# 2. Introduction

DxChain was established in 2018 and is a decentralized public chain dedicated to providing solutions for web3 applications. 

The Mainnet was launched in March 2020, and implemented the DPoS (Delegated Proof of Stake) consensus algorithm that enables users to carry out on-chain activities in a safe, high-speed, and scalable environment. 

In the DxChain 3.0 network, we will realize the <mark style="background-color:yellow;">**security and convenient asset circulation**</mark>, the <mark style="background-color:yellow;">**opening and popularization of smart contract applications**</mark>, while the <mark style="background-color:yellow;">**Dapp ecosystem**</mark> will be fully integrated into it to promote the interactive development of DxChain value and ecosystem.