The article actually hints that Firefox (not Chrome) and Edge used the same RNG. The article says &quot;LCG imported from Java decades ago&quot;, but actually Java(OpenJDK)&#x27;s java.util.Random still uses the same RNG today, and it&#x27;s not that surprising Edge also used it.<p>The generator (LCG with multiplier 0x5DEECE66D) is not bad. Its main problem is that it has only 48 bits of state.