Corda Trade Finance Network

Enterprise DLT

Enterprise-grade trade finance platform built on R3 Corda, enabling banks and corporates to issue, verify, and settle letters of credit and trade documents on a permissioned distributed ledger with privacy-preserving bilateral transactions.

Technology Stack

R3 CordaKotlinCorda FlowsCorda ContractsSpring Boot

Key Features

Architecture

┌─────────────────┐     ┌─────────────────┐     ┌─────────────────┐
│  Issuing Bank   │     │  Advising Bank  │     │   Beneficiary   │
│   (Corda Node)  │     │  (Corda Node)   │     │  (Corda Node)   │
└────────┬────────┘     └────────┬────────┘     └────────┬────────┘
         │                       │                       │
         └───────────┬───────────┴───────────┬───────────┘
                     │                       │
          ┌──────────▼──────────┐  ┌─────────▼──────────┐
          │   Notary Cluster    │  │  Regulator Observer │
          │  (Raft / BFT)       │  │    (Read-only)      │
          └─────────────────────┘  └────────────────────┘
                     │
          ┌──────────▼──────────┐
          │  Oracle Service     │
          │  (FX Rates / KYC)   │
          └─────────────────────┘

Code Sample

LetterOfCreditFlow.kt

// Corda Flow — Issue a Letter of Credit
@InitiatingFlow
@StartableByRPC
class IssueLCFlow(
    val beneficiary: Party,
    val amount: Amount<Currency>,
    val terms: String
) : FlowLogic<SignedTransaction>() {

    override fun call(): SignedTransaction {
        val notary = serviceHub.networkMapCache
            .notaryIdentities.first()

        // Build the Letter of Credit state
        val lcState = LetterOfCreditState(
            issuer = ourIdentity,
            beneficiary = beneficiary,
            amount = amount,
            status = LCStatus.ISSUED
        )

        // Create & sign transaction
        val txBuilder = TransactionBuilder(notary)
            .addOutputState(lcState)
            .addCommand(LCContract.Commands.Issue(),
                listOf(ourIdentity.owningKey))

        val signedTx = serviceHub
            .signInitialTransaction(txBuilder)

        // Collect counterparty signature
        val session = initiateFlow(beneficiary)
        val fullySignedTx = subFlow(
            CollectSignaturesFlow(signedTx,
                listOf(session))
        )

        return subFlow(
            FinalityFlow(fullySignedTx,
                listOf(session))
        )
    }
}

Project Metrics

R3 Corda

DLT Platform

Bilateral

Privacy Model

<2s

Settlement

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