Processor is fingerprinting/identifying me even when I use rdp/ multilogin /

[LamerOnLine]

Last year I was hitting a retail processor for about 18 months via various retail stores. Now they've updated their systems and are fingerprinting, at first i got around this using Multilogin which generates new prints, config etc, after a month they started declining all my orders when using multilogin too. So i used a burner phone and got 1 order processed per browser .. then that too was fingerprint blocked too. I've tried using RDP ( Which i have no idea how they could possible fingerprint me through a fresh RDP) But orders are declining. Can anyone suggest how i get around this?
Thanks