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The White House wants to 'cryptographically verify' videos of Joe Biden so viewers don't mistake them for AI deepfakes
(www.businessinsider.com)
This is a most excellent place for technology news and articles.
So basically Biden ads on the blockchain.
Cryptography ⊋ Blockchain
A blockchain is cryptography, but not all cryptography is a blockchain.
...no
Think of generating an md5sum to verify that the file you downloaded online is what it should be and hasn't been corrupted during the download process or replaced in a Man in the Middle attack.