Cryptography Considerations Flashcards
1
Q
What is a blockchain?
A
A shared, unchanging ledger for recording transactions, tracking assets, and building trust.
Note: Related to things like Bitcoin
2
Q
What is a public ledger?
A
A record-keeping system that maintains information on participant identities, their cryptocurrency balances, and their genuine transactions. This information is secure and anonymous.
Note: This is part of the Bitcoin peer to peer network. It is decentralized.
3
Q
What are ephemeral keys used for?
A
Short lived keys for WPA3 to create perfect forward secrecy.
4
Q
What is homomorphic encryption?
A
An encryption method that allows calculations to be performed on data without decrypting it first. Can be used for privacy-preserving outsourced storage and computation.
