The sudden loss of financial instruments will cause companies and consumers to stop spending, resulting in declining growth, sacked workers and a series of bursts. In debt. 2017 has seen most of the bubbles, of which the most obvious is the Bitcoin bubble. The digital currency has risen nearly 20 times in the past year, prompting many economists to warn of a "bubble of bubbles." If Bitcoin breaks down, its impact can also spread to traditional financial markets, including stocks.