Building a ledger system in fintech requires a mix of proper accounting principles and engineering best practices.
Accounting mistakes can include misclassifying commission revenue and failing to represent actual payouts accurately.
Engineering best practices involve handling concurrency and atomicity, ensuring data integrity, automating reconciliation, focusing on security and compliance, scalability and performance, advanced capabilities like multi-currency support, and collaboration with finance teams.
It is essential to carefully design ledger entries, build for scale, prioritize security and compliance, and collaborate across teams when building a ledger system.