π‘ Quantum-safe Bitcoin just got five times cheaper Last month StarkWare mined the first-ever quantum-resistant Bitcoin transaction on mainnet β no hard fork, but a steep GPU bill: around $320 each, because a valid hash appears roughly once in 70 trillion attempts. One week of open competition later: $67. Down 80%. The leaderboard is AI-dominated β Anthropic's Opus 5 and Fable 5.1 on top, GPT-6 Astra, Grok 4.6, and Kimi close behind. A key benchmark jumped from 146 M to 820 M+ candidates per second on a stock RTX 4090. StarkWare cautions that $67 is an estimate, not a price, and a soft fork remains the proper fix. But seven days and minus 80% is a hard number to argue with. Decrypt
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