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