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Bitcoin vulnerability concentrated in old reused public keys and early dormant addresses

March 31, 2026Kyledoops, BSCN, Ran Neuner

Kyledoops argues the quantum threat is not immediate for active users, but is concentrated in older wallets with reused or exposed public keys and early dormant addresses, reframing the risk as address hygiene and migration planning.

but this isn’t a $BTC problem today.
Where the actual risk sits:
• Older wallets with reused or exposed public keys
Kyledoops
BSCN
Ran Neuner
Mac
wallet securitypost quantumpost quantum

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