Scaling Bitcoin Payments and The Quantum Threat to Bitcoin
Schedule
Mon, 20 Oct, 2025 at 08:00 pm
UTC+03:00Location
Sui Hub Athens | Athens, AT
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Fellow Bitcoiners and cryptocurrency enthusiasts, we are thrilled to welcome Steven Roose, co-founder and CEO at Second, as well as the rest of the Second team in Athens! Second is one of the two teams implementing the Ark protocol that promises self-custody and scalable payments on Bitcoin. We are honored to host Christian Papathanasiou, the co-founder qBTC, a quantum-safe version of Bitcoin, and co-author, together with Jameson Lopp, of the recent Post Quantum Migration and Legacy Signature Sunset BIP.Join us to:
- Learn firsthand how Ark could enable faster, cheaper Bitcoin transactions without giving up custody.
- Discover the quantum threat to Bitcoin and cryptocurrencies and the proposed solutions.
- Get early insights directly from the builders shaping Bitcoin’s next big leaps.
- Connect with fellow Bitcoiners, developers, and crypto enthusiasts in Athens.
- Enjoy relaxed networking over pizza & drinks after the talks.
The presentations will be in English. Attendance is free — just bring your curiosity.
The venue is Suihub at Agiou Markou 22, Athens 105 60: https://maps.app.goo.gl/h8Xaixvp1RzgpaVeA
The official RSVP page is at https://www.meetup.com/blockchaingreece-0/events/311289491
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Where is it happening?
Sui Hub Athens, Ερμού 129, 105 55 Αθήνα, Ελλάδα, Athens, GreeceEvent Location & Nearby Stays:

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