High-performance, operator-class Fintech Core payment processor built with Go 1.25 Workspaces under strict PCI-DSS segregation boundaries. Features an immutable double-entry accounting Ledger, an oriented FSM state graph, and a lock-free CPU-atomic CAS TPS rate limiter.
api-gateway reverse-proxy fintech pci-dss finite-state-machine lock-free token-bucket double-entry grpc-go compare-and-swap high-cohesion immutable-ledger fixed-point-math go-workspaces operator-class
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Updated
Jun 21, 2026 - Go