🤖 Is Mythos a bigger security threat than quantum?

Anthropic's Mythos AI is making crypto's security problem look very different. Plus: Strategy is 182K BTC from its 1 million target, and Luka Modrić is now in crypto. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ Monday, April 27, 2026 How Anthropic's Mythos model is forcing the crypto industry to rethink everything about security Anthropic's Mythos — the AI model built to simulate adversaries rather than scan for known bugs — is pulling DeFi's security focus away from smart contracts and into the infrastructure beneath them: key management systems, signing services, bridges, and oracle networks. Mythos chains together small weaknesses across interconnected protocols, turning isolated flaws into systemic exploits. Coinbase, Binance, and JPMorgan have all reportedly approached Anthropic for access. DeFi leaders say the model will arm both attackers and defenders — and widen the gap between projects that treat security as continuous and those that treat it as a one-time audit. Read the full story → Sponsor message Markets Michael Saylor's Strategy buys 3,273 bitcoin as it inches closer to its 1 million target Strategy added 3,273 BTC for roughly $255 million at an average of $77,906 per coin, bringing total holdings to 818,334 BTC acquired for $61.81 billion at a $75,537 average. Saylor also reported a 9.6% bitcoin yield year-to-date in 2026. The firm is now less than 182,000 BTC away from its stated target of 1 million coins. Strive CEO Matt Cole also announced a separate purchase of 789 BTC at $77,890 average, lifting Strive's total holdings to 14,557 BTC valued at nearly $1.13 billion. Read more → Sponsored by CoinW Modrić-endorsed CoinW uplifts the game: legendary midfielder meets crypto's long-term vision CoinW has named Luka Modrić — Ballon d'Or winner and six-time UEFA Champions League champion — as its global brand ambassador, framing the partnership around shared values of resilience, long-termism, and disciplined growth. The exchange, founded in 2017 and now serving 20 million+ users, is using the deal to drive crypto education and onboarding for football fans ahead of the 2026 FIFA World Cup. An "Earn Your Legacy" trading competition is planned alongside curated World Cup content. Read more → Consensus Miami · May 5–7, 2026 Join CoinDesk at Consensus Miami, where agentic commerce, crypto at scale, and institutional integration are redefining the future of finance. Save 20% with the code HEADLINES Get your pass → Know someone who should be reading this? Share this newsletter See all of CoinDesk’s newsletters    CoinDesk, Inc., 61 9th Avenue, 5th Floor, New York,NY,10011,USA, Unsubscribe Manage Preferences   Copyright © 2026 CoinDesk, All rights reserved.