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Block, Inc.’s Bitcoin Product Lead Miles Suter took to social media to say Cash App users can send and receive USDC stablecoins on Solana, Ethereum, Polygon and Arbitrum.“We remain singularly focused on bitcoin becoming the native currency of the internet,” Suter also said.

Circle and Nium have partnered to connect stablecoin settlement with global payout rails in over 190 countries.Nium is joining the Circle Payments Network as part of the deal, providing financial institutions with direct access to its payout infrastructure across more than 100 local currencies.

HYPE ETFs crossed $100 million in cumulative net inflows within their first 10 trading sessions.The inflows are led by 21Shares’ THYP and Bitwise’s BHYP, two U.S. spot products tied to Hyperliquid’s native HYPE token.HYPE has gained nearly 50% this month, while Lookonchain reported that a trader made a $2.51 million profit over 46 days.

Cash App has begun supporting stablecoin transactions on networks including Ethereum and Solana, pushing past its Bitcoin-based roots.

Coinbase is working with Standard Chartered to unlock multi-currency funding rails for institutional clients, aiming to enhance capital efficiency and reduce FX friction.Coinbase also relaunched Direct Deposit for U.S. customers on Tuesday, allowing users to automatically allocate a portion of their paycheck across crypto.

Cash App is adding USDC deposits, withdrawals and payments for its roughly 60 million usersAbout 25% of users have access now, with full coverage targeted by the end of the weekThe feature supports Solana, Ethereum, Polygon and Arbitrum, with on-chain mis-sends remaining irreversible

Cohen said real stablecoin demand sits in cross-border settlement, B2B payouts, and treasury, not retail checkout.He argued Mastercard’s $1.8 billion BVNK deal validates the rail rather than ending the case for neutral orchestration.Cohen expects stablecoins to scale across business flows over 18 months without displacing cards at the till.

Nium joined Circle Payments Network as a global payout partner, giving institutions access to payouts across more than 190 countries and 100 currencies.The partnership connects USDC-powered settlement with Nium’s last-mile delivery through local bank accounts, wallets, and cards.Circle’s institutional stablecoin services have expanded after Luxembourg approval, with support for USDC, USDG, and EURI.

Coinbase added multi-currency rails with Standard Chartered for AUD, SGD, CAD, CHF, EUR and GBP.Institutional clients can manage global books without forced FX consolidation across Coinbase Prime and Exchange.Direct Deposit also returned for U.S. customers, adding paycheck-to-crypto allocation with zero trading fees nationwide.

XRPL Foundation introduced a draft AMM proposal adding StableSwap and concentrated liquidity to liquidity pools.The upgrade would let pool creators choose curve types without changing existing XLS-30 pools.Stablecoin, RWA and DeFi markets could gain better pricing if validators approve the amendment.

OpenZeppelin co-founder Manuel Aráoz said he has advised friends and family to exit all DeFi positions, including exposure to Aave, MakerDAO, and Compound.DeFi protocols lost nearly $630 million to hacks in April, with Drift and Kelp DAO accounting for most of the monthly losses.Total value locked across the DeFi market has fallen roughly 14% since mid April as exploit incidents continued into May.

Base MCP lets AI agents swap, transfer, and track wallets from chat with user approvals.The tool supports Uniswap, Morpho, Moonwell, and other Base apps while private keys stay protected.Related x402 growth shows Coinbase expanding AI payments despite fresh security and malware concerns.

Multi-asset trading platform Liquid on Tuesday launched Co-Invest, an app that lets users place real trades inside ChatGPT and Claude.Co-Invest supports exposure to crypto, equities, foreign exchange, Polymarket positions and pre-IPO secondaries across more than 500 markets, founder Franklyn Wang told The Block.Wang said Co-Invest is available in all 50 U.S. states and most other jurisdictions, with the standard sanctions-related exclusions like Iran and North Korea.

A single trader bought $341 worth of World Cup Coin via five transactions shortly after its May 11 launch and sold $35,700 as the token hit a $6 million market cap in its first two days.The token hit an all-time high market cap of $12.2 million on May 21, representing more than 30,000% from the trader’s entry, with a total of $48,000 realised across three separate rallies.World Cup Coin is not affiliated with FIFA and launched on Solana’s Pump.fun launchpad alongside individual meme coins for each of the 48 national teams in the 2026 tournament.

AWS launched Amazon Bedrock AgentCore Payments on May 7, with Coinbase x402 and wallet infrastructure embedded to give AI agents autonomous USDC payment capability.Agents settle transactions on Base in roughly 200 milliseconds at less than a fraction of a cent per transaction, with enterprise spending controls and compliance checks built in.The x402 protocol has processed more than 169 million payments across 590,000 buyers in its first year, and both AWS and Coinbase are founding members of the x402 Foundation.

Senator Elizabeth Warren has written to Meta CEO Mark Zuckerberg demanding detailed disclosures about Meta’s new stablecoin payment pilot and calling its “lack of transparency” troubling.Warren wants Meta to clarify by May 20 how its USDC-based tests in Colombia and the Philippines work, which third-party stablecoins and wallets are involved, and what safeguards exist for privacy, competition, and financial stability.The letter lands as the Senate Banking Committee hammers out the CLARITY Act’s stablecoin rules, setting up a direct clash between Big Tech’s payment ambitions and Washington’s effort to tightly police dollar tokens.