Bitcoin has quadrupled in value in six months

Thought that the days of cryptocurrency bubble are behind you? Think again. 
On Tuesday, the price of Bitcoin hit a new yearly high of $12,867 per coin according to CoinMarketCap, and that's after crushing the psychological $10,000 barrier just days ago. 
To put things into perspective: The price of Bitcoin has quadrupled in just six months after hitting a yearly low of about $3,200 in Dec. 2018. 
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