Terms and Definitions

Crypto exchange means a high-tech center where all trading transactions are executed using up-to-date computer software that allows the participants of the exchange to buy, sell and exchange some crypto currencies[i] for others or for currencies[i] of other states anywhere in the world.
Crypto currency means a digital asset, recording of which is decentralized; cryptography is used to ensure consistency of the chain of transaction blocks in the Blockchain.
Currency means any commodity that can perform the function of money when exchanging goods on the domestic or international market.