Mempool (short for “memory pool”) is a component found in the blockchain serving as a temporary storage area for pending transactions awaiting validation and inclusion in the next block of the blockchain.
Miners or validators prioritize and select transactions from the mempool based on factors like transaction fees. The mempool plays a vital role in transaction confirmation and network efficiency.
Mainnet is the term used in blockchain technology to refer to the production or live network of a cryptocurrency or blockchain platform.
MetaMask is a cryptocurrency wallet and browser extension that allows users to manage their digital assets and interact with decentralized applications (DApps) on the Ethereum blockchain.