Instructions: Match each term to its correct definition.

$1$

Blockchain

$3$

Blocks

$4$

Proof$-$of$-$stake

$5$

Proof$-$of$-$work

Distributed

$6$

computing

$7$

Immutable

$8$

Ledger

$9$

Hash

Match each of the options above to the items below.

Processes and manages algorithms across many machines in a computing environment

A requirement to define an expensive computer calculation, also called mining, that needs to be performed in order to create a new group of trustless transactions $($blocks$)$ on the distributed ledger or blockchain