Hashcash

Summary

Hashcash is a cryptographic protocol^[1]. Hashcash ranks in the top 9% of cryptographic_protocol entities by monthly Wikipedia readership (626 views/month).^[2]

Key Facts

• Hashcash is credited with the discovery of Adam Back^[3].
• Hashcash's instance of is recorded as cryptographic protocol^[4].
• Hashcash's instance of is recorded as software^[5].
• +1997-00-00T00:00:00Z marks the founding of Hashcash^[6].
• Hashcash's Freebase ID is recorded as /m/02qsnf^[7].
• Hashcash's official website is recorded as http://hashcash.org/^[8].
• Hashcash's described by source is recorded as Hashcash - A Denial of Service Counter-Measure^[9].
• Hashcash's uses is recorded as proof of work^[10].
• Hashcash's Debian stable package is recorded as hashcash^[11].
• Hashcash's Microsoft Academic ID is recorded as 2777880531^[12].
• Hashcash's Homebrew formula name is recorded as hashcash^[13].

Body

Works and Contributions

Hashcash is credited with the discovery of Adam Back^[3].

Why It Matters

Hashcash ranks in the top 9% of cryptographic_protocol entities by monthly Wikipedia readership (626 views/month).^[2] Hashcash has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.^[14]

Hashcash has been cited as an influence by Anubis^[15], a computer program^[16], founded in 2025^[17].

FAQs

Who did Hashcash influence?

Hashcash has been cited as an influence by Anubis^[15].