2026¶

January 21, 2026
in security
3 min read

Defense-in-Depth Credential Security in Rust

How we implemented AES-256-GCM encryption with HKDF key derivation for secure credential storage, including memory safety with zeroize.

January 21, 2026
in infrastructure
2 min read

Building the Arbiter-Bot Documentation Site

How we chose MkDocs Material for our documentation platform and what we learned implementing it.

January 21, 2026
in market-data
3 min read

Kalshi WebSocket Delta Application

Implementing efficient orderbook state management for real-time market data using BTreeMap and incremental delta updates.

January 21, 2026
in Architecture
2 min read

Lock-Free Data Structures for Low-Latency Trading

How we implemented a lock-free orderbook cache using arc_swap and dashmap to minimize latency in our arbitrage detection loop.

January 21, 2026
in Architecture
3 min read

PostgreSQL RLS for Multi-Tenant Trading

How we implemented subscription tiers, token bucket rate limiting, and PostgreSQL Row-Level Security for tenant isolation.

January 21, 2026
in Architecture, Testing
4 min read

Paper Trading and Backtesting Infrastructure

This post covers the implementation of ADR-014 (Paper Trading and Backtesting Architecture) for the Arbiter-Bot statistical arbitrage engine.

January 21, 2026
in Architecture, Performance
3 min read

Implementing Low-Latency Performance Infrastructure

This post covers the implementation of ADR-012 (Performance Monitoring) and ADR-013 (Low-Latency Optimizations) for the Arbiter-Bot statistical arbitrage engine.

January 21, 2026
in implementation, infrastructure
5 min read

Building a Trading Bot Interface with Telegram and gRPC

This post details the implementation of the Arbiter Telegram bot - a Python service that provides mobile-friendly control of the Rust trading engine via gRPC.