CHILDERS/VIDEOS_KHANBitcoin: DigSIG/TRANS REC/ PROOF
Flashcard
•
Social Studies
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
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23 questions
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1.
FLASHCARD QUESTION
Front
What is a digital signature?
Back
A digital signature is a mathematical mechanism that combines a public sequence of numbers with a digital message.
2.
FLASHCARD QUESTION
Front
In a digital signature scheme, what keys does Alice generate?
Back
Alice generates a signing key (private) and a verification key (public).
3.
FLASHCARD QUESTION
Front
How is a digital signature created?
Back
The signature is derived from the message and the signing key.
4.
FLASHCARD QUESTION
Front
What inputs are needed for the verification process of a digital signature?
Back
The verification process uses the message, the signature, and the public verification key.
5.
FLASHCARD QUESTION
Front
In the context of Bitcoin, what is a transaction?
Back
A digitally-signed declaration of intent to transfer bitcoins
6.
FLASHCARD QUESTION
Front
In the Bitcoin ecosystem, what does a pseudonym correspond to?
Back
A public verification key
7.
FLASHCARD QUESTION
Front
What is the purpose of using cryptographic hash functions in a Bitcoin transaction?
Back
To verify the chain of ownership of bitcoins
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