OpenSea uses something called the WyvernProtocol to automate their marketplace.
The specific exploit took advantage of the way OS implemented wyvern.
https://wyvernprotocol.com/
OpenSea使用一种叫做WyVern协议的东西来自动化他们的市场。
该漏洞利用了操作系统实现wyvern的方式。
https://wyvernprotocol.com/