A key figure in the crypto ecosystem, Nicolas Bacca has just left Ledger, which he co-founded in 2014. In an interview with The Big Whale, he looks back at his role at the French nugget, his vision of the cryptocurrency market and, of course, his new projects.
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Grégory Raymond is Head of Research and co-founder of The Big Whale. A specialist at the intersection of traditional finance and digital assets, he has been covering the regulatory, institutional and technological developments of the sector since 2017 for an audience of decision-makers: ,banks, asset managers and fintechs. He is also the author of Bitcoin & Cryptos: L'enjeu du siècle (Talent Éditions, 2025), a book built around interviews with key figures from the ecosystem.
Louis Tellier is Lead Institutional Research at Blockstories, where he focuses on developing the institutional offering for digital assets. He joined Blockstories in April 2025. Blockstories was founded in 2022 and is headquartered in Berlin, with presence in France and Switzerland.
Prior to joining Blockstories, Tellier worked as a crypto journalist at The Big Whale from August 2023 to January 2025, covering crypto and blockchain topics. Before that, he was a journalist at L'AGEFI from May 2022 to July 2023, specialising in cryptocurrencies. Earlier in his career, he worked as a web and video journalist at BFM Business and as a video journalist at Le Figaro. He also taught journalism at IICP in Paris for three and a half years, with a focus on web video journalism. Tellier is a graduate of Sciences Po Grenoble and the University of Lille.
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