# Intro & System requirements

The **aepp-sdk-java** is a community developed Java SDK to interact with the [æternity blockchain](https://aeternity.com/) powered by [kryptokrauts.com](https://kryptokrauts.com)!

## Latest release

[![Download](https://api.bintray.com/packages/kryptokrauts/maven/aepp-sdk-java/images/download.svg) ](https://bintray.com/kryptokrauts/maven/aepp-sdk-java/_latestVersion)

## Changelog

The changelog of the **aepp-sdk-java** can be found [here](https://github.com/kryptokrauts/aepp-sdk-java/blob/master/docs/changelog.md).

## System Requirements

* Java 8
* Sodium library for encryption, decryption, ...
  * Mac
    * `brew install libsodium`
  * Linux
    * CentOS
      * [Enable EPEL](https://fedoraproject.org/wiki/EPEL)
      * run `yum install libsodium`
    * Ubuntu / Debian
      * `apt-get install libsodium18`
  * Windows
    * get latest release [libsodium](https://download.libsodium.org/libsodium/releases/)
    * download the latest pre-built binary (e.g. `libsodium-1.0.18-msvc.zip`)
    * extract `libsodium.dll` to `C:\Windows\System32`