quoting- Proof of work was invented to prevent spam.
nevent1q…pva0
- Satoshi used PoW to rate-limit block production.
- Blocks create scarce Satoshis.
- Cashu puts Satoshis into bearer ecash tokens.
- KeyChat (privacy messenger) uses Cashu tokens as stamps to prevent spam.
Full circle adam3us (npub1qg8…24kw).
ChipTuner on Nostr: Most of the spam prevention I keep seeing is going to send us straight to modern SMTP ...
Most of the spam prevention I keep seeing is going to send us straight to modern SMTP where your emails enter a black hole unless you use Google.