Sha256 is a hashing algorithm.

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which memory hard hashing algorithm can equalize low-computational and high-computational power devices to utilize blockchain in the IoT?

Recently IBM and Microsoft showed their interest (IBM post, Microsoft post) in utilizing bitcoin's blockchain for internet of things (IoT) development. Let's assume that in close future the blockchain ...
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In DNSSec, are Delegation Signer Records always SHA-1?

I'm creating a RSA/SHA-512 Zone Signing Key and Key Signing Key at Dynect Managed DNS (corporate offering) The Delegation Signer Record that was created is SHA1. Should I be concerned about this?