The velocity of modern payment systems has created an unforgiving paradox: the faster you process transactions, the faster fraud can scale. When you're handling thousands of payments per second across distributed infrastructure, traditional batch fraud detection becomes a liability. By the time you discover fraudulent activity in a daily review, attackers have already extracted value and moved on. For enterprises running high-throughput fintech platforms, especially those bui

PSD2 authentication for Elixir/Erlang systems. Production code for passkeys, 3DS2, biometrics, dynamic linking. Optimized for high-throughput distributed payment systems.