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Assessing the Quantum Threat to Bitcoin w/ Shinobi
Bitcoin Magazine's technical editor Shinobi said a quantum attack on Bitcoin would likely give little warning, appearing either as a fast grab at major exchanges and ETFs or a quiet drain of Satoshi-era coins moved in chunks.
Published:
Updated:
What happened
Bitcoin Magazine's technical editor Shinobi said a quantum attack on Bitcoin would likely give little warning, appearing either as a fast grab at major exchanges and ETFs or a quiet drain of Satoshi-era coins moved in chunks.
Confirmed
Global impact / market context
Quantum computers could eventually derive private keys, the secret codes controlling coins. If exchanges and ETFs are targeted, large holders could lose funds quickly, pushing them to move customer coins into safer address formats and raising costs.
Analyst inference
Investors holding bitcoin directly or through funds face a possible future risk, not a current event. Attention is on how many coins sit in older address types, because those are harder to protect and may need migration.
Analyst inference
What to watch
- Shinobi discusses how many coins are vulnerable and how fast they could move, plus why exchanges would be negligent not to migrate immediately. Confirmed
- Shinobi raises migration, Satoshi's coins, and coins that will not move, suggesting coin owners should consider moving funds to safer address types. Proposed
- Post-quantum signature work and Taproot optionality may shape future Bitcoin upgrades, but consensus changes wait for audits, so timelines stay uncertain. Analyst inference
Affected assets
- BTC — Bitcoin