
On June 9th, Optimism Foundation sent 20 million $OPs to Wintermute for liquidity providing services that were obtained by an attacker, and subsequently Wintermute promised to repurchase the stolen tokens. Hop Protocol's $HOP airdrop can be claimed. Ethereum Ropsten testnet merge has been completed. Ropsten and Rinkeby testnets will be shut down by the end of the year. OP Stimpack is open for applications. Tether launches $USDT on Tezos.