{"id":"tp-50535","type":"article-newspaper","title":"Optimism Says ZiskVM Team Is Testing Its OP Stack Framework","author":"Simon Yoon","publisher":"TOKENPOST Inc.","url":"https://www.tokenpost.com/news/technology/50535","datePublished":"2026-11-07T03:01:38.000Z","dateModified":"2026-11-07T03:01:38.000Z","language":"en","abstract":"The open-source stack is used to build Ethereum layer-2 networks. World, Unichain and Soneium operate their own OP Stack networks, while Ink uses OP Enterprise.","section":"Technology","references":[{"title":"OP Stack’s network model","url":"https://www.tokenpost.com/news/technology/33659"}]}