A new proposal called Project Eleven outlines a post-quantum cryptographic proof system that could help Bitcoin users recover their wallets after a quantum computing attack known as Q-Day. The system would allow users to verify ownership of funds even if the underlying cryptographic keys were compromised.
The proposal addresses a growing concern in the cryptocurrency community about the eventual threat posed by quantum computers. Quantum computers with sufficient power could potentially break the elliptic curve cryptography that secures Bitcoin wallets, allowing attackers to derive private keys from public addresses.
The Project Eleven system would create a secondary proof mechanism that users could employ to demonstrate ownership of funds independently of the compromised key infrastructure. This would provide a recovery path for affected users while the network transitions to quantum-resistant cryptographic standards.
The timing of the proposal is notable because July 16 marks the 16th anniversary of a Satoshi Nakamoto post outlining the code-upgrade mechanism developers are currently deploying to address the quantum threat. The original post described how Bitcoin could be upgraded through a soft fork, a process now being applied to quantum resistance planning.
While practical quantum computers capable of breaking Bitcoin cryptography are likely still years away, the cryptocurrency community has been actively preparing for the eventuality. Developers have been working on quantum-resistant signature schemes and upgrade mechanisms that could be activated when the threat materializes.
Project Eleven emphasizes that the recovery mechanism would need to be implemented before a quantum attack occurs, as it requires users to generate additional proof data while their existing keys are still secure. The proposal is part of a broader effort to ensure Bitcoin’s long-term viability in a post-quantum world.
This article was adapted from Decrypt. Read the original here.
