By now you've surely all heard of Bitcoin: but that's just one of many cryptocurrencies on the market. Other examples include Ethereum, IOTA, Ripple, Dash, Litecoin and Monero. These heat maps show which cryptocurrencies are hottest and where.
Cryptocurrencies are a form of digital or 'alternative' currency that use cryptography to secure and verify transactions as well as control the creation of additional units. They're famous for skyrocketing in value but are also famous for being extremely volatile.
Using stats from millions of geotagged Tweets over the last month, the folks at Be Productive created the following maps to show which cryptocurrencies have gained that most popularity in different parts of the world.