Why can not I upload pictures at Identity Verification step (KYC)? Biztranex October 19, 2018 13:53 Follow Please check your image format and size. Biztranex only accepts image format is .jpg and size up to 5 MB. Related articles How to change the name on Biztranex ? How long does it take to process Identity Verification (KYC)? Why i can't click on Active button? Comments 0 comments Article is closed for comments.