Powered by blockchain technology, the price of one bitcoin reached a new all-time high of almost $70,000 in November 2021. The price gains were mostly attributed to new institutional investors entering the market and buying bitcoin. I first wrote about cryptocurrencies in 2013 when bitcoin was still a novelty. Yet, as I'm writing this, the combined market cap of cryptocurrencies is over $2 trillion, with bitcoin accounting for nearly half. According to data from Coinmarketcap, the price of bitcoin can fluctuate widely across various trading venues, although in recent years the cryptocurrency markets have become more efficient — despite the high volatility.