Every single grouping of transactions is became a block and chained to the present ledger. At the time a block is additional it can't be reversed or altered — And that's why people explain blockchains as "immutable." 你是否使用过更改过服务条款的产品？或者删除了你认为有用的功能？一旦智能合约发布到以太坊，只要以太坊存在，它就会一直在线并运行。就连创作者也无法让它离线。由于智能合约是自动... https://ethbase26269.kylieblog.com/29269376/indicators-on-ethereum-merge-you-should-know