MML202- 2

Blockchain is a network of computers called nodes that all have the same history of transactions.

• True

• False

In blockchain, the data is stored in a digital ledger.

• True

• False

Cryptography is the mathematical and computational practice of encoding and decoding data.

• True

• False

A middleman is involved in blockchain.

• True

• False

On average, _____ transaction of Bitcoin takes place per second.

• two

• one

Cryptocurrency can be used 24/7.

• True

• False