Ambre Soubiran is the chief executive of one of crypto’s most essential data startups, Kaiko. A mathematician by training, Soubrian left an analyst job at HSBC for the crypto industry, predicting that blockchain would reinvent banking. The Chicago-native living in Paris is the latest to take CoinDesk Confidential, a survey not like many others. Like the Proust Questionnaire it is modeled after, our survey asks a series of brief, offbeat and sometimes intimate questions aimed at getting to the heart of someone’s psychology. Soubrian is a speaker at the Consensus festival in Austin, Texas.