In the Bitcoin blockchainThe Bitcoin blockchain is a shared public ledger that records all bitcoin transactions. It is constantly growing as "completed" blocks... Read More, the first blockA block is a specific type of construct in a blockchain that stores transactional information blocks typically contain transaction information... Read More in the blockchainAs a distributed ledger technology (DLT), a blockchain is a digital ledger that can create an immutable record of transactions.... Read More is the genesis blockThe genesis block, typically called “Block 0”, is the starting point for every blockchain. It is the very first block... Read More. The second block in the blockchain is ‘Block 1’. Block 1 contains the first transaction dataTransaction data is information that is stored on the blockchain and represents a record of a transaction. This data can... Read More on the blockchain.