Uniswap in-app wallet creation.
Polygon launches Open Money Stack.
Ethereum Subsidy Program Cohort 1.
0x API general release.

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Uniswap shipped support for in-app wallet creation across the Uniswap Web App, Uniswap Wallet, and Uniswap Extension. Users can create a wallet in seconds using a passkey, FaceID, or TouchID, with no seed phrase required during setup, and can export their seed phrase from settings at any time. The infrastructure is powered by Privy, which combines globally distributed key sharding with trusted execution environments for low-latency signing with no single point of failure. Uniswap also added per-token P&L tracking, a multichain portfolio view, and cross-chain swaps powered by Across.
Polygon launched Open Money Stack (OMS) in technical preview, a hosted API that lets businesses move money globally using stablecoins. Cash deposits and bank wires are automatically converted into USDC or USDT on Polygon, with off-ramps back to fiat via ACH, Fedwire, or RTP, and cash onramps live across 48 US states. The platform lets businesses accept stablecoins, generate per-customer deposit addresses, and route to external wallets, with a full API spanning webhooks, RBAC, and SSO.
The Ethereum Security Subsidy Program selected 30 projects from its first cohort, covering up to 30% of audit costs from a $1 million funding pool. Selected projects include Lido Finance, Anvil, Bebop, MetaLeX Labs, and 26 others spanning DeFi protocols and infrastructure teams, connecting recipients to top crypto audit firms to strengthen security across Ethereum. Applications for Cohort II are open and close on June 14.
0x released its Cross-Chain API for general availability, offering a single integration for cross-chain swaps that executes route discovery, bridging, and fallback handling. The 0x API handles the multi-step and multi-network infrastructure complexity behind cross-chain transactions through a single API. The API launches with three months of zero swap fees through September 3, 2026.
ACDE #238 summary
Defend Developers hybrid PAC
EIP-8037 scheduled for Glamsterdam
Base maintains 500 TPS
pERC20 privacy-native tokens
The Security Beat May 2026
State of Staking May 2026
Brave Origin goes live
ModernTreasury USDC on Base
STRATO ICO on Uniswap
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