Bitcoin Bubble

Bitcoin is worthless, bubble may pop soon, says Allianz Global

the world's largest cryptocurrency "ticks all of the boxes" of the essential criteria for any asset bubble

Bitcoin's huge arbitrage play just vanished as South Korea bubble pops

Prices for the virtual currency in South Korea have tumbled back in line with those on overseas exchanges

Bitcoin hits $11,000: Why cyptocurrencies need global regulation urgently

Cryptocurrencies are decentralised, meaning that they are issued without a central administering authority

Bubble trouble? Bitcoin breaches $11,000, but fades after sharp rally

Bitcoin's rapid ascent has led to countless warnings that it has reached bubble territory

Bitcoin breaks the $11,000 barrier

Some on Wall Street are embracing the run, with more than 100 hedge funds now dedicated to digital currencies

Bitcoin tops $11,000 barrier after $1,000 surge in 12 hours

bitcoin uses encryption and a blockchain database that enables the fast and anonymous transfer of funds

Video: Decoding Bitcoin, the digital currency

All you need to know about cryptocurrencies like Bitcoin, how they work, what are the risks, and why there is so much controversy surrounding them

Bitcoin is very definition of a bubble: Credit Suisse CEO

Other bankers have also expressed scepticism about the currency