Smart contract is one of the four core technologies in blockchain.The concept 11 was first proposed by Nick Saab,a well-known Cryptologist,in 1994,but it has not been implemented due to technology and other reasons.Even today,smart contract has been widely used in the Internet,such as automatic

简单来说，智能合约就是一种把我们生活中的合约数字化，当满足一定条件后，可以由程序自动执行的技术。我们的生活中处处充满着合约，就好比你跟我做了一个约定，我们订好了奖惩措施，但由于种种原因可能没法履行其中的条款，出现了无法履约的情况，而在进入赔付环节，往往会出现毁约，失约，耍赖的情况，11后弄得有理说不清。

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