Forget Core Banking Systems. The Future of Finance Is Written in Rust.
Fintech startups waste months reinventing financial plumbing—ledgers, transactions, audit trails. An open-source Rust library called Rails abstracts these primitives, letting teams ship in weeks instead of years. It commoditizes the banking backend, eroding the moat that protected traditional banks. The future of finance is open source, and it’s terrifying the incumbents.