In Ethereum transactions doesn't really have an expiry date. So they can be in a mental for forever pretty much if other transactions are actually higher priority. And also in Ether, we have something that is called Nons that serves two purposes. First purpose is to have a replay protection for your account. Also Nons allows you to order the transactions.
In this episode, we are joined by Tomasz Drwięga, a Core Developer at Parity Technologies, to discuss the lifecycle of a transaction on the Ethereum network and how the mempool works.
We will be covering the following topics:
- What a mempool/transaction queue/transaction pool is.
- How a transaction reaches a mempool and what the mempool does with it.
- Looking at what causes the CPU increase and delays in the network.
- What happens when a transaction gets stuck.
- Gossip.
- The security properties of the mempool.
- What a network attack could look like.
Here are some additional links and ressources if you want to dig deeper.