Coinbase is developing a post-quantum custody system and funding efforts to upgrade Bitcoin's underlying cryptography, aiming to protect user assets against future computing threats. The exchange acknowledges that quantum computers capable of breaking Bitcoin's current cryptographic protections do not yet exist and stresses that the danger is not imminent. However, it argues that preparation should begin well before such machines arrive, given the long timelines involved in overhauling a decentralized network's security standards. By investing in quantum-resistant solutions now, Coinbase positions itself to safeguard custodied holdings and support broader network resilience. The initiative reflects growing industry attention to the theoretical risk that advances in quantum computing could eventually compromise the cryptographic algorithms securing Bitcoin wallets and transactions, prompting exchanges and developers to explore defensive measures ahead of any practical threat materializing.
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