> For the complete documentation index, see [llms.txt](https://docs.solv.finance/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.solv.finance/solvbtc-technical-architecture/onchain-liquidity-architecture.md).

# Onchain Liquidity Architecture

### Overview

To maximize the on-chain liquidity of SolvBTC, in addition to the BTC Mainnet Vault architecture, SolvBTC introduces an on-chain liquidity contract architecture.

This architecture consists of three main components: the **SolvBTC Minting Contracts** for all users, the **Whitelisted Swap Contracts** designed for liquidity and liquidation use cases, and the **Standard Redemption Contracts** for general users.

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### Architecture and Key Flows

<figure><img src="/files/QbPFPpHHNw7ftF6Cm1jl" alt=""><figcaption></figcaption></figure>

The on-chain liquidity architecture of SolvBTC consists of three functional paths and a unified asset custody structure: **Deposit Contracts**, **Whitelisted Swap Contracts**, **Standard Redemption Contracts**, and the **Safe Vault** as the underlying asset custody and delivery structure.

The liquidity governance framework adopts the same **Auditors** model as the SolvBTC mainnet architecture. This governance framework is used to constrain key permissions and configurations among on-chain liquidity-related contracts, and together with the Deposit Contracts, Safe Vault, and various redemption contracts, defines the complete operational boundary of the system.


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