So excited for the latest work threshold DSA work from @rgennaro67 and @sgoldfed, and humbled to make the motivating intro @keep_project. Huge protocol improvements in the pipe thanks to this!
You should give the paper a read, but the TL;DR for the cryptocurrency space is a stronger, "off-chain" approach to multisig that's indistinguishable from single-sig.
The approach by the same authors in 2018/19 meant an efficient approach to threshold ECDSA. But using it meant losing "identifiable abort"- knowing which participant refused to take part in a particular signature.
This might seem like a small change, but it is going to explode the design space we've explored in #tBTC, and hugely improve cross-chain communication between Bitcoin-era chains and newer technology. Better, faster, cheaper, safer- and with less collateral.
We're starting work on a grade A, audited implementation of this paper in Go. If you're interested in getting involved as a dev or funder, HMU! @gnosisPM @crosschaingroup @keep_project @cz_binance @_prestwich @zmanian
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