The short version
CPU-friendly client puzzle used for Tor DoS protection.
From the HackerLinks archive
Equi-X
CPU-friendly client puzzle used for Tor DoS protection.
At a glance:
First seen:2026-05-04
Last seen:2026-05-04
Times seen:1
Website:github.com
Why it caught our attention
A Monero-thread commenter noted Tor now uses an Equi-X derivative.
Where it surfaced on Hacker News
2026-05-04
Editorial paraphrase
A commenter wrote: "PoW is useful in far more situations than PoS. A derivative of RandomX is now used to protect TOR too (Equi-X)."
Original threadHow Monero's proof of work works
Also surfaced in this discussion
RandomX.js
How Monero's proof of work works
2026-05-04