In blockchain, decentralization refers to the transfer of control and decision-making from a centralized entity (individual, organization, or group thereof) to a distributed network. In Bitcoin's case, the blockchain is decentralized, so no single person or group has control—instead, all users collectively retain control. Decentralized blockchains are immutable, which means that the data entered is irreversible. For Bitcoin, transactions are permanently recorded and viewable to anyone

Cryptocurrency trading means taking a financial position on the price direction of individual cryptocurrencies against the dollar (in crypto/dollar pairs) or against another crypto, via crypto to crypto pairs. How Does the Cryptocurrency Market Work? Though cryptocurrency is a currency, it's also considered a digital asset, allowing you to invest in it as you would with stocks or bonds. You can buy cryptocurrency anytime, hold it in your crypto wallet or cash it into fiat currency through an exchange.