hashcash

Proof-of-work algorithm to counter denial-of-service attacks

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About

Proof-of-work algorithm to counter denial-of-service (DoS) attacks

Commands

hashcash

Examples

Generate a hashcash stamp for an email address$ hashcash -c 20 user@example.com
Verify a hashcash stamp$ hashcash -c 20 -v stamp_string_here
Generate a stamp with custom bits of work$ hashcash -b 25 resource@domain.com