Cryptocurrency transfers are processed through a decentralized network of computers, also known as nodes, that are connected to each other. When a user initiates a transfer, the transaction is broadcast to the network and verified by multiple nodes. The verified transaction is then added to a block, along with other transactions that have been verified in the same time period. Once a block is full, it is added to the blockchain, which is a public ledger of all transactions that have taken place on the network.

The process of adding a block to the blockchain is called "mining". Miners, who are nodes with specialized computer hardware, compete to solve complex mathematical problems in order to add the next block to the blockchain. The miner who solves the problem first is rewarded with a certain amount of cryptocurrency.

Once a block is added to the blockchain, the transfer of cryptocurrency is considered complete. Because the blockchain is a decentralized ledger, it is virtually impossible for any one party to alter the transaction history. This ensures the security and integrity of the transaction.

The decentralized nature of cryptocurrency transfers means that there is no central authority, such as a bank, that is responsible for processing transactions. Instead, the network operates independently and relies on the collective efforts of its participants to ensure that transactions are processed correctly.

In conclusion, a cryptocurrency transfer is processed through a decentralized network of computers that work together to verify transactions and add them to the blockchain. This process ensures the security and integrity of the transfer, as well as provides a level of transparency that is not possible with traditional fiat currencies.