> It's not about sha256 being broken or not, but about the way it is being used for mining (being used incorrectly != broken hashing algo). Even though I agree,

> It's not about sha256 being broken or not, but about the way it is being used for mining (being used incorrectly != broken hashing algo). Even though I agree, if it was being used improperly we would have noticed by now - I could have chosen a better example. It's being used absolutely correctly for mining. Proof of work needs to be extremely easy to validate. You want the fastest hash possible, not the slowest.