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I'm wondering what algorithm is used to generate the unique address icon that Mist, MEW, Parity and Etherscan use.

Here are some examples:

enter image description here enter image description here

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  • Wow. I googled "avatar" and "icon" but not "pictures". Thanks!
    – marceloneil
    Commented Aug 20, 2017 at 19:27
  • No problem. I cheated by remembering I'd seen a similar question in the past :-)
    – Richard Horrocks
    Commented Aug 20, 2017 at 19:29

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There are many, one popular is Identicon, making use of Identicon.js. If you need something more graphical, you could even use Robohash ;)

They all base on the same principle: Take a hash of whatever, and generate a picture out of it.

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