Ki Young Ju, founder of CryptoQuant, has proposed that a future Bitcoin (BTC) quantum upgrade may require freezing old addresses to protect against potential theft by quantum computers.
He also believes that addressing the risk would be challenging because the crypto community has historically struggled to agree on protocol changes.
Solution to Quantum Risk
In a social media post, Ju explained that anyone holding BTC in old address types faces the same risk. This is because the digital assets could either be frozen by design or stolen if quantum machines evolve enough to break BTC’s cryptography. He added that even securely stored private keys could become useless if owners fail to adopt protocol upgrades in time.
“In simple terms, coins that appear perfectly safe today could become spendable by an attacker tomorrow,” warned Ju.
In response to the threat, the CryptoQuant founder has suggested freezing old addresses, including the one containing Satoshi’s 1 million BTC, to pre
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