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Alvaro Polo Valdenebro is a co-founder of Coinffeine, a decentralized P2P bitcoin exchange platform and the first cryptocurrency project to be backed by a bank, Bankinter. Today he is Principal Software Development Engineer at Cabify. He has previously held positions as a Software Engineer at JobandTalent and in the R&D department of Telefonica. Valdenebro has also been a professor at Rey Juan Carlos University, teaching subjects including Networking, Distributed Software Architectures, Distributed Multimedia Services, Operating Systems and Foundations of Programming. 

Sebastián Ortega is a Computer Science Engineer and co-founder of Coinffeine, a P2P bitcoin exchange platform and the first cyrptocurrency project to be backed a bank, Bankinter.Currently he works as a Data Engineer at Letgo. From 2011 to 2014 he worked in R&D for Telefonica, and has also worked as a Data Engineer at JobandTalent.According to his LinkedIn profile, Ortega hosts a software development podcast and publishes a tech and coding blog in his free time. 

Joaquín Guanter Gonzálbez, also known as Ximo, is a co-founder and former CTO of Coinffeine, a P2P bitcoin exchange platform backed by Bankinter .He has a degree in Computer Engineering from the Polytechnic University of Valencia (UPC) with a specialization in Language Theory and AI.  For more than six years he worked as a Software Developer at Microsoft and since 2012 he's been working for the R&D department at Telefónica. His expertize and interests are focused on programming languages, AI and statistics. 

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