Blockchains & Cryptocurrency

Question 1

How often are new Bitcoins added to the blockchain?

Answer 1

About every 10 minutes

Question 2

What is the size of a Bitcoin public key?

Answer 2

512-bit

Question 3

What is the size of a Bitcoin private key?

Answer 3

256-bit

Question 4

This aspect of blockchain involves solving a complex mathematical puzzle with proof of work when calculating the block address needed to add a block to a blockchain?

Answer 4

Block mining

Question 5

A __________ is a distributed database that is shared among the nodes of a computer network

Answer 5

Blockchain

Question 6

A form of digital currency that is created and held entirely electronically instead of being printed?

Answer 6

Cryptocurrency

Question 7

These are programs stored on a blockchain that run when predetermined conditions are met; they typically are used to automate the execution of an agreement so that all participants can be immediately certain of the outcome, without an intermediary’s involvement or time loss

Answer 7

Smart contracts