Investors invest with the hope of making good returns. But among the various asset classes available today, cryptocurrencies, which have a market capitalisation of about $2.2 trillion, have emerged as one of the most fast-moving and volatile in 2021. By one estimate (investopedia.com), there are more than 8,000 cryptocurrencies in existence as of December 2021. The asset class has a high number of investors, too—more than 300 million crypto users in the world, according to Singapore-based crypto information provider platform triple-a.io.