March 2022
Intermediate to advanced
293 pages
5h 31m
Chinese
Content preview from 精通区块链
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94 ｜ 第 4 章
质上讲，万事达币虽然在今天看来还很原始，但它体现对比特币的能力和新
功能的研究。
万事达币（及其发明者
J.R. Willett
）也被认为是第一次首次代币发行（
initial
coin offering
，
ICO
），
ICO
是基于区块链的融资机制，旨在为初始协议的开
发提供资金。
4.1.3
理解
Omni Layer
Omni Layer
是一个基于比特币的开源、去中心化资产的基础设施。它是万
事达币基金会在
2013
年由其
ICO
募集到的资金所开发的成果的后续。
Omni
Layer
是一个正在进行中的项目，其参考实现称为
Omni Core
。
Omni Core
本质上是用附加功能增强了比特币的内容。它还提供了智能合约
功能，使开发者能够以去中心化和透明的方式实现货币功能的自动化。智能
合约可以让交易和协定在区块链上执行，执行货币操作以外的功能。这些功
能包括使用代币在其他区块链协议之上创建新的加密货币的能力（其他特性
会在第
5
章介绍）。
Omni
工作原理的基础结构如图
4-1
所示。
用户货币 用户货币 用户货币
万事达币协议
比特币协议（未修改）
图
4
-
1
：Omni Layer 的技术栈概述
MaidSafe
是在
Omni
上创建了自己的代币，
MaidSafte
是工程师
David Irvine
以太坊的演进 ｜ 95 ...
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