I really mis the mistake of NOT using double entry bookkeeping in the way you store transactions. Next to that, ensure transactions are immutable, and ensure r

I really mis the mistake of NOT using double entry bookkeeping in the way you store transactions. Next to that, ensure transactions are immutable, and ensure reporting is idempotent: Close your periods and generate reports for them, when you regenerate the report it should be identical. This is more domain tips. A lot of technical tips hold for non fintech too.