⭐ Merited by Cricktor (1)
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To my knowledge and if the used browser does support it, the iancoleman.html script uses strong cryptography randomness functions when they are available, not only math.random(). Rather crypto.getRandomValues() is used which should give randomness more like a CSPRNG (cryptografically safe pseudo random number generator). crypto.getRandomValues() is considerably better than math.random(), though I'm no expert in this field.
Yeah, you are correct. I mentioned function commonly used at the development of general-purpose apps as my brain was focused on JavaScript itself rather than on Ian Colman mnemonic which uses in browser window.Crypto.getRandomValues. However even the latter does not guarantee that relevant numbers are truly random.
Quote from: https://github.com/bitcoinjs/bitcoinjs-lib
