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One of the key features of Bitcoin’s blockchain technology is the SHA-256 hash ...
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One of the key features of Bitcoin’s blockchain technology is the SHA-256 hash function it uses to solve the cryptographic puzzle. Which of the following I. The hash output is of predetermined length, regardless of the input. The SHA-256 hash function always produces a string that is 64 characters long (=256 bits). III. By changing the input of this hash function a little bit and observing the variation in the patterns of the hash output one can potentially determine the input of this function.