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孤独的剑客 (25)Hivebuzz level badge

15 followers2 postsNot following anybody0 HP
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Joined May 2018 Active 7 years ago

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  • pmsmallj (25)in #blockchain • 7 years ago
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    区块链安全,要从设计抓起

    最近爆发的层出不穷的区块链安全问题,从以太坊RPC攻击转移用户资产,到ERC20代币频繁爆出溢出漏洞,这些问题其实大部分应该在区块链系统的设计阶段解决,而不是留给开发者来自己关注安全问题。我们先来看一下以太坊的设计。首先值得肯定的是,有别于比特币UTXO模型,以太坊设计了账户模型。账户模型对于实现智能合约是十分合理而且非常必要的,直接在UTXO模型上嫁接智能
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