soi = Single Opt In, this is like chaturbate it gives $1 without require email validation, this guy would pay 3 times chaturbate. The email validation, more common, that's DOI (Double Opt In) where programs pay $2-$3, like crakrevenue, bongacams or ours, tubecamgirl. Now a $3 SOI it looks too good to be true, from a new nickname with no domain name or company specified. Other post:
https://gfy.com/sell-and-buy-forum/11...-networks.html
In info he lists example.com as url, and how found gfy: bhw (blackhatworld), which is as blackhat place as the name implies. That's all we know for now.