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 Markets David Sacks Leaves White House Crypto Role With Key Legislation Still Unresolved The Coin Weekly - March 26, 2026 Markets Trump Policy Has Crypto Privacy Developers in a ‘Very Bad State’, Says Coin Center The Coin Weekly - March 26, 2026 Markets First Sora, Now Sexy Chat? OpenAI Cancels Erotic ChatGPT Mode The Coin Weekly - March 26, 2026 Markets Bitcoin, Ethereum Slip as Trump Says He’s ‘Not Desperate’ to End Iran War The Coin Weekly - March 26, 2026 Markets Wikipedia Bans AI-Generated Text in Articles Under New Editing Policy The Coin Weekly - March 26, 2026 - Advertisement - You might also like... Markets David Sacks Leaves White House Crypto Role With Key Legislation Still Unresolved The Coin Weekly - March 26, 2026 Markets Trump Policy Has Crypto Privacy Developers in a ‘Very Bad State’, Says Coin Center The Coin Weekly - March 26, 2026 Markets First Sora, Now Sexy Chat? OpenAI Cancels Erotic ChatGPT Mode The Coin Weekly - March 26, 2026