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

# Product Overview

Vayyl is designed as a private financial account, not a standalone mixer. The Vault establishes the asset boundary; the broader product keeps value useful after it crosses that boundary.

## Capability map

| Capability             | User outcome                                            | Protocol integration                                          | Stage                                    |
| ---------------------- | ------------------------------------------------------- | ------------------------------------------------------------- | ---------------------------------------- |
| Shielded Vault         | Move XLM into a self-custodied note and settle it later | Pool, verifier, ASP, relayer and indexer                      | Available foundation                     |
| Private transfers      | Send to a shielded recipient with private change        | Variable-note circuit, encrypted outputs and wallet discovery | Next protocol milestone                  |
| Multi-asset balance    | Hold approved Stellar assets privately                  | Pool factory, per-asset accounting and wallet asset discovery | Planned                                  |
| Private positions      | Commit collateral and prove position rules              | Position manager plus proof-bound pool adapter                | Designed; requires integration hardening |
| Conditional settlement | Commit orders and execute on proven conditions          | Hidden-order registry, keeper and oracle adapter              | Designed; requires integration hardening |
| Programmable payouts   | Receive application or agent settlements privately      | Authorized settlement adapter and output commitments          | Planned                                  |
| Selective disclosure   | Share scoped activity with a chosen party               | Viewing-key hierarchy and disclosure tooling                  | Research and design                      |

## One protocol, multiple surfaces

Each product feature consumes or creates the same kind of private value. This prevents separate privacy silos for payments, trading, and applications.

```mermaid
flowchart TB
    W[Vayyl private balance]
    W <--> T[Private transfers]
    W <--> P[Private positions]
    W <--> O[Conditional orders]
    W <--> A[Application payouts]
    S[Stellar assets] <--> W
```

Every adapter must prove conservation, bind public outputs, and emit notes that the wallet can recover. Feature contracts do not get permission to mint hidden value simply because their internal state is private.


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