A Gold Coast cryptocurrency spruiker encouraged mum and dad investors to put their super into the volatile digital assets for more than five years without a financial licence, new documents allege.

Since 2018, NGS Crypto had promised investors in its cryptocurrency mining packages returns of between 6 and 16 per cent a year before the Australian Securities and Investments Commission (ASIC) secured freezing orders over the firm’s digital assets last month because it feared about $62 million invested was at risk of disappearing.