ChainLocker is Piprate’s **commercial, enterprise-ready extension of MetaLocker** - built for organisations that need secure data exchange at scale, with production integrations, deployment flexibility, and operational controls. It provides a core data sharing service with an API for **data storage, sharing, and retrieval**, designed to support trusted collaboration across parties without giving up custody of sensitive data.

**MetaLocker gives you the open framework. ChainLocker delivers the enterprise platform.**

## Built for corporate reality: trust, governance, and scale

When data must move between business units, partners, brokers, carriers, vendors, or regulators, traditional sharing creates risk: uncontrolled copies, unclear permissions, and poor auditability.

ChainLocker is designed to replace those brittle workflows with an architecture where:

- **Custody stays with the owner** - clients maintain control over where data is stored and never have to surrender it to participate.
- **Sharing is accountable** - terms and conditions of sharing can be immutably recorded on a ledger, and access can be revoked.
- **Provenance is continuous** - updates, augmentation, and changes are folded into an immutable provenance chain for future reuse and defensibility.

## What ChainLocker enables

##### Secure corporate data storage (Vaults)

ChainLocker Vaults act as the main storage layer for stored/shared data, supporting on-prem or cloud patterns. Data is protected with **AES-256 end-to-end encryption**, and **only participants in the transaction can decrypt it**. Vaults can be implemented using file systems, cloud storage, IPFS, or web services that serve data.

##### Instant, bidirectional data exchange

Data artefacts are made available through **lockers** - permanent, bidirectional communication channels between one or more participants - enabling fast, controlled sharing while keeping visibility and verification limited to transaction participants.

##### Evidence-ready audit trails

Need to prove a transaction occurred? Piprate’s platform can provide **cryptographic evidence** to third parties such as regulators or legal counsel.

### Enterprise integrations and deployment flexibility

ChainLocker is designed for enterprise environments where integration and infrastructure choices matter:

- **Hyperledger Fabric connector** (enterprise-grade permissioned ledger integration)
- **AWS integration**, including cloud-native deployment patterns
- **Backend-agnostic architecture** - designed to run on multiple backends, including **Hyperledger Fabric**, **Flow**, and even **AWS S3 storage or a relational database** depending on the deployment model.
- **Integration-friendly tooling** - flexible APIs and command-line tools built with enterprise deployment in mind.

### How it works in practice

1. **Your systems connect securely** via cryptographically secure APIs to a ChainLocker node.
2. **Data is stored encrypted** in vaults you control; metadata and transaction state are handled through the platform’s modular architecture.
3. **Sharing events are recorded** for transparency and accountability, with the ability to revoke access when needed.
4. **Provenance accumulates over time**, making downstream analysis, compliance, and reuse dramatically easier.

### Is ChainLocker for you?

ChainLocker is a fit for organisations that need to exchange data across boundaries with confidence - especially where **security, privacy, auditability, and long-term data value** are non-negotiable. Piprate’s architecture principles emphasise **minimising access**, reducing data movement and copies, and keeping custody with primary owners/beneficiaries.

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