Homomorphic Encryption: basically, you can encrypt and decrypt only parts of a file at will. So, if you have a database that’s encrypted, rather than having to decrypt the whole thing including data you don’t need, you just decrypt the record you need. IBM has already released tools to use them in your application. The huge impact part comes from better security in the services you use each day.
This lookup request isn’t encrypted so the websites you lookup can be tracked. With DoH, that request is encrypted with the same technology used to secure the connection you make with the servers you visit all the time. You can use DoH in Firefox and I think chrome, although only a few DoH services exist just now.
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