> For the complete documentation index, see [llms.txt](https://whitepaper.ivault.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whitepaper.ivault.io/ivaults-blockchain-ecosystem/architecture.md).

# Architecture

<div align="center"><figure><img src="/files/zp3S8gqpHI1AgNPffGXv" alt="" width="563"><figcaption></figcaption></figure></div>

**Mobile app**: securely stores identities and wallets of users, so they can interact with the token and the blockchain.

**API resources**: data-centric off-chain storage for the ivault app’s features. Connected to the ivault chain and public networks.

**ivault chain API**: used primarily for all the utilities and features in the ivault app.

**Public networks API**: publicly available tokens on decentralized and centralized exchanges, to boost availability.&#x20;

**Blockchain service layer**: PKI and vault infrastructure for signing and broadcasting transactions. Used with an auto-signature module.

**Off-chain storage**: stores all relevant blockchain information and data needed for features in the app.

**Blockchain Infrastructure Components**: for reading and writing to blockchains.

**Smart contracts**: functional and logical components for the ivault Chain and public networks.

**Blockchain**: decentralized data and execution layer for the ivault Chain and public networks.