A record of transactions. In traditional finance, companies keep ledgers. In crypto, the blockchain IS the ledger, except it's distributed across thousands of computers instead of controlled by one entity.
A distributed database where transactions are grouped into blocks and linked together cryptographically.
A transfer of value or data recorded on a blockchain.
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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