https://compusential.com/blog Journal of a passionate technologist building production AI Tools (RAG platforms, intelligent query systems, and agentic workflows). Hacker of local models across an NVIDIA DGX Spark (128GB Unified VRAM) & an RTX 4090, rangefinder shooter (Leica M10 with Summicron 35 & Summilux 50 ASPH), and trilingual builder based in England. en-GB Yang Pei Yang Pei Thu, 20 Aug 2026 00:00:00 GMT https://compusential.com/blog/the-frankenstein-rig https://compusential.com/blog/the-frankenstein-rig Building a triple-GPU Frankenstein mining rig in 2011, testing cross-border settlement from bitcoin.de to Alipay, surviving forum scams, and buying autonomy for graduate school at Imperial. Thu, 20 Aug 2026 00:00:00 GMT Yang Pei cryptobitcoingpu-miningopenclhardwarereflections