Blockchain, the silent giant, his trail of patents and the challenge of control

Naturalized in a short time and surely "native word" for the next generation, blockchain is today a true paradox in at least two senses: being a term that is already generalized, few can say with certainty what it is about; and being the object of permanent patenting, it is a technology that is not yet largely put at the service of society... (Reed in english / Lea en español)