Questions on the Bitcoin Whitepaper

Attempts left: 2

Please answer the 3 questions below. You have 2 attempts. After the first attempt, the questions will randomly change.

How does Satoshi define an electronic coin?

As digital fingerprint of data

As a chain of digital signatures

As an equivalent to the US Dollar

As the private key of a user

Which chain is considered to be the correct one by the nodes?

The shortest chain

The longest chain

The side-chain

Their own chain

How many inputs and outputs can a Bitcoin transaction have?

Either a single or multiple inputs and at most two outputs

At most two inputs and at most two outputs

At most two inputs and either a single or multiple outputs

Either a single or multiple inputs and either a single or multiple outputs