Blockchain QUIZES

Double spending refers to

• spending double

• getting cryptos

• encyption of datas

• faking a single transaction multiple times

Identify the first blockchain network

• Ethereum

• Sepolia

• Bitcoin

• Goerli

Blockchain started in ______ ?

• 2006

• 2007

• 2008

• 2009

Blockchain has distributed

• server

• ledger

• transactions

• networks

Blockchain is has cryptographic algorithms

• Yes

• No

Smart contract runs under which network ?

• Goerli

• Polygon

• Sepolia

• Ethereum

Is Smart contract a immutable ledger ?

• Yes

• No

Public key is a

• Unique identifier in network

• used for transactions

• used to decrypt the data

• All of the above

Blockchain is very secure

• Yes

• More than the present technologies

• No

Leo Trailer was released on?

• 6th October

• 5th October

• 7th October

• 4th October