Mastercard commissioned Lonergan Research, and surveyed 1,040 Australians to find out what biometric technology they liked when it came to paying for goods and services.Fingerprint authentication technology was the most favoured method of biometric payment, with more than three in five saying they will use it by 2025.Facial recognition was next, at 45%, retina or iris scan at 45%, and voice recognition at 38%.Sthaler worked with music festival industry to develop a cashless, card-free payment system that was available to everyone. The company developed Fingopay, using VeinID technology, in partnership with Hitachi. Blue Star Capital PLC (LON:BLU) is an investing company with a focus on new technologies. Blue Star's investments include a 0.9% holding in Sthaler.