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Bitcrumb is a decentralized proof-of-origin infrastructure designed specifically to verify the origin, authenticity, and integrity of digital interactions. It enables any system to produce verifiable claims about how and where data was created — without exposing raw content or relying on centralized validators. Each proof is cryptographically signed, structured, and traceable, making it suitable for both human and machine-driven interactions online and offline.

It supports zero-knowledge proofs and signature formats compatible with widely adopted cryptographic standards such as secp256k1 and Ed25519. Relationships, permissions, and aggregated data are modeled in an immutable graph structure, while permissions are also embedded directly into special proofs that can span any network. This enables centralized & decentralized systems to manage trust, delegation, and context with minimal assumptions. Bitcrumb allows any data or entity to carry its own origin — backed by lightweight, independently verifiable proofs.

These same characteristics make Bitcrumb particularly valuable in systems involving artificial intelligence, robotics, and automation. Whether verifying AI outputs, robotic decision points, or machine-to-machine communications, it enables signed, permission-aware, and context-traceable interactions — allowing autonomous systems to prove their behavior and origin in a secure and scalable way.

Tapin Wallet is a minimal, secure, decentralized, and self-custodial wallet purpose-built to interact with Bitcrumb's proof-of-origin protocols. It allows users and devices to generate, store, and sign cryptographic proofs with embedded permissions — without relying on third-party infrastructure or trusted hardware. It can hold signed, zero-knowledge-proof–backed data structures that are verifiable on the network. These structures can represent anything from attestations to permissions, event history, or system state — enabling streamlined validation and auditability across decentralized systems.

In addition to proof handling, the wallet supports XRP directly and offers a lightweight API for embedding HTML-based applications. This enables developers to integrate Bitcrumb’s infrastructure out of the box, powering proof-backed interactions, permission management, and origin tracing within any network-based system.