Odaily Planet Daily News: Conor Grogan, director of product strategy and business operations at Coinbase, tweeted that due to errors and human errors, more than $1 billion of ETH has been lost forever, with a specific number of about 636,000 ETH, accounting for 0.5% of the circulating supply of tokens. Among them, about 306,000 ETH was caused by a vulnerability in the Parity crypto wallet in 2017; the bankrupt cryptocurrency exchange Quadriga lost 60,000 ETH due to a contract failure; the Akutars NFT series lost 11,500 ETH in the failed Mint; in addition, Ethereum users have cumulatively sent 24,000 ETH to a destruction address, which will no longer be able to access the token. (The Block)