Hashcash
AssessTechniques
A proof-of-work scheme originally proposed to reduce email spam.
Why it's here
Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.
Evidence (1)
- 4Hacker News·9/6/2026open_sourceAnubis ships WebAssembly support after a year
Anubis, a proof-of-work anti-scraping system, added WebAssembly support after a year of development. The project uses JavaScript-based challenges and Hashcash-style proof-of-work to make large-scale scraping more costly while trying to preserve access for legitimate users.