# Architecture

## **1. Heart**

It is a state storage smart contract,some data is stored here,this way make the data is credible<br>

![](https://3378415725-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHyuWwcsMfvyT4d5z3h%2F-MIJ0jYnIOvPZkUDWp4A%2F-MHz77hiHKaoRtbv-wfA%2FArchitecture-1.png?alt=media\&token=b165746d-2273-469e-9dea-b7646cfbd570)

![](https://3378415725-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MHyuWwcsMfvyT4d5z3h%2F-MIJ0jYnIOvPZkUDWp4A%2F-MHzA9x79zyJ1ijNsPRs%2FArchitecture-2.png?alt=media\&token=04ef02f4-a01e-4f2f-94fa-fc6c3fe070d5)

## 2.     Digital Reserve System

It creates digital currency,issues digital credit,and redeems staked Velo tokens.It also rebalances staked Velo tokens.

## **3.**     Reserve Manager&#x20;

It is a reserve pool to rebalance velo in staking address

## 4.     Stable Credit

It is used as an token collateral pool and is also the digital credit\`s smart contract