Switzerland’s payments landscape will look very different by 2027. The changes coming are not marginal regulatory tweaks but structural overhauls: the end of euroSIC, the retirement of LSV/BDD, the arrival of PSD3/PSR in the EU, and a far more demanding regime for operational resilience driven by FINMA and Europe’s DORA. The combined effect is that Swiss banks and NBFIs must prepare not only for compliance, but for a world where payments infrastructure becomes a source of competitive differentiation. The euroSIC Discontinuation: A Quiet Milestone with Loud Consequences For nearly 30 years, euroSIC has quietly underpinned EUR transactions inside Switzerland. That…