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BlockstreamResearch / cross-input-aggregation

Thoughts on cross-input (signature) aggregation for Bitcoin
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Doable now? #18

Closed EthnTuttle closed 6 months ago

EthnTuttle commented 7 months ago

Is this doable with libsecp256k1 as is currently?

jonasnick commented 7 months ago

There's a module in libsecp256k1-zkp that provides half-aggregation.

EthnTuttle commented 7 months ago

I assume this means full aggregation is still lacking?

EthnTuttle commented 7 months ago

I suppose a better question would be: is full aggregation being worked on anywhere? Is there a reference document or something I can study to better understand it?

real-or-random commented 6 months ago

is full aggregation being worked on anywhere?

Not that we're aware of.

Is there a reference document or something I can study to better understand it?

https://cisaresearch.org/ is the best resource for getting started, but there's not much more on full aggregation.