Is Bitcoin Ready for Q-Day? CryptoQuant CEO Says the Real Bottleneck Isn’t Technical

The potential threat of quantum computing to Bitcoin's cryptography, often termed "Q-Day," is less about technical feasibility and more about the community's ability to agree on necessary changes. CryptoQuant CEO Ki Young Ju revived debate by suggesting that a quantum upgrade might require freezing vulnerable coins, including Satoshi Nakamoto's estimated 1 million BTC and millions more in old addresses, which conflicts with Bitcoin's core ethos of immutability. Ju compared this potential social deadlock to past contentious events like the block size debate, warning that failure to agree could lead to competing forks. While developers can create cryptographic upgrades relatively quickly, achieving widespread social consensus is the slower, uncertain bottleneck. Conversely, some analysts believe the quantum threat is decades away, citing the massive computational power required to crack current encryption, and others note that if quantum computing breaks Bitcoin, it will break most of the global digital infrastructure, making the issue broader than just crypto.

(Source：BeInCrypto)