Ketominer

Ketominer

Lead Instructor — Bitcoin Fundamentals · nodl

Hardware designer, programmer, infrastructure engineer, and provider of lightning-based hosting services. One of the key people behind nodl, building the tools and infrastructure that make Bitcoin self-sovereignty practical for everyone.

How Bitcoin Works Self-Custody Fundamentals Privacy & OpSec
Alexandre Poltorak

Alexandre Poltorak (Polto)

Lead Instructor — Multisig & Miniscript · Partner at Hodling SA

A tech entrepreneur with over 20 years in Free Software and Open Hardware, Polto has been involved with Bitcoin since its early days and has worked as a Bitcoin consultant since 2016. He is an advocate of libre software, cryptography, and all technologies empowering sovereign individuals — promoting privacy, decentralization, and security at every level.

Multisig Architecture Miniscript Advanced Custody
Darko Gasic

Darko Gasic

Lead Instructor — Multisig & Miniscript · Partner at Hodling SA

Darko holds Master's degrees in both digital currencies and finance. Ever since his passion for decentralised economy brought him into the Bitcoin ecosystem, he has been committed to developing and distributing the tools necessary to promote economic sovereignty — offering Bitcoin consulting to international clients using cryptography and distributed systems methodologies.

Multisig Architecture Miniscript Advanced Custody
Asku

Asku

Co-organiser · nodl

Ex-banker/New-banker — Former Risk & Compliance Director. Opting out of the old system and into the new standard.

Workshop Organisation Risk & Compliance

Organized By

Explaining Bitcoin workshops are co-organized by organizations united by a common mission: making Bitcoin self-sovereignty accessible without compromising on security or privacy.

nodl

nodl builds tools and network infrastructure for Bitcoin self-sovereignty. Their mission is to let people reclaim ownership of their money — through hardware, software, and the conviction that financial independence shouldn't require trusting a third party.

Hodling SA

Switzerland-based Hodling SA helps individuals secure substantial Bitcoin holdings through multisignature setups, concierge services, and education. They specialize in non-custodial solutions that eliminate single points of failure without sacrificing sovereignty.

Our Approach

Privacy-First

We practice what we teach. Your participation is confidential, and we never share attendee information with third parties.

Hands-On Learning

Theory is important, but implementation is essential. You'll build real systems, not just learn concepts.

Small Groups

With 10 participants maximum, you get direct access to our instructors and can discuss your specific situation.

VIP Format

Fine dining, premium cigars, and an intimate setting designed for the kind of open, substantive conversations that matter.

Learn From the Best

Ready to take your Bitcoin security to the next level?