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@ODATANO

ODATANO

Enterprise OData Access to the Cardano Blockchain

SAP CAP OData V4 Services and Applications for Cardano & Midnight


Core Technical Principles

  • SAP Cloud Application Programming Model (CAP) as the application framework, providing service definitions, runtime, and OData V4 protocol handling out of the box
  • Node.js/TypeScript for type-safe service implementations, custom handlers, and blockchain adapter logic
  • Strict CDS entity modeling for blockchain objects (Transactions, UTxOs, Addresses, Assets, Metadata)
  • SAP-ready OData V4 endpoints designed for S/4HANA, RAP, and ABAP consumers as well as external interfaces covering both read and write operations
  • Full transaction lifecycle support: on-chain data retrieval, transaction building, external and HSM-based signing, and submission via typed OData V4 actions
  • Blockchain data providers integrated through a modular adapter layer (Blockfrost, Koios, Ogmios)
  • Plutus V3 smart contract interaction through schema-driven, typed contract call definitions
  • Deterministic, schema-driven data contracts as the single source of truth across ingestion, normalization, signing, and OData exposure
  • Layered architecture with clean separation between data ingestion, transaction building, signing workflows, and OData service layer
  • Enterprise security patterns: HSM integration, external signing delegation, request coalescing, and audit-safe key handling

Repository Structure

🔷 ODATANO Core OData Service for interacting with the Cardano Blockchain

The main repository. Connects SAP systems or any OData client to the Cardano blockchain via a SAP CAP-based OData V4 API, enabling secure on-chain data access and blockchain transaction execution. Built with SAP CAP and Cardano SDKs, it provides a unified integration layer that brings Cardano into business processes with full enterprise-grade security and auditability.

🔗 TRACE Trusted Records Anchored on Chain for Enterprise

SAP Fiori + CAP application built on top of ODATANO. A dedicated module for anchoring business records on-chain in a tamper-proof, auditable manner. TRACE provides the foundation for traceability, compliance, and ESG reporting use cases, where enterprises need verifiable, immutable proof of process steps stored on the Cardano blockchain.

📑 FINCA Anchoring Financial Data on Chain (Cardano Foundation Reeve specification)

SAP Fiori + CAP application built on top of ODATANO. Anchors accounting data and financial reports — Balance Sheets and Income Statements — on Cardano as CIP-10 label-1447 metadata, following the Cardano Foundation Reeve specification. Verifiable accounting without a smart contract: one CIP-30 signature per anchor.

💲 x402 Implements the Cardano-x402-v2 spec, providing gated OData endpoints for agentic payments

Payment-gating library for SAP CAP built on top of ODATANO. Implements the Cardano-x402-v2 spec. Gated OData endpoints return HTTP 402 until the caller proves on-chain settlement. Asset-agnostic, no database, no smart contract: replay defense is the Cardano UTxO model itself. Ships with a working example CAP app.

🚚 QUANTIX Delivery commitments that enforce themselves on-chain

SAP Fiori + CAP application with multi-feed Charli3 pull-oracle built on top of ODATANO. Enables atomic on-chain B2B procurement orders by bundling multiple price feeds into a single transaction. Dual coordinators with disjoint UTxO sets eliminate refresh congestion. Settlement and price proof are combined into a single atomic Cardano transaction. Grand Prize winner at Charli3 Hackathon 2026.

🕛 NIGHTGATE Privacy Layer (Midnight)

Connects SAP systems to the Midnight privacy chain via a CAP-based OData V4 API, enabling confidential on-chain data access and privacy-preserving transaction execution. NIGHTGATE extends ODATANO's architecture into the privacy domain, acting as the gateway between SAP enterprise processes and Midnight's zero-knowledge infrastructure.

👁 ODATANO-WATCH Monitoring & Verification

Provides deterministic monitoring and verification of blockchain-backed business transactions for enterprise systems. ODATANO-WATCH enables SAP environments to track, audit, and validate the lifecycle of on-chain operations initiated through ODATANO — closing the loop between transaction submission and enterprise-grade confirmation.

🌐 odatano.dev Official Website

The official landing page and documentation site for the ODATANO project, built with Astro. Serves as the public-facing entry point to the ecosystem, providing project context, architecture overviews, milestone updates, and integration documentation at odatano.dev.


ODATANO is built with a strong focus on reliability, transparency, and enterprise applicability, demonstrating how Cardano and Midnight can be cleanly and simply integrated into real enterprise landscapes.

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  1. ODATANO ODATANO Public

    ODATANO connects SAP systems to the Cardano blockchain via a CAP-based OData V4 API, enabling secure on-chain data access and blockchain transaction execution. Built with SAP CAP and Cardano SDKs, …

    TypeScript 8 1

  2. TRACE TRACE Public

    SAP Fiori + CAP application built on top of @odatano/core. Tracks pharmaceutical batches across manufacturer, distributor, and pharmacy using NFTs minted under a Plutus V3 policy. Each handoff is a…

    TypeScript 1

  3. FINCA FINCA Public

    FINCA manages organisations, journal-style transactions, and financial reports (Balance Sheet, Income Statement) & serialises them into the CIP-10 label-1447 metadata format (CF Reeve spec)

    TypeScript

  4. x402 x402 Public

    Payment-gating library for SAP CAP built on top of @odatano/core. Implements the Cardano-x402-v2 spec - gated OData endpoints return HTTP 402 until the caller proves on-chain settlement. Asset-agno…

    TypeScript

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