How to Add Token Swaps to C# .NET Backends

C# is closing in on Java. The TIOBE Index shows C# at 7.39% and climbing (+2.94 YoY), narrowing the gap to just 1.32 points. Stack Overflow's 2025 Developer Survey puts C# at 27.8% usage among all respondents and 29.9% among professionals, while ASP.NET Core holds 21.3% among professional developers. The overlap with finance is significant: over 40% of large enterprises run mission-critical ASP.NET applications, and ASP.NET adoption is strongest in finance, healthcare, and regulated industries.