A transfer of value or data recorded on a blockchain. Every time you send crypto, interact with a smart contract, or mint an NFT, you're creating a transaction. Each transaction requires a fee.
A bundle of transactions that gets permanently added to the blockchain.
The fee paid to process transactions on Ethereum and similar blockchains.
Application Binary Interface.
A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.
The Ethereum standard for account abstraction without changing the core protocol.
The way Ethereum and many other chains track balances.
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