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A French-language Bitcoin conference in the Alps.
B-Only is a three-day Bitcoin-only conference in Annecy, France, with talks, workshops and community evenings. The 2026 edition is its fourth.
B-Only calls itself the Bitcoin conference in the heart of the Alps. The fourth edition takes place at the Novotel Annecy Centre, next to the town's railway station, and is organised by AlpineChain.
The programme mixes conferences, workshops and short 'pleb talks' on Bitcoin's technology, ecosystem and ethos, plus two community evenings. The organizers say beginners are welcome and that general talks and workshops run alongside more advanced sessions.
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All talks are about Bitcoin, its technology, its ecosystem and its ethos.
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The format combines conferences, hands-on workshops and short pleb talks.
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Two evening gatherings are part of the three-day programme.
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The organizers say only the talks are filmed and attendees are not photographed without permission.
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