A central authority is an entity that holds centralizedAn organizational structure wherein a small handful of actors have control over the entire network. Centralized in the context of... Read More control over something, such as a financial exchangeAn exchange is a marketplace where traders can buy and sell cryptocurrencies and other digital assets. The "exchange" acts as... Read More, asset, or transactionA transaction is a record of an event that occurred in the past. Transactions typically occur during the course of... Read More. A central authority may be an entity such as a company, organization, or government.