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🥞 add note on PREVRANDAO

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bt3gl 2022-09-23 13:45:52 -07:00 • committed by GitHub
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vulnerabilities/random_numbers.md
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@ -2,7 +2,12 @@
<br>
* post-merge, the `BLOCKHASH` opcode will still be available for use, but given that it will no longer be forged through the proof of work hashing process, the pseudorandomness provided by this opcode will be much weaker.
### post-merge notes
<br>
* `BLOCKHASH` opcode will still be available, but given that it will no longer be forged through the proof of work hashing process, the pseudorandomness provided by this opcode will be much weaker.
* `DIFFICULTY` is renamed to `PREVRANDAO`, and return the output of the randomness beacon provided by the beacon chain. It's stronger than `BLOCKHASH` but still biasable.
<br>