A Transaction Block A Transaction Block is a collection of transactions on a network. The collection is gathered into a block that can then be hashed and added to the blockchain. is imposed on some transactions sent across the network such as the network that supports Cryptocurrency Address A Cryptocurrency address is used to receive and send transactions on the network. An address is most commonly represented as a string of alphanumeric characters and sometimes referred to as wallets. Addresses can also be represented as a scannable QR code.. It is awarded to the miner that successfully hashes the block containing the relevant transaction.