The first adopter of Cardano, Traxia is used in the invoice buying, selling and investing process. This latest video by LiqEase give a better understanding of how the LiqEase platform works. Traxia (TMT) is currently an ERC20 token that runs on the ETH blockchain but will migrate to Cardano when Cardano is ready.
For token traders like me, I personally would not use the software platform as an investor, but I can still collect the tokens for speculation that this platform will be a success. The token I think is most similar to Traxia is Populous (PPT). Here is the video: