Transaction propagation is the second stage of the Ethereum transaction lifecycle, following transaction creation. Once a transaction is signed, it is broadcast across the Ethereum peer-to-peer network so that nodes receive and relay it to their peers. Each receiving node adds the transaction to its mempool, the local list of pending (unconfirmed) transactions, where it awaits selection by a validator for inclusion in a block.

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For completing a transaction in **Ethereum** involves a process of several stages ever since the moment a transaction is initiated until it is ultimately added to the blockchain. Currently the main following stages  involved in a transaction are: 
1. Transaction creation.
2. Transaction propagation.
3. Transaction selection.
4. Transaction confirmation.


Transaction Lifecycle in Ethereum

Involves the process of defining the **recipient adress**, the amount or token, set the **gas price** and **gas limit** then sign the Transaction with the **Private key** and finally send it to the network

Ethereum Transaction Creation

Ethereum Transaction Propagation

It's the process in which a Validator picks any Transaction in order to verify and execute the transaction. Based on the result the transaction can be considered as "successful" or "ejected"

Ethereum Transaction Selection

In Ethereum, transaction confirmation occurs when the block containing the transaction is upgraded to "justified" and then "finalized" status. Once a block is finalized, the transaction persists permanently in the network.

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