Bitcoin Magazine Bitcoin’s Quantum Risk Is Real – One Solution Might Start with Taproot

Roughly a quarter of all Bitcoin is exposed to the risk of a quantum attack, tied to public keys that have been revealed on the blockchain. But if that much of the supply is vulnerable, it raises a deeper concern: is trust in Bitcoin’s entire security model at risk?

Imagine waking up, checking your phone, and your bitcoin balance is zero. Not just your cold storage, your exchange balances too. Gone. Overnight, millions of UTXOs drained in a silent, coordinated attack.

It sounds extreme, but this kind of event would be more than just theft. It would be a direct attack on Bitcoin’s value, a public signal that its core cryptography is no longer secure. A state-level actor might attempt something like th

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