It's 2^28, not 2^56. A hex digit is 4 bits, and we have 7 such digits to match. | Hacker News

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		yuliyp on Sept 11, 2023 \| parent \| context \| favorite \| on: The SHA256 for this sentence begins with: one, eig... It's 2^28, not 2^56. A hex digit is 4 bits, and we have 7 such digits to match.

H8crilA on Sept 11, 2023 [–]

Ugh, you are right. That was a bit embarrassing :)

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