CoinShares: Only 10,230 Quantum-Exposed Bitcoin Present a Realistic Attack Target

On a Friday post, CoinShares researcher Christopher Bendiksen argued that just 10,230 of 1.63 million quantum-exposed Bitcoin sit in addresses large enough to be attractive for an attack. He claimed most at-risk coins are in smaller wallets that would each take around a thousand years to crack, even under highly optimistic assumptions about quantum computing progress.