Ruben @RubenSomsen joined @AaronvanW and me again to explain utreexo, a way to sync nodes with extremely little RAM, at the expense over more bandwidth:

I'm still in the early days of thinking this through, but this idea from @RubenSomsen looks really excellent:

(Deliberately linking the tweet, because I believe you really need the diagram most of all to understand the idea, there is a gist linked in there too).

Basically coinswap with 2 instead of 4 transactions. This was always the dream for me, and it nicely connects with recent work on single signer ECDSA adaptors.

#bitcoin #coinswap

Check out this excellent presentation from @SeoulBitcoin meetup co-organizer @chrispalasz, talking about how can move forward and an overview of upcoming technical improvements such as Schnorr.


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