The rise in value of crypto-currencies such as Bitcoin has led to the introduction of a range of rival, imitator currencies across the globe, including in Australia. Companies are now offering ICO’s (initial coin offerings) – essentially the same as an IPO, but with digital tokens on offer, rather than small pieces of business ownership.

http://www.theage.com.au/business/markets/inside-the-bitcoinfuelled-ico-bubble-20170831-gy7sok.html