chains. Additionally, on Celo, the feeToSetter role and ownership of the V4 PoolManager will be transferred to CrossChainAccount. According to the proposal, fees collected on each chain will be aggregated into their respective TokenJars, then UNI tokens will be bridged cross-chain back to Ethereum Mainnet and sent to the burn address.
Polymarket staff member Shantikiran Chanal posted on platform X, stating that they have taken note of the security reports related to reward distribution, and that user funds and market settlements remain safe. The investigation indicates that a private key leak occurred in a wallet used for internal operations, and the issue is not related to contracts or core infrastructure. Further updates will be provided.Previous report: ZachXBT stated that the Polymarket UMA CTF Adapter contract allegedly came under attack on Polygon, with over $520,000 having been drained.
THORChain has released its fourth update regarding the Asgard vault intrusion incident, publishing the ADR028 proposal and opening voting for node operators. The proposal indicates that the protocol will first absorb losses through its Protocol-Owned Liquidity (POL), with the remaining portion to be borne by synthetic asset holders. The exact proportion is still under evaluation. The POL will be reduced to zero as a result, and the proposal suggests allocating a portion of system revenue over time to gradually replenish it. This plan does not involve minting new RUNE, selling RUNE, or diluting holder equity.On the technical side, the GG20 version will be temporarily retained with a patch upgrade. Trading will resume after the vulnerability is fixed and a successful node rotation is completed. A slower, more security-focused release cadence is planned for the future.Regarding the slashing mechanism, unrelated nodes sharing the same vault as the attacker will be protected, while the attacker's node will be fully slashed. The recovered RUNE will be paired with recoverable assets from the affected vault, and any excess RUNE will be burned.Additionally, THORChain has offered a white-hat bounty to the attacker to recover funds. If a portion of the funds is recovered, the recovery plan will be adjusted proportionally. THORChain emphasizes its commitment to remaining neutral and permissionless, stating it will not censor the attacker's swap transactions after trading resumes.Currently, node operators are voting on the overall direction and principles of the proposal. The specific figures in the ADR are indicative and will be adjusted later via the Mimir mechanism. The goal is to restart the network as soon as possible. A "yes" vote means developers can proceed further along this path.
B.AI, a cutting-edge financial infrastructure platform for the AI era, has officially launched deposit functionality for $HTX and $WBTC. Following this upgrade, users can now perform seamless operations via TRON, Ethereum (supporting WBTC and HTX), and BNB Chain (supporting HTX). B.AI’s ecosystem now fully covers eight major public blockchains—TRON, BNB Chain, Ethereum, Base, Arbitrum, Optimism, Polygon, and Solana—and supports up to 15 core crypto assets. B.AI remains committed to breaking down cross-chain asset barriers, enabling users—regardless of their preferred network or asset—to enjoy lightning-fast, secure, and frictionless account and payment experiences.
B.AI has officially integrated into the Solana ecosystem, comprehensively upgrading its cross-chain login and payment capabilities. Users can now log in with one click via MetaMask and Phantom wallets and top up or subscribe using SOL, USDT, USDC, or WBTC on the Solana network. B.AI now supports eight major public blockchains—TRON, BNB Chain, Ethereum, Base, Arbitrum, Optimism, Polygon, and Solana—building a more open and decentralized multi-chain AI economy. New users enjoy an exclusive limited-time welcome offer: 500,000 points upon first login, a 1:1 bonus on top-ups, and up to an additional $100 worth of points per user. Going forward, B.AI will lower entry barriers and expand asset options to help you seamlessly enter the new era of intelligent economics.
Odaily Odaily, THORChain posted on platform X that its developers have released an incident update on Discord. Current evidence points to a node thor16uc...cn84q, which recently joined the network, as being associated with the attack. This node is operated by a single malicious actor. The primary hypothesis is that the attacker exploited a vulnerability in the GG20 TSS implementation, causing sensitive key material of vault participants to leak over time. This ultimately enabled the reconstruction of the vault's private key and the execution of unauthorized outgoing transactions.Regarding network status, the network has been paused after multiple node operators executed `make pause`. RUNE transfers and on-chain observation may resume within approximately 12 hours, but transactions, LP operations, signing, and other sensitive operations remain paused.Discussed recovery plans include slashing the affected node's bond, covering losses with protocol-owned liquidity (POL), or other community-driven solutions. THORSec and Outrider Analytics are continuing their investigation. The Treasury is gathering forensic data and coordinating with relevant law enforcement agencies. Full functional recovery is expected to take several days or longer.
Huma Finance posted on X platform, stating that its old v1 contract deployed on Polygon was exploited today, resulting in the transfer of approximately 101,400 USDC. This incident did not compromise user funds, and the related PST system was also unaffected. Only the gradually phased-out v1 legacy pools were impacted. The Huma v2 system is a complete rewrite deployed on Solana and is not vulnerable to this exploit. The team was already in the process of retiring v1 liquidity pools, and following this incident, they have fully suspended the operation of v1 contracts and accelerated the completion of migration efforts.
According to Cointelegraph, Ethereum scaling solution Polygon announced on Sunday the launch of a privacy-focused stablecoin payment feature to attract more enterprises and institutions to use its network. This feature routes transactions through wallets to shielded pools, with zero-knowledge proofs handling verification—it forms part of Polygon’s integration with privacy protocol Hinkal.
Odaily Odaily News According to official sources, Gate Alpha officially launched its May Day special event at 14:00 (UTC+8) on April 30. Users can trade designated hot tokens to participate in sharing a total airdrop reward worth over $100,000. This event features a dual reward mechanism for basic and advanced tiers: For the basic tier, users can earn one chance to draw a regular mystery box for every 200 USDT traded, with a total prize pool of approximately $30,000, a 100% win rate, and prizes including an iPhone 17, GT tokens, and Alpha fee rebate vouchers. For the advanced tier, once users have traded up to 2,000 USDT, every additional 500 USDT traded grants one chance to draw a premium mystery box, with a total prize pool of approximately $76,000, and prizes including an iPhone 17 Pro Max, substantial GT tokens, and substantial Alpha fee rebate vouchers. Additionally, inviting friends to complete their first trade of 100 USDT will grant extra rewards to both the inviter and the new user. All rewards are distributed in real-time and are available only while supplies last.Gate Alpha now supports popular public chains including SOL, ETH, Gate Layer, BNB Chain, Base, SUI, ARB, World Chain, AVAX, Polygon, LINEA, ZK, OP, and Berachain. It also enables seamless cross-chain token trading through a contract address search function, unlocking cross-chain trading pathways and offering users all on-chain tokens at their fingertips.
According to Fortune, Meta has quietly launched a stablecoin payment feature, offering select creators in Colombia and the Philippines the ability to receive payments in USDC on the Solana and Polygon networks. Creators can enter their third-party wallet addresses into Facebook’s payout platform to withdraw funds. Meta does not provide USDC-to-local-fiat conversion services and partners with Stripe to handle related tax filings. According to Marc Boiron, CEO of Polygon Labs, the initiative is expected to expand to over 160 countries by year-end. This launch comes more than four years after Meta’s Libra project—later renamed Diem—was discontinued in 2022.