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ZIO
ZIO gives you the tools to make illegal states unrepresentable and side effects explicit, both properties I value deeply in financial software. I write about using ZIO for concurrent data processing, streaming market data, and building trading system components where the type system catches errors that would otherwise cost money. These articles assume familiarity with Scala and an interest in functional approaches to real-world systems.
2026-05
Quant
Event Sourcing for Financial Systems
Traditional databases store current state. Event sourcing stores the sequence of changes that produced that state. For financial systems where auditability, debugging, and regulatory compliance …