Quiz: Blockchain Fundamentals

Test your knowledge of blockchain and cryptocurrency concepts.

Blockchain ledger knowledge check

Technical Quiz
1.

(Select all that apply.) What is true about the world state of a blockchain ledger?

A.

It is permanent.

B.

It is a set of key-value pairs.

C.

It is made of blocks.

D.

It contains redundant information.


1 / 3

Consensus mechanism knowledge check

Technical Quiz
1.

What is a node mempool?

A.

The amount of memory of a node.

B.

The number of transactions a node can add to a block.

C.

A holding area for transactions.

D.

A holding area for invalid transactions.


1 / 3

Cryptocurrency knowledge check

Technical Quiz
1.

What is cryptocurrency?

A.

The current state of a blockchain

B.

The way nodes agree on the block ordering

C.

The process of issuing new coins from block validation

D.

A digital asset tied to blockchain accounts


1 / 3