Evgenii
Zinner

Troubleshooter

2026-04-02

How I Built an Invisible Telegram CRM

Building a zero-cost, automated booking and client CRM directly inside Telegram for a nail studio using Cloudflare Workers, D1 SQLite, and KV.

2026-03-24

Monetizing Cloudflare Worker APIs with Coinbase CDP x402

A practical engineering guide to monetizing Cloudflare Worker APIs and MCP tools on Base Mainnet using Coinbase CDP x402, Permit2 signatures, and dual-layer interception.

2026-03-11

Vibecoding a Cosmic Arcade

Creating an open-source browser physics simulator with PixiJS, D3.js, GLSL shaders, and disciplined memory management.