Blockchain Technology (Basic) Quiz I

1. only i

1. only ii

1. only iii

1. More than one of the above 

1. A blockchain is a centralized digital ledger consisting of records called blocks.

1. A blockchain is a decentralized, distributed, digital ledger consisting of records called blocks.

1. More than one of the above 

1. None of the above

1. Ledger

1. Certificate authority

1. Wallet

1. Hash

1. No hidden fees

1. Fraud control & Access levels

1. Security & Speed

1. All of the Above

1. Transparency

1. Immutability

1. Decentralization

1. All of the Above

Metamask E-Wallet

Wallet

Centralized Server

Bank Acoount

It is a type of server which holds the Centralized Data.

It is a type Directory which holds the Data in Encrypted form.

It is a type of Ledger which holds the data that cannot be change.

It is a type of Ledger which holds the Data that can be Partially changed with some Consensus Protocol.

It is Mathematical Calculation done by Miners.

It can be verified by other peers which is connected in same Network.

It is a Mechanism which can be done by only Admin of the Smart Contract.

Only i & ii

It is type of block which holds the Centralized Data.

It is type of block which have nothing in Hash value.

It is type of block which have unique Hash Value.

It is type of Block which have alphabetical Hash value.

Ture

False

Both

None of these