regulation
Paxos Securities Settlement Company, LLC won temporary SEC registration as a clearing agency under Section 17A — the first blockchain-native firm to clear and settle US securities.
governance
Cardano's on-chain treasury vote for the Foundation's Singapore summit closed May 29 with 65.21% DRep stake yes, 1.46 points below the 66.67% supermajority.
regulation
A U.S. federal TRO in Newton AC/DC Fund v. Ermilov forced Circle to blacklist Zama's cUSDC contract at 01:08 UTC on May 30, 2026, locking 12.6M USDC.
exploit
Cosmos-Ethereum Gravity Bridge lost ~$5.4M on May 30. Peckshield and on-chain analyst Specter call it a signing key compromise. Team halted validators; attacker holds ~2,102 ETH.
protocol
Zcash Foundation ships Zebra 4.5.0 plus a 4.5.1 hotfix, closing 15 advisories including a critical P2SH disabled-opcode sigop undercount that could split the chain.
infrastructure
DTC will tokenize Russell 1000 equities, ETFs and US Treasuries on Stellar under its SEC no-action letter. First production trades targeted for July, broader rollout October.
infrastructure
Leap Wallet shuts down all products on May 28, 2026 — browser extension, mobile apps, Compass, Swapfast and the Leap Cosmos Hub validator. ATOM stakers need to redelegate before the unbonding window.
protocol
The Kohaku privacy SDK landed @kohaku-eth/railgun v0.0.1-alpha.22 on May 26 — brotli compression, ERC-4337 mempool relaying operational. Tornado Cash and Privacy Pools modules still in dev.
governance
Cardano's delegated reps approved Input Output's Leios funding on May 24 with about 84% turnout, unlocking ₳27.7M from the treasury. Testnet targets June 23.