Support Pepijn van der Stap

Hi, I'm Pepijn van der Stap - security engineer, low-level tinkerer, and relentless automator.

I write open-source tools that prioritize performance, observability, and correctness over convention.

From parsing CT logs at 100,000+ certs/sec to cleaning terabytes of ZGRAB2 output without touching RAM, I care about tight loops, fast paths, and staying ahead of adversaries and regressions.

I maintain or contribute to:

🧠 rxtls: hyper-optimized CT log processor using per-core workers, sync.Pool, and future io_uring/zero-copy support.

⚡ deduplicatz: domain and blob deduplication at scale - xxhash instead of RAM.

🔍 domainify: memory-efficient Go domain parser/splitter for passive DNS and threat feeds.

🔐 Contributions to pdtm, pihole-exporter, nuclei-parse-enrich, and more - from TLS hardening to improving CI and scraping reliability.

Your support helps me:

- Keep tools fast, clean, and maintained.

- Publish actionable tooling for defenders and researchers.

- Test edge cases, fuzz logs, and tune systems across platforms.

No marketing, no mailing list - just raw, useful code. If you've used my tools, learned from a commit, or appreciated a clean README:

👉 Buy me a coffee to say thanks and keep the bits flowing