My suggestion is I definitely won't invest Tokenpay, even they partnership to a lot of popular project, main reason is tokenpay don't paid bounty reward at the end of campaign, check this post:
https://bitcointalk.org/index.php?topic=2400499.0, they cheat us and scam all the participant, Why still support their project? do you know they raised a lot of fund during ICO sale? anyway, good luck