Hodling

Polto

Bitcoin Advocate

About

With over 20 years of expertise in Free Software and Open Hardware, tech entrepreneur Alexander Poltorak has been involved with the Bitcoin ecosystem since its early days. He has been working as a Bitcoin consultant since 2016. He is an advocate of Libre Software, cryptography and all technologies empowering sovereign individuals and helping preserve the core values of anonymity, privacy, censorship resistance, decentralisation and security.

Speaking at

Events

01 DARK Prague Prague, CZ Oct 2–4, 2026 #DPRG 02 PIZZADAY Prague Prague, CZE May 22–23, 2026 #PDPRG 03 DARK Prague Prague, Czech Republic Oct 3–5, 2025 #DPRG

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Other Speakers

ROBIN THATCHER

By the Book Accountancy / Bitcoiner, accountant & crypto tax specialist

ROBIN THATCHER

By the Book Accountancy / Bitcoiner, accountant & crypto tax specialist

I’m Robin Thatcher, a Bitcoiner who happens to be an accountant. Through By the Book Accountancy and CryptoTaxHelp.co.uk, I help individuals and companies operating in the Bitcoin space navigate tax without surrendering sovereignty. My work focuses on defending Bitcoiners from creeping financial surveillance, decoding regulatory frameworks, and building strategies that honour the principles of self-custody, […]

TOMAS STUDENIK

radical innovator, founder, author & investor

TOMAS STUDENIK

radical innovator, founder, author & investor

Tomas Studeník is an urban hacker, innovator, and author of The Art of Failure. He is the founder of Blackout Prague, a unique project that blends applied sociology with immersive theatre to explore what happens when modern cities go dark. Tomas has organized dozens of hackathons in Europe and the US, created the world’s first […]

ROOS

Decentralized Systems Engineer

ROOS

Decentralized Systems Engineer

I’m a technologist passionate about FOSS, functional programming, decentralized systems, and embedded technologies. I’m actively developing practical applications on top of Bitcoin and decentralized finance, with a focus on solving real-world problems. I’m also open to exploring and supporting technologies that align with this goal. I’m always curious about how systems are built—from overall design […]

NICOLAS VESCOVO

RootstockLabs / Mathematician & researcher

NICOLAS VESCOVO

RootstockLabs / Mathematician & researcher

Mathematician and researcher at RootstockLabs, working at the intersection of Bitcoin, cryptography, and incentive design. Academic background in number theory and elliptic curves. Currently focused on staking models, decentralized systems, and the economic design of blockchain protocols. Exploring quantum threats to Bitcoin and Rootstock, and the challenges of migrating toward quantum-resistant cryptography.