SDK Docs

Glossary

Find explanations for key terms and definitions

Familiarize yourself with important terminology to better understand the documentation and enhance your development process.

Account abstraction

A feature that allows more complex logic in managing accounts and transactions, beyond the default capabilities of Ethereum accounts.

Block number

A sequential number indicating the position of a block within the blockchain.

Endpoint

A specific URL where an API can be accessed by a client application.

ERC-20

A widely-used standard for creating fungible tokens on the Ethereum blockchain. It ensures that tokens can be traded, transferred, and managed consistently across different platforms and applications.

ERC-721

A standard for creating non-fungible tokens (NFTs) on the Ethereum blockchain. NFTs are unique digital assets that can represent ownership of real-world items, digital art, collectibles, and more.

ERC-1155

A multi-token standard that supports both fungible and non-fungible tokens within a single contract, offering more flexibility and efficiency in managing various types of assets.

Layer 1 (L1)

The base layer or main blockchain architecture, such as the Ethereum mainnet, which handles all transaction validations and security.

Layer 2 (L2)

A secondary framework or protocol that is built on top of an existing blockchain system (Layer 1). Layer 2 solutions aim to improve the scalability and efficiency of the underlying blockchain.

Paymaster

A mechanism in ZKsync that allows users to pay transaction fees with tokens instead of ETH.

Peer dependency

A library that a project depends on, which should be installed by the user, often because it is a shared dependency between multiple projects.

Transaction hash

A unique identifier assigned to each transaction processed on the blockchain.

web3.py

A Python library for interacting with Ethereum. It is often used for building decentralized applications (DApps).

ZKsync Era

ZKsync Era is a Layer 2 scaling solution for Ethereum, utilizing zk-rollup technology to enable scalable and low-cost transactions while maintaining the security and trust of the Ethereum blockchain.

ZK-Rollup

A type of Layer 2 scaling solution that bundles multiple transactions into a single batch and generates a cryptographic proof (known as a zero-knowledge proof) that is submitted to the Ethereum mainnet. This process increases throughput and reduces fees.

ZKsync sepolia explorer

A block explorer specifically for the ZKsync Era on the Sepolia testnet, providing detailed information about transactions, blocks, and addresses on the network.


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