Ropsten, Rinkeby & Kiln Deprecation AnnouncementPosted by Protocol Support Team on June 21, 2022 Reminder: the Gray Glacier upgrade is scheduled for block 15,050,000, expected June 29, 2022The Kiln Merge testnet, launched earlier this year, will be shut down shortly after the Ethereum mainnet's transition to proof-of-stake.Ropsten, Ethereum's longest-lived proof-of-work testnet, has transitionned