> ## Documentation Index
> Fetch the complete documentation index at: https://inflection.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Identity registry

The **IdentityRegistry** is a blockchain-based smart contract that serves as the **immutable foundation** for the Inflection DID system.

It anchors **Decentralized Identifiers (DIDs)** to user wallet addresses, stores **Verifiable Credential (VC) hashes**, and tracks **reputation scores** derived from stablecoin transactions.

By residing on a blockchain (e.g., **Ethereum** or **Sepolia** for testing), it ensures that identities are **tamper-proof** and **verifiable** by any protocol, supporting the system’s goal of a **decentralized economic identity layer**.

***

## Theoretical Role

* **DID Anchoring:** Registers unique DIDs to prevent duplication and enable global lookup.
* **VC Integration:** Stores hashes of VCs, linking off-chain data to on-chain proof.
* **Reputation Tracking:** Maintains dynamic reputation scores, updated by transaction-driven processes.
* **Verification Support:** Allows external protocols to confirm identity authenticity and profile validity.

***

```mermaid theme={null}
graph LR
    A[User Wallet] -->|Registers| B[IdentityRegistry]
    B -->|Stores| C[DID]
    B -->|Stores| D[VC Hash]
    B -->|Updates| E[Reputation Score]
    F[External Protocol] -->|Queries| B
    B -->|Returns| G[Verified Identity Data]
```