exploit
Gnosis co-founder Martin Köppelmann confirms an active exploit on Gnosis Pay tied to Zodiac Delay Modifier v1.1.0 and Roles Modifier v2; Gnosis pledges to cover all user losses.
regulation
The June 2 draft (File DSP-3) makes digital assets and DLT a standalone SEC objective for fiscal years 2026-2030; comments due July 2.
on-chain
Researcher 0xFlorent_ found an integer-overflow path in the HongCoin admin function and unlocked 1,003.62 ETH (~$2M) trapped in the 2016 ICO refund contract for nine years.
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.