How to build rate limiters that protect authorization infrastructure without rejecting legitimate traffic. Token bucket math, sliding window trade-offs, and the distributed coordination problem.
How payment networks encode field presence using primary and secondary bitmaps in binary messages.
Wrap errors with what you were trying to do, not what went wrong. The original error already answers the latter.
How TeamPCP compromised Trivy, backdoored LiteLLM's PyPI packages, and harvested credentials using .pth files and fork bombs.
Why naive modular hashing breaks when nodes join or leave, and how consistent hashing fixes it.