An attacker used a compromised Ostium oracle signer to push future-dated prices through the protocol's PriceUpKeep forwarder on July 15, draining $18–24M from the OLP vault.
Polychain/Variant-backed neo-brokerage Cascade lost 1.34M USDC from pre-launch First Wave deposits on July 16; funds were bridged Arbitrum→Solana→Ethereum and swapped into unfreezable DAI.
An attacker with an authorized oracle-signer key and a registered PriceUpKeep forwarder booked twenty round-trip BTC/USD trades, draining ~28% of Ostium's OLP vault; trading paused.
Robinhood launched its Ethereum L2 on July 1 on Arbitrum Orbit with Chainlink CCIP and Data Streams live day one, Uniswap and Pleiades AMMs, and 24/7 stock tokens in 120+ countries.
The Foundation proposes a $43.5M 2027 operating budget — $16M stablecoins/RWA, 1,740 ETH and 230M ARB — drawn from the DAO treasury. On-chain vote opens June 8.