Bitcoin
Tor
Nostr
Ecash
Torrent
Signal
What a life.
Ecash?
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https://sceweb.sce.uhcl.edu/yang/teaching/csci5234WebSecurityFall2011/Chaum-blind-signatures.PDF
https://cashu.space/
Ah so gnu taler is in the same page with ecash. Nice to hear that. I like it.
