#BTC #ARK
方舟协议 @ArkLabsHQ 最近更新了新的进展,这又是我关注的off-chain协议之一,很多人可能不知道这个协议,我做一个简单的介绍:
1. Ark是一个利用off-chain模式来拓展BTC的协议
2. 在闪电网络的发展中,遇到了“通道容量问题”“扩展性问题”等,且短时间无法解决,Ark是在此基础上设想的另外一套方案
3. 既然是链下方案,就必然存在“链上和链下”连个模块
▪️在链上,其利用“预签名”和“共享UTXO”的概念来实现资金锁定和单边退出的能力,这点部分和 @buildonspark 相似
▪️在链下,其设计了一套虚拟UTXO(VTXO)的理念来复刻传统UTXO的模型
▪️链下的拓展性方面,其利用script原语来实现更多的功能,实现其定位“让BTC变得可编程”这样一个目标
4. 在整个环节中,需要在一定程度上信任Ark operator,为了改善这个问题,他们引入了TEE来执行operator,以减少信任依赖(这种信赖和多签那种信赖还不一样,operator是无法控制用户资金的)
5. 在资产拓展方面,在其最新的论文中,理论上其支持TA及大部分资产,不过还未实行
6. 因为是链下拓展方式,Ark和闪电网络是可以部分结合的,从其资产协议支持的是TA也能感知到
最后,再说一下Ark协议的背景:
1. 这个协议受到很多OG及BTC开发者的关注,比如linus、peter todd、Giacomo、Adam Back
2. 种子轮融资2.5M ,由 Tim Draper 和 Draper Ventures 领投
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下半年真的是越来越期待了🫡
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