OP codes, false choices.

https://old.reddit.com/r/btc/comments/96fxvy/op_checkdatasig_is_copying_blockstream_and_is/

This recent post is frusterating because it is presenting a black/white choice between two different OP_CODES that perform two different functions entirely. What is up with this? To compare these as mutually exclusive is simply wrong.

OP_CHECKDATASIG

signature, message hash, pubkey 

OP_CHECKDATASIG verifies the message hash (not pre-image) with the raw pubkey. OP_CHECKDATASIG would be used when the message should be hidden from the blockchain and be passed between a service and the user.

OP_DATASIGVERIFY

signature, message, pubkey hash 

OP_DATASIGVERIFY verifies the raw message with the pubkey address. These functions would be used for entirely different purposes. OP_DATASIGVERIFY would be used when the message contents are not sensitive, but the pubkey is desired to be hidden.

Formatting edited

submitted by /u/-sagas
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source https://www.reddit.com/r/btc/comments/96nu9e/op_codes_false_choices/