Mod 15 Blockchain and Cryptocurrency

Proof of ______ uses data storage instead of computing power.

Capacity

A ______ is the smallest unit of Bitcoin (1/100,000,000 of a Bitcoin).

Satoshi

______ mines the majority of Bitcoins. This can lead to a 51% attack.

China

______ is the second most popular cryptocurrency.

Etherium

Proof of ______ allows miners to only mine the percentage of block equal to the percentage of coin they own at the time.

stake

A ______ is a non-monetized and growing list of transactional records linked by cryptography. In this form it does not represent currency.

blockchain

The US dollar is an example of ______ currency. This kind of currency is issued and backed by a government.

fiat

Bitcoins are stored in a Bitcoin ______ but you have to purchase Bitcoins at a Bitcoin ______.

wallet, exchange

Proof of ______ requires miners to spend coins to be more likely to mine the next block.

burn

Whoever created Bitcoin goes by the name (2 words) ______.

Satoshi Nakamoto

Requiring another ______ in front of a transaction block hash roughly doubles the amount of time it takes to generate that hash.

Zero

Proof of ______ uses Intel software to create a lottery system to decide who gets a chance of mining the next transaction block.

time

Bitcoin software keeps the rate of proof of work solutions close to a solution time of ______ minutes. In reality it's about 30 seconds faster than this goal.

10

Each transaction in blockchain block is a ______.

token

Bitcoin miners get paid by ______ fees and ______ generation (also known as generation fee).

transaction, coinbase

A ______ is a value that makes a blockchain transaction block meet the criteria of having a certain number of leading zeros when hashed.

nonce