A survey of people in the US has found that biometric payment options are increasingly seen as preferable to traditional methods such as cash.In the survey by payments firm Viewpost, an overwhelming majority of respondents, 80 percent, are looking forward to future payment technologies and are in favor of tools like sensor fingerprinting, facial recognition, retinal scanning and voice control.Fifty percent of the 1,000 US consumers surveyed said fingerprint technology will be used for authentication to pay and receive payments over the next decade.The survey found 35 percent of respondents see facial recognition as a vital authentication technology for making payments within the next ten years, while 32 percent of consumers say they trust the technology for securing e-payments.Viewpost found 31 percent of Americans see retinal scanning as a feasible technology for verifying payments, while 18 percent said they see themselves using voice control to make purchases within the next 10 years.