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Bitcoin's post-quantum upgrade may reveal Satoshi's true Bitcoin holdings, says Blockstream CEO Adam Back.

Market News
16 Apr 2026
Cointelegraph
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At Paris Blockchain Week, Blockstream CEO Adam Back stated that Bitcoin's future shift to a post-quantum address format could reveal how many Bitcoins Satoshi Nakamoto still controls. This is because owners will need to move their coins to new quantum-resistant addresses, and any coins left unmoved could be considered lost. Satoshi's stash is estimated between 500,000 and 1 million BTC, worth billions today. Back also emphasized that a quantum computing threat to Bitcoin is likely at least 20 years away, giving ample time for developers to implement secure, hash-based signature schemes to protect Bitcoin.

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