They just announced that they are zero-risk investment option that gives security to investors, in addition to offering Tachain for anyone who is not satisfied with their project to return the initial investment for the amount of money originally purchased TCHN token after a period of 12 months.
Source:
https://t.me/TAChain_ENWow, that's like giving a one year warranty (so to speak) to investors. But that's really exposing them to a lot of potential risks though.