https://www.erisian.com.au/wordpress/2004/02/07/email-fees-and-viruses
“The real benefits of email postage compared to other money-based solutions is that it’s broad-based and fair (no one has to...
Also makes sense to fight again email spam some sort of Proof of Cashu, sending 1 sat per email. Thinking in this idea can be really useful for a bunch of stuff.
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