fintech.ariefw.com

Financial systems architecture notes for builders and fintech leaders.

Long-form analysis by Arief W on payment systems, transaction flows, tokenization, settlement, reconciliation, reliability, and the business model behind fintech infrastructure.

April 27, 2026

Agentic Commerce Meets Real Payment Infrastructure: Stripe’s SPT Expansion for Network Tokens and BNPL

Stripe is now the first and only provider that supports both agentic network tokens and buy now, pay later tokens in agentic commerce through a single primitive.

payment architecturetokenizationsettlementreconciliation

April 23, 2026

Visa, Mastercard face new suit over card fees: A Payment Architecture View

Settlement, clearing, merchant economics, and financial system architecture

payment architecturetokenizationsettlementreconciliation