>>39653
The proof of work on Kohlchan does not have any monetary value nor will it be executed without the explicit approval of the user.

https://kohlchan.net/.static/src/js/hashcash.js
https://kohlchan.net/.static/src/js/hashcash_worker.js

That function in particular is relevant:

async function guessHash(payload, first, max, onSuccess) {
  for (var cur = first; cur <= max; cur++) {
    if (cur > max) {
      alert("hashcash failure");
      return;
    }
    postMessage({
      'event': 'progress',