# Sei Network Overview

By [haly](https://paragraph.com/@😀8888) · 2022-11-17

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Sei is a Layer 1 blockchain built on top of the Cosmos SDK and Tendermint Core dedicated to each specific transaction area. The network wishes to optimize to bring outstanding benefits to the exchanges in the network and provide the best user experience.

![](https://storage.googleapis.com/papyrus_images/03041cbcf03abcd3103d4586a5cb8c40f2a793042ec494b11226342f836a743f.png)

![Sei Network has successfully raised 5 million USD from investment funds such as Multicoin Capital, Coinbase Venture, Delphi Digital… In addition, the project has confirmed that it will definitely spend 1% of tokens to airdrop for those who use and experience it. testnet on the Sei network. From the above bases, we should start working on Sei Network's testnet from today.
Prepare before doing testnet
Install Coin98 Extension Wallet
First, you go to chrome.coin98.com to install Coin98 Extension Wallet.](https://storage.googleapis.com/papyrus_images/82bd3c1b5d5af2ca3429f2c57ae4c1f948f052691adbaa31951959096cc65207.png)

Sei Network has successfully raised 5 million USD from investment funds such as Multicoin Capital, Coinbase Venture, Delphi Digital… In addition, the project has confirmed that it will definitely spend 1% of tokens to airdrop for those who use and experience it. testnet on the Sei network. From the above bases, we should start working on Sei Network's testnet from today. Prepare before doing testnet Install Coin98 Extension Wallet First, you go to chrome.coin98.com to install Coin98 Extension Wallet.

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*Originally published on [haly](https://paragraph.com/@😀8888/sei-network-overview)*