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The core issue revolves around the vulnerabilities introduced by the latest Bitcoin address type—Taproot addresses, which have been in use since November 2021. These addresses, while enhancing privacy and efficiency, inadvertently expose their public keys directly in blockchain transactions, making them more susceptible to quantum attacks than older address formats like native SegWit addresses.
The Urgency of Address Security
How Do Quantum Attacks Work?
Quantum attacks on Bitcoin can generally be categorized into two types: