Ethereum confirms Glamsterdam test date, developers warn of block builder attack risks

According to CoinDesk, Ethereum plans to launch Glamsterdam upgrade testing on the Sepolia testnet on October 6. Developers have warned that attackers could exploit free testnet ETH and numerous temporary block builder identities to win block auctions at high prices and then refuse to submit transaction payloads, thereby disrupting the testing process. This risk will not affect mainnet funds, but could hinder upgrade verification. Glamsterdam aims to increase the block gas limit to approximately 200 million, with the mainnet launch date remaining undetermined.