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hathix/proof-of-work.js

Created February 1, 2020 23:16
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Bitcoin mining simulation
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proof-of-work.js
// Simulating Bitcoin's Proof-of-Work mining algorithm
// The challenge: choose a nonce that, when appended to "hello",
// yields an MD5 hash with at least 4 leading zeroes
for (let i = 0; i < 1000000; i++) {
out = md5("hello" + i);
if (out.startsWith("0000")) {
console.log(i, out)
}
}
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