On July 4, 2025, eight Bitcoin wallets from the Satoshi era moved a total of 80,000 BTC, each containing 10,000 BTC. This activity led to speculation regarding possible quantum threats and a security breach, as the funds were transferred to new SegWit addresses thought to be more secure. Additionally, within ten days, the wallet owner sent 28,600 BTC, valued over $3 billion, to Galaxy Digital, resulting in a 5% decline in Bitcoin's price. Experts warn that quantum computers could compromise Bitcoin’s security by breaking the cryptography that protects wallets. Many dormant wallets are especially vulnerable, with an estimated 5.9 million BTC at risk due to outdated address formats. The recent transfer involved coins that were quantum-safe at the time due to their prior transactions. Speculation surrounds the identity of the whale, with theories pointing to Roger Ver due to his past involvement with Bitcoin and recent legal troubles. Furthermore, OP_RETURN messages were added to the blockchain during this period, raising curiosity about their intent, which may relate to a spam campaign rather than an actual hack.

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