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Preventing email spam was in fact the original use case for proof of work. https://en.wikipedia.org/wiki/Hashcash https://en.wikipedia.org/wiki/Hashcash
by jonas21 6y ago
Preventing email spam was in fact the original use case for proof of work.
https://en.wikipedia.org/wiki/Hashcash https://en.wikipedia.org/wiki/Hashcash
- _heimdall 6y agoThis was the inspirstion for nano's use of proof of work too. They don't use PoW for the chain itself but do require every transaction to include a small proof of work to avoid spamming the network, almost identical to hashcash.