Interoperability

2 posts tagged “Interoperability”

Cross-border Payments2026-09-11

Mastercard Wallet Pay: Card Networks as Interoperability Infrastructure for Digital Wallets

An in-depth analysis of Mastercard Wallet Pay's interoperability architecture, examining acceptance, clearing, and final settlement layers through an overseas transaction by a Hong Kong AlipayHK user.

Reading Notes & Opinions2026-09-02

From Pontes to Appia: How Europe Is Rebuilding the "Cash Leg" for Tokenised Securities

An in-depth analysis of how the ECB's Pontes and Appia initiatives use interoperability architectures and dual-track cash settlement models to anchor tokenised securities settlement in central bank money and legal finality.