At present, the topic that most affects investors' nerves is how long bitcoin can survive.

Recently, Marion labour, an analyst at Deutsche Bank, said that as long as asset management companies and enterprises continue to buy, bitcoin prices are likely to continue to rise.

The US fiscal policy stimulus and the global economic recovery are expected to be strong. Under the background of high inflation expectations in the future, bitcoin with a fixed aggregate cap has become an anti inflation asset and is sought after by the market. It can be expected that if the economy recovers in the second half of this year and the tone of loose monetary policy remains unchanged, bitcoin may rise again.

Behind the crazy rise, risks are surging. Recently, Bafin issued a virtual currency warning to consumers, saying: "despite the recent record prices, bitcoin and other virtual currencies are high-risk and speculative investments.".

Bafin added that virtual currencies are largely unregulated in the EU at the moment and do not provide any protection for investors' losses.

A month ago, bank for International Settlements President Carstens also publicly pointed out that bitcoin is more a speculative asset than a currency because it lacks real value support. Mr Carstens also suggested that "investors must realize that bitcoin is likely to collapse completely.".