OpenSats

ThatOnePrivacyGirl

privacy researcher & investigative journalist

About

Janine (J9) is a privacy researcher, independent investigative journalist, and educator on the topics of informational self-determination and (counter)surveillance. She was the author of ‘This Month In Bitcoin Privacy’ (TMIBP) newsletter. Since its founding, she has been a board member of Open Sats. From 2019 to 2022, she was a member of the CryptoCurrency Certification Consortium’s (C4) Certified Bitcoin Professional exam committee. During 2023, she was part of the Human Rights Foundation’s (HRF) CBDC Tracker fellowship.

Speaking at

Events

01 DARK Prague Prague, Czech Republic Oct 3–5, 2025 #DPRG

Discover More

Other Speakers

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 […]

FRANK BRAUN

Cryptoanarchist & cypherpunk who believs that, for a free society, the ability to communicate and transact privately is essential.

ANTOINE RIARD

THE LAB 31 / Veteran Bitcoin Protocol Hacker

ANTOINE RIARD

THE LAB 31 / Veteran Bitcoin Protocol Hacker

Veteran Bitcoin Protocol HackerPartner @thelab31.xyz

FERENC KOVACS

entrepreneur, civil Engineer & Bitcoin Maximalist

FERENC KOVACS

entrepreneur, civil Engineer & Bitcoin Maximalist

17 years ago, I returned to our family business, which I’ve since taken over and grown into a nationwide corporate group. We operate hotels, develop revolutionary construction technology, and, through Bitcoin education, I help people on the path to financial sovereignty.