A paper wallet is a way of storing cryptocurrency in which the public address and private key are printed out on paper. It is a form of cold storage that is kept offline, away from the internet.

A blockmaker is a professional participant in a decentralized network who stores a full copy of the blockchain and helps maintain its operation, verify transactions and form new blocks.

Blockchain is a distributed database in the form of a chain of linked blocks. Its records are protected by cryptography and stored on many computers, which makes the data practically immutable.

An exchange order is an instruction to the exchange to buy or sell an asset. It can be executed instantly at the current price or wait until the desired level is reached. It is the basic tool of any trading.

A cryptocurrency exchange is an online platform where users buy, sell and exchange digital assets at market prices. It brings buyers and sellers together and handles the settlement of trades.