Technology Terms

ABI

Application Binary Interface - standard encoding for function calls between EVM and applications.

Minimum gas fee burned under EIP-1559 instead of paid to validators.

Average time between consecutive blocks added to a blockchain.

The low-level compiled form of smart contract code executed by the EVM.

Keeping private keys on an offline device isolated from internet-connected systems.

Ethereum fee market reform introducing a burned base fee and optional priority tip.

Ethereum Virtual Machine - the sandboxed runtime executing Ethereum smart contract bytecode.

Guarantee that a confirmed transaction cannot be altered or reversed.

A node downloading and validating every block and transaction in the full blockchain history.

A fee paid to validators for computational work to process a transaction.

A physical device storing private keys offline and signing transactions internally.

A mathematical function mapping input data to a fixed-size irreversible output.

Hierarchical Deterministic wallet generating all addresses from a single seed phrase.

A node downloading only block headers and relying on full nodes for verification.

Holding area for unconfirmed transactions waiting to be selected by validators.

A hash-based data structure enabling efficient verification of transaction inclusion in a block.

A sequential number attached to each transaction ensuring order and preventing replay attacks.

Optional tip paid to validators above the base fee for faster inclusion.

A remote procedure call endpoint allowing applications to query blockchain state.