Cryptocurrencies have been compared to ponzi schemes, and economic bubbles. Investment and transaction risks associated with cryptocurrencies have alarmed various governments and tiol regulators. GBL, a Chinese bitcoin trading platform, was suddenly shut down on October 26, 2013 and caused a loss up to $5 million worth of bitcoin. In February 2014, the world’s largest bitcoin exchange, Mt Gox, was declared bankrupt due to theft. It caused an estimated loss of $473 million to the bitcoin customer. On November 21, 2017, the crypto-currency med Tether announced that they were hacked, causing a loss of $31 million USD from their primary wallet. On December 6, 2017, more than $60 million worth of bitcoin was stolen after a cyber attack hit the cryptocurrency mining platform Nice Hash. Such incidents have made many governments adopt a cautious approach to cryptocurrencies, and they have realized the effects that cryptocurrencies could have on the fincial security of a country.