Jeff Chu

Building things with AI. Writing about crypto, payments, and emerging tech.

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by Jeff Chu

May 5 2026

Building a $0-cost public Nostr utility on Cloudflare Workers in 30 minutes

A walkthrough of deploying a no-signup Nostr profile-lookup page on CF Workers' free tier — code, observations, and what's next.

by Jeff Chu

May 3 2026

Anatomy of a 30-line PR That Could Save 50ms Per Checkout

Why surgical, issue-aligned PRs get merged fast — walked through with a real Solana stablecoin gateway example.

by Jeff Chu

May 3 2026

Open Bitcoin/Crypto Bounties — 2026-05-03 Digest

Fresh, low-competition GitHub bounties from across the Bitcoin/Lightning/Solana/AI ecosystems. Curated daily.