> 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/staking-abstraction-layer-sal/architecture/the-technical-architecture.md).

# The Technical Architecture

The **Staking Abstraction Layer (SAL)** is a modular architecture designed to facilitate secure and efficient BTC staking through key components that interact with the **Staking Abstraction Matrix (SAM)**. Key modules in the SAL include the **LST Issuance Service**, **Staking Verification Service**, **Transaction Building Service**, and **Yield Distribution Service**, all of which rely on the SAM for defining transaction rules, validation criteria, and yield calculations. 

Together, these components form a robust framework that ensures security, transparency, and efficiency in BTC staking and LST issuance, allowing users to maximize their staking yields while minimizing risks associated with staking processes and cross-chain interactions.

<figure><img src="/files/wRnJn3laGhRQuoGQd2hL" alt=""><figcaption></figcaption></figure>