# Subchain

## Brief

STEM is Seele's take on subnet infrastructure. The protocol extends the security of the already fast Seele-Mainnet to supervise and credit an even faster Seele-Subnet. Subnets, powered by various token releasing mechanisms, supposedly assumes all the creative usages of a mainnet but faster.

## Parts

The main parts consist of a **contract**, ran on mainnet, and a **subnet**, ran similarly to the mainnet. To ease interaction, a **controller** that wraps interaction with the contract and subnet is developed.

Below are detailed and concise graphs illustrating the relationship between parts.

![detailed](/files/-M3nuBVe8yVxZFOky43l)

![concise](/files/-M3nuBVg82LlWitVxav9)

For more information on the integration of these parts, see [white paper](https://seele.pro/news/en/9.html) and the links below.

## Appendix

### Controler: seele-anchor-cli

[documentation](/wiki/developer/intro/seele-anchor-cli/0-user.md)

* [user](/wiki/developer/intro/seele-anchor-cli/0-user.md)
* [test](/wiki/developer/intro/seele-anchor-cli/1-test.md)

[code](https://github.com/muyiy/seele-anchor-cli)

### go-seele-sub

[documentation](/wiki/developer/api/subchain_rpc.md)

* [node api](/wiki/developer/api/subchain_rpc.md)
* [node start](/wiki/developer/intro/subchain_start.md)

[code](https://github.com/seeleteam/go-seele-sub)

### StemRootchain.sol

[documentation](/wiki/developer/intro/subchain_contract.md)

* [constructor](/wiki/developer/intro/seele-anchor-cli/2-conf.md)
* [contract](/wiki/developer/intro/subchain_contract.md)

[code](https://github.com/muyiy/seele-anchor-cli/tree/master/src/sol)


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