Maximilian Obwexer is Co-Founder and CEO of 21energy, the global leader in Bitcoin heating solutions with over 4,000 units shipped in just two years. Renowned for bridging energy markets and Bitcoin mining, he spearheads the use of high-performance mining hardware as a low-carbon heating technology—integrating variable electricity consumption, negative reserve power, and surplus energy monetization. Under his leadership, 21energy has been featured in Forbes, Bloomberg, Chip.de, and finanzen.net. Obwexer secured a €1.25M investment on the national prime-time startup show “2 Minuten 2 Millionen” in Austria. He has spoken at premier European Bitcoin events, including BTC Prague, Bitcoin Amsterdam, Bitcoin Atlantis, and Nicehash X, and is a frequent guest on podcasts ranging from Blocktrainer to Niko Jilch.

His keynotes spotlight Bitcoin mining as a next-generation heating solution, demonstrating how it can enhance grid stability and drive the energy transition by turning mining into a profitable, sustainable practice. Combining hands-on entrepreneurial experience with in-depth technical insights, Obwexer provides a visionary yet practical perspective on how digital innovation can reshape the future of global energy systems.