### Deployed Mainnet Contracts
* [sbtc-token](https://explorer.hiro.so/txid/SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-token?chain=mainnet)
* [sbtc-registry](https://explorer.hiro.so/txid/SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-registry?chain=mainnet)
* [sbtc-deposit](https://explorer.hiro.so/txid/SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-deposit?chain=mainnet)
* [sbtc-withdrawal](https://explorer.hiro.so/txid/SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-withdrawal?chain=mainnet)
* [sbtc-bootstrap-signers](https://explorer.hiro.so/txid/SM3VDXK3WZZSA84XXFKAFAF15NNZX32CTSG82JFQ4.sbtc-bootstrap-signers?chain=mainnet)
### sBTC Clarity Contracts
At a high level, the sBTC Clarity contracts are responsible for the following:
#### sbtc-bootstrap signers
Core contract for meta signer functionality such as registration & the rotation process.
#### sbtc-deposit
Processing contract called by the signers to record a consumed Bitcoin transaction & mint some amount of sBTC to a principal contained in the payload.
#### sbtc-registry
State storage for maintaining upgradability across protocol.
#### sbtc-withdrawal
Interaction points for users and signers to update withdrawal request state.
### User Types
In addition to the contracts themselves, there are two main user types that will interact with these contracts.
#### Signer
A signer that is part of the current sBTC signer set. More information on signers and their role in sBTC can be found in the [Signer Process Walkthrough](/learn/sbtc/walkthroughs/signer-process-walkthrough.md).
#### Wallet
A participant in the Stacks/Bitcoin ecosystem that wants to deposit/withdraw/use sbtc.
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