Now that we know that blocks are related to each other, you will be interested in knowing how transactions are related to blocks. Ethereum stores transactions within blocks. Each block has an upper gas limit and each transaction needs a certain amount of gas to be consumed as part of its execution. The cumulative gas from all transactions that are not yet written in a ledger cannot surpass the block gas limit. This ensures that all transactions do not get stored within a single block. As soon as the gas limit is reached, other transactions are removed from the block and mining begins thereafter.
The transactions are hashed and stored in the block. The hashes of two transactions are taken ...
