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Thu 星期四
05.08
2025
Lattice-based signature aggregation https://ethresear.ch/t/lattice-based-signature-aggregation/22282
David Nevado et al. explore lattice-based signature aggregation techniques in the paper , proposing a method to replace BLS signatures in the post-quantum era, with a focus on the efficient aggregation and verification performance of Falcon signatures. David Nevado等人在论文中探讨了格基签名聚合技术，提出了一种在后量子时代替代BLS签名的方法，重点分析了Falcon签名的高效聚合及其验证性能。
Notes
- BLS signatures are insecure in the quantum computing era, requiring post-quantum alternatives.
- LaBRADOR is a lattice-based scheme that can aggregate Falcon signatures (quantum-resistant).
- 10k signature aggregation results: 74KB proof, 5.95 seconds generation, 2.65 seconds verification.
- Verification bottleneck: 90% time spent on serial step simple_reduce.
- Compared to hash-based schemes (e.g., STARKs): verification is fast (106ms) but proofs are large (1.7MB).
- Advantages of LaBRADOR: small proof size; disadvantages: slower verification than hash schemes.
- Future directions: optimize parallel verification or combine with delegated proof techniques.