Bitcoin surge triggers alarm bells Bitcoin prices soared wildly ahead of a planned launch of futures contracts for cryptocurrencies. The price on Coinbase topped $17,000, stoking concerns that bitcoin is a bubble that’s set to burst Coinbase bitcoin price (US$’000, GMT) Dec 8, 09:00GMT: $16,155.03 $12 million Current value of $100 of bitcoin bought at start of 2013 Dec 6: $11,756.44 $17,638 $17,226 18 16 14 12 10 12:00 12:00 09:00 DEC 6 DEC 7 DEC 8 Source: Coinbase, Reuters © GRAPHIC NEWS