CZ proposes freezing Satoshi Bitcoin stash to stop quantum theft Binance founder Changpeng Zhao has proposed freezing up to 1 million Bitcoin linked to Satoshi Nakamoto if those coins remain unmoved after a future transition to quantum-resistant cryptography. - CZ proposed freezing inactive Bitcoin addresses after a future migration to quantum-resistant cryptography. - His plan could affect up to 1 million BTC believed to be linked to Satoshi Nakamoto. - Bitcoin developers remain divided between protecting vulnerable coins and preserving property rights. Speaking during a June 18 appearance on the Galaxy Brains podcast hosted by Galaxy Research President Alex Thorn, Zhao said quantum computing does not pose an insurmountable threat to Bitcoin because quantum-resistant cryptographic systems already exist. Zhao argued that the more difficult task would be coordinating a network-wide migration to those technologies if quantum computers eventually become capable of breaking Bitcoin’s current security model. Speaking about Bitcoin addresses that have remained inactive for years, including those widely believed to belong to Satoshi Nakamoto, Zhao said the network should establish a migration period of roughly six to twelve months after any future upgrade to quantum-resistant cryptography. Under his proposal, holders would be given time to move their coins to protected addresses before legacy addresses are retired. If no movement occurs during that period, Zhao suggested the remaining Bitcoin should be frozen under the new protocol. He argued that allowing vulnerable addresses to remain active indefinitely could eventually result in quantum-capable attackers gaining access to coins whose owners are no longer participating in the network. According to Zhao, such an outcome would create an unfair method of redistributing Bitcoin because ownership would effectively transfer to whoever first develops the ability to crack those addresses. He emphasized that the decision should not be his to make and said any change would