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RuntimeNov 28, 20256 min
Why we chose Bun + Elysia
How a lighter runtime helped the real-time layer stay fast without slowing product work
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Practical notes on structure, timing, and the product decisions that make live markets easier to understand.
70% smaller payloads, 10x faster serialization, 33GB/day bandwidth saved
Five principles for keeping the platform calm as event volume grows
Why 100ms is the line between 'instant' and 'waiting'—and how we stay under it