continuous line drawing of a hand holding a smartphone, with a pos infrared scanner aimed at the screen to scan a qr code for

continuous sstktechnology abstract activity automation black white cashless conceptual line drawing convenience creative design device digital interaction efficient figure financial technology fintech futuristic gadget graphic handheld human integration linear mobile payment modern monochrome neat organized outline pos infrared scanner code representation scan screen seamless secure simple sketch smart smartphone task tech transaction hand holding aimed contactless modernity