According to @caprioleio, citing Deloitte, roughly 25% of all BTC may be vulnerable to quantum attacks, creating a material at-risk supply overhang for the market; source: @caprioleio on X, citing Deloitte. The author warns that unless coins migrate to quantum-resistant addresses, the Bitcoin community may face a decision to effectively burn non-migrated coins or risk billions to trillions of dollars in market-dumped supply this decade; source: @caprioleio on X. Traders should monitor Bitcoin Core and BIP discussions about quantum-resistant signature schemes and address-migration plans, using NIST’s standardized post-quantum algorithms (such as CRYSTALS-Dilithium and Falcon) as reference points for any potential upgrade path; source: NIST Post-Quantum Cryptography Standardization, Bitcoin developer process. To gauge changing risk perceptions, track BTC options implied volatility and skew on CME and Deribit around quantum-security headlines; source: CME and Deribit market data.