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White paper

LamportPay: crypto-to-local-currency payment routing.

A Solana-first, USDC-settled, partner-orchestrated payment routing platform.

1. Executive summary

LamportPay is a Solana-first crypto-to-local-currency payment routing platform. It helps users pay with supported crypto assets, settle through USDC, and route local-currency payout requests through licensed regulated settlement partners.

2. Problem

Crypto is global and fast, but recipients usually want local currency in a bank account, mobile wallet, card, or cash pickup channel. Existing flows are complex for normal users.

3. Solution

LamportPay provides a simple transfer interface, AI assistant, USDC settlement model, Partner-first payout simulation, and status tracking.

4. Product positioning

LamportPay is a technology routing platform, not a bank, money transmitter, custodian, exchange, or remittance company.

5. Core flow

  1. Sender enters transfer details
  2. LamportPay creates payment
  3. Payout quote generated
  4. Partner KYC
  5. User confirms crypto payment
  6. Jupiter swaps supported token into USDC (later)
  7. USDC settlement verified
  8. Partner processes payout
  9. Recipient receives local currency
  10. LamportPay shows receipt

6. Technology architecture

Frontend
Next.js, Tailwind CSS, transfer simulator, AI assistant, receipt dashboard.
Backend
API routes, payment state machine, Payout partner adapter, Jupiter adapter, Solana verifier, webhook handler, database layer.
Blockchain
Solana wallet connection, USDC settlement, Jupiter token-to-USDC swap, Solana transaction verification.
Partner
Payout partner customer/KYC flow, Payout transfer flow, Partner webhook/status updates.
Database
Users, payments, quotes, KYC status, Payout references, Solana transaction signatures, timeline events, receipts.

7. AI layer

AI transfer assistant, fee explanation, scam warning, payout method guidance, support assistant. AI does not approve KYC, perform AML, or make regulated decisions.

8. Liquidity layer

Use Jupiter first for Solana token-to-USDC swaps. If user pays in USDC, skip swap.

9. Settlement partner layer

Start with a single regulated payout infrastructure partner, then add further partners later, Bitso, and Yellow Card.

10. Supported demo assets

USDC, SOL, USDT, JUP, RAY, PYTH, BONK.

11. Supported demo corridors

Pakistan PKR, India INR, Nigeria NGN, Philippines PHP, Mexico MXN, Bangladesh BDT, Egypt EGP, Colombia COP, Brazil BRL, Peru PEN.

12. Payment status lifecycle

CREATEDQUOTE_GENERATEDKYC_PENDINGKYC_APPROVEDPAYMENT_CONFIRMEDJUPITER_SWAP_STARTEDUSDC_SETTLEDPAYOUT_SENT_TO_PARTNERPARTNER_PROCESSINGPAIDFAILEDREFUNDED

13. Compliance positioning

LamportPay does not custody user funds, control private keys, issue balances, perform KYC, or independently transmit money. Licensed partners handle KYC, KYB, AML, sanctions screening, Travel Rule, FX/off-ramp, payout processing, and settlement.

14. Business model

Small platform fee per completed transfer, SaaS/API fee for businesses, premium dashboard, partner referral/commission where legally allowed.

15. Roadmap

  1. Phase 1: Demo website
  2. Phase 2: Backend MVP
  3. Phase 3: Phantom wallet + Solana devnet
  4. Phase 4: Jupiter quote/swap integration
  5. Phase 5: payout partner sandbox integration
  6. Phase 6: Controlled live pilot after legal and partner approval

16. Risk management

Risks: regulation, KYC failure, payout delay, slippage, wrong wallet, fraud, provider approval.
Mitigations: partner-led KYC before payment, USDC settlement, quote expiry, no custody, no user balances, clear refund/failure policy.

17. Conclusion

LamportPay aims to make crypto-to-local-currency transfer simple, explainable, and partner-compliant.