https://www.reuters.com/article/us-britain-boe-cunliffe-bitcoin/bitcoin-not-big-enough-to-threaten-world-economy-boe-deputy-says-idUSKBN1DT0NV >Bitcoin is not at a size where it would pose a risk to the global economy, Bank of England Deputy Governor Jon Cunliffe said on Wednesday, as the virtual currency soared to a record high above $10,000 on major exchange.