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Zero-Knowledge Monero Payments in PrestaShop
Zero-Knowledge Monero Payments in PrestaShop

Mar 28, 2026 | Karlo Krakan

I built an open-source zero-knowledge Monero payment module for PrestaShop. Payment state lives only in browser memory through HMAC-signed tokens. No subaddresses, amounts, or transaction data touch the database. A breach reveals nothing about who paid with crypto.

Software Development Web Development Cryptocurrency
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I built an open-source bot that farms LP fees on Raydium, here's how it works
I built an open-source bot that farms LP fees on Raydium, here's how it works

Feb 15, 2026 | Karlo Krakan

I built an open-source bot that autonomously farms LP fees on Solana. It filters Raydium pools through three layers of rug-pull protection, scores them on a 7-factor model optimized for fee yield, then manages positions with automated stop-loss and take-profit exits.

Software Development Cryptocurrency
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How I built my own local LLM stack
How I built my own local LLM stack

Feb 06, 2026 | Karlo Krakan

The journey to building my own self-hosted AI stack started with a simple desire: I wanted to run a local LLM interface like Open WebUI that could chat intelligently, generate images on demand, and even speak responses aloud—all powered by my modest RTX 2060 GPU. Here's how it all came together.

Artificial Intelligence & ML Cloud & DevOps Tutorials & How-To
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