International Payment Mechanisms

How international payments work: SWIFT, wire transfers, and the spectrum from anonymous to fully traceable.

How International Payments Work

  • Overview of cross-border money movement
  • Correspondent banking relationships
  • TODO: explain how money doesn't actually "move" - it's ledger entries

The SWIFT Network

  • What is SWIFT (Society for Worldwide Interbank Financial Telecommunication)?

    • TODO: messaging system, not a payment system
    • TODO: SWIFT codes / BIC codes
    • TODO: how a typical SWIFT transfer works
  • SWIFT message types:

    • TODO: MT103 (customer transfers)
    • TODO: MT202 (bank-to-bank)
  • Fees and timing:

    • TODO: intermediary bank fees
    • TODO: typical processing times (2-5 days)

Wire Transfers

  • Domestic wire (Fedwire in US):

    • TODO: same-day settlement
    • TODO: fees and limits
  • International wire:

    • TODO: relies on SWIFT
    • TODO: currency conversion

ACH and International Equivalents

  • ACH (US):

    • TODO: batch processing
    • TODO: slower but cheaper
  • SEPA (Europe):

    • TODO: eurozone transfers
    • TODO: near-instant with SEPA Instant
  • Other systems:

    • TODO: BACS (UK)
    • TODO: Interac (Canada)

Anonymous Payment Methods

  • Cash:

    • TODO: physical transport limitations
    • TODO: structuring laws
  • Cryptocurrency:

    • TODO: Bitcoin, Monero, etc.
    • TODO: pseudonymous vs anonymous
    • TODO: mixing services and privacy coins
  • Prepaid cards:

    • TODO: limitations on international use
    • TODO: KYC requirements
  • Hawala and informal value transfer:

    • TODO: how it works
    • TODO: legal status varies by country

Traceable Payment Methods

  • Bank transfers:

    • TODO: full paper trail
    • TODO: regulatory reporting
  • Credit card payments:

    • TODO: networks (Visa, Mastercard)
    • TODO: cross-border fees
  • Payment services:

    • TODO: PayPal, Wise, Remitly
    • TODO: trade-offs in speed, cost, traceability

Reporting Requirements

  • Currency Transaction Reports (CTRs):

    • TODO: $10,000 threshold in US
  • Suspicious Activity Reports (SARs):

    • TODO: bank's obligation to report
  • Cross-border reporting:

    • TODO: FBAR, FATCA for US persons

References

  • TODO: Add references