SLH-DSA is one of the top contenders for a post-quantum signature scheme on Bitcoin. I spent the last few months researching known and novel ways to make it faster, so that future bitcoin clients and wallets won't come to a screeching halt anytime you try to generate keys, sign data, or verify transactions.

Note this doesn't make its signatures any smaller - this article is only concerned with maximizing speeeeeed

For tips and tricks to reduce signature size, stay tuned for my next writeup.