v2.x messaging standard

The v2.x messaging standard is a set of guidelines for exchanging electronic messages, especially in financial services. It ensures that communication between systems—like banks, payment processors, and other financial institutions—is consistent, secure, and reliable. By standardizing formats and protocol rules, v2.x helps different systems understand each other efficiently, reducing errors and processing times. It's designed for modern needs, supporting features like improved security, faster transactions, and easier integrations, while maintaining compatibility with previous versions to ensure seamless communication across diverse platforms.