Huge milestone from Blockstream Research’s cryptography team!
Congratulations Jonas Nick, Tim Ruffing (Blockstream), and Yannick Seurin (Ledger) on introducing DahLIAS - a breakthrough in Bitcoin signature aggregation using secp256k1.

Read the full paper "DahLIAS: Discrete Logarithm-Based Interactive Aggregate Signatures" here:
https://eprint.iacr.org/2025/692.pdf
For more background on cross-input signature aggregation (CISA) in Bitcoin, see also the nostr:nprofile1qyf8wumn8ghj7cnfw3ehgctrdvhxzursqythwumn8ghj7cmp9ehhyctwvajhq6tvdshxgetkqqs0rxy6jmt44guxkny8z4pkym9mxckqxfytygxuntjn6l80hj409sggjrzcm report by Fabian Jahr:
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