21 Mio · Friedrich Bitcoin Consulting
CH / Zurich
Independent Bitcoin consulting in Zurich, helping people understand Bitcoin and its practical use.
Public-source review · 2026-09-12
Swiss Bitcoin organization / specialist
Benjamin Kesselbach’s Zurich-based education service offers group and private sessions in German and English. Published topics include Bitcoin, hardware wallets and practical self-custody setup, alongside broader digital-asset education. Course formats and availability are provided on the instructor’s website.
PUBLIC-SOURCE REVIEW
This summary describes the organization’s Bitcoin connection. It may also offer services beyond Bitcoin. Check its own website for current services, access requirements and contact details.