SHA-256 - Algorand Specifications

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Algorand uses SHA-256 algorithm to allow verification of Algorand’s state and transactions on environments where SHA-512/256 is not supported.

In Algorand, the SHA-256 algorithm is used to:

Compute the hash of the previous Light Block Header (prev) (see Ledger normative specification);
Generate an additional commitment (txn256) of the transactions included in the block ( payset) (see Ledger normative specification).