Threshold Schnorr Signatures

Andrew Poelstra gave a nice talk yesterday on a threshold (m of n) schnorr signature scheme, and has kindly put the slides online here.

I am woefully unequipped to summarize it, but it looks quite nice, and I believe it is compatible with mimblewimble.

Slides: http://diyhpl.us/wiki/transcripts/sf-bitcoin-meetup/2019-02-04-threshold-signatures-and-accountability/

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