# JavaScript SDK for zkSync

**zkSync** is a scaling and privacy engine for Ethereum. Its current functionality scope includes low gas transfers of
ETH and ERC20 tokens in the Ethereum network.

This document is a description of the JS library that can be used to interact with zkSync.

## Usage

Full reference on how to use the library can be found [here](https://zksync.io/api/sdk/js/).

## Changelog

The changelog of the zksync.js is avaliable
[here](https://github.com/matter-labs/zksync/blob/master/changelog/js-sdk.md).