1. Transaction
2. Timeout
3. Contract
4. Address
5. Emergency
A process of sending or receiving data or money.
A unique code to identify a place or account in blockchain.
A delay causing a process to stop if it takes too long.
A set of rules in blockchain that runs automatically.
A sudden serious situation needing quick action.
Drag the cards on the right so each lines up with the correct item on the left.