cryptanalytic attacks are more likely.
Discussion
Do you have any extra reads? I have a new bitcoiner expressing concerns
https://en.m.wikipedia.org/wiki/Grover%27s_algorithm
Grover’s algorithm is currently the best known algorithm for attacking *symmetric/one-way* cryptosystems using QC. It reduces the bit-security by half, so SHA256 would have 128 bit security, which is good.
Flaws in the hash, like a bias, are more likely to be abused (cryptanalysis).
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