Bitcoin
1. Double spending is:
The risk that a hash could be the same for two block
The risk that a Timestamp could be the same for two transaction
The risk that a digital currency can be spent twice
2. Proof-of-Work solve the determining representation problem by:
One-IP-address-one-vote
one-GPU-ONE-VOT
one-CPU-one-vote
2&3
1&2
3. What is the Secure Hash Algorithms that Bitcoin using:
SHA-512
SHA-521
SHA-265
SHA-256
4. -------- is the access to your Wallet Bitcoin and can be used to spend
Public key
Private key
Digital Signatures
Not from all of the above
5. Digital keys are produced by a cryptographic algorithm and are totally independent of the blockchain network
True
€‹â€‹False
6. Find the error
first line
Second line
Third line
First & second line
No error
{"name":"Bitcoin", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Test your understanding of Bitcoin with our engaging quiz designed for enthusiasts and learners alike!Features:6 challenging questionsMultiple choice formatLearn and verify your knowledge about Bitcoin concepts","img":"https:/images/course3.png"}
More Quizzes
Bitcoin quiz
1050
Bitcoin Masters Quiz
17816
Cryptocurrency and Halal Compliance Quiz
10523
DIGITAL CURRENCY AND PAYMENT SYSTEM exam
1477
Blockchain
10513
HOW TO BITCOIN MINING
11610
Polygon
4299
Bitskwela Quiz
10533
On Ramp Quiz
10516
Bitcointalk activity, account ranks, and Merit
15842
BLOCKCHAIN
10521
E-Payment Systems
301534