# ICON

## Account

* ICON has two type of accounts
* EOA(Externally Owned Accounts)
  * starts with "hx" followed by a 20-byte hex string
* SCORE(Smart Contract in ICON) 
  * starts with "cx" followed by a 20-byte hex string
* Guide for using an account with the same private key on Ethereum(BSC, HECO, etc...) and ICON
  * <https://github.com/orbit-chain/bridge-launch-governance/blob/master/iconvault/util.md>&#x20;

## Network

* Public mainnet from ICON official [SITE](https://www.icondev.io/docs/mainnet)
  * Endpoint: <https://ctz.solidwallet.io/api/v3>
  * NID : 1
* Node operation. [**Citizen Node**](https://www.icondev.io/docs/quickstart#citizen-node) is enough to run the Orbit Bridge.