Markets Optimism Plunges Double Digits Amid Base’s Tech Stack Overhaul February 19, 2026 By The Coin Weekly This post was originally published on this siteOptimism’s OP token sank after Base announced it’s moving away from the OP Stack to a unified, self-operated tech stack. Share FacebookTwitterPinterestWhatsApp Latest stories AI Tether-backed Oobit adds crypto-to-bank transfers for local payment networks The Coin Weekly - February 24, 2026 AI Ethereum Foundation starts staking ETH as client diversity concerns persist The Coin Weekly - February 24, 2026 Markets Solana DeFi Project Step Finance to Wind Down Weeks After $29M Hack The Coin Weekly - February 24, 2026 Markets Morning Minute: Ethereum’s Next Upgrade Features Censorship Resistance The Coin Weekly - February 24, 2026 Markets Bitcoin’s Path to Recovery ‘Unclear’ Amid Macro Headwinds The Coin Weekly - February 24, 2026 - Advertisement - You might also like... Markets Solana DeFi Project Step Finance to Wind Down Weeks After $29M Hack The Coin Weekly - February 24, 2026 Markets Morning Minute: Ethereum’s Next Upgrade Features Censorship Resistance The Coin Weekly - February 24, 2026 Markets Bitcoin’s Path to Recovery ‘Unclear’ Amid Macro Headwinds The Coin Weekly - February 24, 2026