智能合约间的跨链 by hnt

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· @hnt · (edited)
$27.05
智能合约间的跨链
关于DeFi生态来说,跨链技能是必不可缺的。由于DeFi现在面临着一个重大问题,便是怎么打通各自公链的DeFi资产。

跨链技能自诞生以来,就成为区块链抢手方向,便是处理区块链的互操作性,互操作性简略来说便是“跨链沟通”。所以跨链技能也是打破区块链世界的信息孤岛。 

现在跨链技能大部分是中心化跨链,Cosmos 和 Polkadot都属于中心化跨链代表,Polkadot是经过中继链这条中心化的链来操控整条网络,Cosmos实质是和Polkadot相同的,是经过Cosmos Hub这样的中心化链,操控整条网络。又如币安的跨链桥,是经过中心化机构来做承兑商,完结资产的跨链需求。

以Polkadot举例:假设A用户,经过ETH跨链到BSC链上,A用户首先授权给ETH链并发送到Polkadot的中继链,经过Polkadot中继链的赞同,再由Polkadot的中继链来进行赎回,再发送到BSC链上,这里边A用户运用 Polkadot 的一致才干完结整个跨链进程,而没有完结真正意义智能合约间的跨链。



在法币范畴信任大家都会遇到一个问题,假设:你需要将一万块人名币汇入到朋友的海外银行账户,并兑换成美金,这时候你需要向中国银行以人名币买入美元,再将美元汇入到你朋友的海外银行账户,完结整个买卖进程。整个进程看似非常简略。相当于你授权给中国银行,由中国银行兑换成美元,再由中国银行发送这笔转帐,并由你朋友的海外账户接受这笔转账。整个买卖进程,中国银行担任了巨大的效果,如果没有中国银行,这笔买卖转账是没办法完结的。

那么相同的问题放在DeFi来说?比如:怎么将ETH链上的资产跨到Heco/BSC等链上?由于DeFi生态实质是去中心金融,没有相似中国银行这类的权威机构,来帮你完结这样的资产跨链转账,这时候跨链技能就显得格外重要。
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