Fritz Zurbruegg, vice chairman of Swiss National Bank, the country’s central bank, has said that documents of Facebook’s proposed cryptocurrency, Libra, are “very vague.” The central bank is in close contact with relevant authorities, but “at the moment, it’s difficult to perform a full analysis (of the project) because the available documents are very vague […]The post Facebook’s Libra documents are ‘very vague’, says Switzerland central bank official appeared first on The Block.