Money as a value object in C#: stop using a bare decimal
A decimal doesn't know its currency, its precision or how to split itself. A small Money type does, and it turns a whole class of silent bugs into loud ones. Runnable C# 14 and EF Core code.
#financial-systems
Designing a ledger: balances should be derived from transactions
A balance column tells you a number. A ledger tells you why. How to make recorded transactions the single source of truth for a wallet, with runnable EF Core code.