A Coinbase transaction is a type of transaction that is used to transfer cryptocurrency from one wallet to another. It is a type of transaction that is facilitated by the Coinbase exchange, which is one of the largest and most popular cryptocurrency exchanges in the world. Coinbase transactions are secure and reliable, and they are used to transfer cryptocurrency from one wallet to another quickly and easily. Coinbase transactions are also used to purchase cryptocurrency from the exchange, as well as to withdraw funds from the exchange.