It is a great video interview and you get a good overview of the Tachain project. The COO explains the different possibilities of advertising and transport. I follow Tachain for some months, but I don't think that it is a riskfree investment.
well it depends on the angle you are looking at it from it can be risk-free when you consider what tachain is trying to offer and how it affects the industry and at the same time the team is ensuring every investor is assured of their investment so it all boils down to how you perceive your investment