> For the complete documentation index, see [llms.txt](https://docs.hsuite.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hsuite.network/readme.md).

# Smart Engines V3 — Coming Soon

### The trustless multichain operating system.

Smart Engines is decentralized infrastructure that lets you build applications and autonomous agents across many blockchains through **one API and one SDK** — without ever holding private keys yourself.

> **🧠 In plain English**
>
> Normally, building on a blockchain means either running complex infrastructure or trusting a company with your keys. Smart Engines is a third way: a decentralized network does the heavy lifting, keys are split across many machines so no single one can act alone, and the rules that govern everything are enforced on-chain.

***

## What makes it different

* **Keys are never held whole.** Every key is created by a distributed ceremony across the network and used by threshold signing — no single machine ever holds a complete private key.
* **No single point of control.** On-chain actions are authorized by native multi-signature, so no lone operator can move anything alone.
* **Rules are enforced, not promised.** The policies that govern an entity are public and checked on every transaction.
* **Many chains, one interface.** A uniform API and SDK span every supported network, so you write your logic once.

***

## What you can build

```mermaid
%%{init: {'theme':'neutral'}}%%
flowchart TB
    Dev["You: builder / AI / automation"] --> SE["Smart Engines"]
    SE --> App["Smart App"]
    SE --> Agent["Smart Agent"]
    SE --> Fn["Host Functions"]
    App --> Chains["Many blockchains, one API"]
    Agent --> Chains
    Fn --> Chains
```

### Smart Apps

Deployed, rule-governed applications with their own cryptographic identity and multi-chain wallets. You ship your logic; the network secures it and enforces its rules.

### Smart Agents

Autonomous actors — AI or automation — that get their own identity, their own multi-chain wallets, and a rulebook they **cannot** break, no matter what their code tries to do.

### Host Functions

Serverless-style building blocks for the things every app needs — account provisioning, wallet authentication, token operations, usage metering — all without you ever handling raw keys.

***

## Status

**The engine is built.** We've completed the core V3 implementation across the platform, and we're now heads-down on the part that matters for adoption: **the documentation**.

We're writing the full guides, tutorials, concept explainers, and the SDK + API reference so that any developer can go from zero to a live, multi-chain Smart App quickly. That work is happening right now.

**Full developer documentation is landing soon.** Thanks for your patience while we make it genuinely great.

***

*More coming shortly — what's here is a brief preview, not the full documentation.*