Online Blockchain Quiz Questions With Answers
Blockchain Quiz Questions is one of the largest searchable categories across the world. keep reading and practicing for tests, exams, and interviews for professional fields. there are thousands of selected questions with answers.
In Blockchain, what does a node mean ??
(A) An exchange
(B) A type of cryptocurrency
(C) A blockchain
(D) A computer on a Blockchain networkAnswer
A blockchain node is an open-source, cross-platform runtime that allows developers to create various services. The P2P protocol allows nodes to communicate with each other within the network and transfer information about transactions and new blocks. … Each node can store a complete copy of the distributed ledger
What does Asymmetric Encryption use ??
(A) Public and private keys
(B) Proof of stake
(C) Public keys only
(D) Only private keysAnswer
Asymmetric encryption uses a mathematically related pair of keys for encryption and decryption: a public key and a private key. If the public key is used for encryption, then the related private key is used for decryption; if the private key is used for encryption, then the related public key is used for decryption
P2P stands for ??
(A) Product to Product
(B) Peer to Peer
(C) Password to Password
(D) Public key to private keyAnswer
Who is the founder of “Bitcoin” ??
(A) Warren Buffet
(B) Satoshi Nakamoto
On which Blockchain Bitcoin is based ??
(D) Public PermissionedAnswer
Cryptocurrency is stored in ??
(A) Compact Disk
(B) Bank account
Blockchain can be stored as which of the following ??
(A) A Database
(B) A flat file
(C) both (a) and (b)
(D) None of theseAnswer
The least safe place to keep your Cryptocurrency is ??
(A) On an exchange
(B) in your pocket
(C) Floppy Disk
(D) None of the aboveAnswer
This discussion on Where is the LEAST SAFE place to keep your Cryptocurrency? a)In your pockets)On an exchange)On a hot wallet)At your work desk, correct answer is option ‘B’
Blockchain forks can result in which of the following ??
(A) Multiple children block
(B) Multiple parent block
(C) Both (a) and (b)
(D) None of theseAnswer
What is a miner in terms of Blockchain?
(A) transactions picking algorithm
(B) Calculations to verify transactions
(C) Computers that validate and process blockchain transactions
(D) A type of blockchainAnswer
Blockchain mining involves adding transactions to the existing blockchain ledger of transactions distributed among all users of a blockchain. … Mining involves creating a hash of a block of transactions that cannot be easily forged, protecting the integrity of the entire blockchain without the need for a central system