Blockstream Researcher Proposes Quantum-Resistant Bitcoin Signature Scheme
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Blockstream researcher Jonas Nick proposed SHRIMPS, a hash-based, multi-device post-quantum signature scheme for Bitcoin producing ~2.5 KB signatures (about 3x smaller than SLH-DSA). - Shrink in signature size and multi-device support could reduce on-chain footprint and aid protocol upgrade/adoption for crypto wallets and Bitcoin security. - Google’s quantum whitepaper warns Bitcoin encryption may be breakable with far fewer qubits, increasing urgency for post-quantum migration and highlighting security risk.
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- Blockstream’s Jonas Nick introduces SHRIMPS, a multi-device post-quantum signature scheme.
- SHRIMPS produces 2.5 KB signatures, three times smaller than the current SLH-DSA standard.
- Google’s quantum whitepaper shows Bitcoin’s encryption may break with far fewer qubits.
A Blockstream researcher, Jonas Nick, has proposed a new quantum-resistant signature scheme designed for Bitcoin. The proposal aims to support secure multi-device signing while keeping signature sizes smaller than current post-quantum standards.
SHRIMPS Introduces Multi-Device Quantum Signatures
In a recent tweet post, Jonas Nick introduced SHRIMPS, describing it as a hash-based construction. It allows multiple devices loaded from the same seed to independently generate signatures of around 2.5 KB.
This is roughly three times smaller than the current post-quantum standard SLH-DSA, which produc…
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