An apparatus, method, system and use of a least one sensor in a reverse vending machine for empty beverage containers for, on the sensor's detection at least one biometric feature of a person, allowing such a feature to serve as an identifying token for return value due for empty beverage containers delivered by the person to the reverse vending machine. The biometric feature is, at a return value payout point and by using at least one other sensor, redetected and re-recognized as a previously registered feature for payment of the return value in the form of a payout of the return value, credit for the return value or issuance of a lottery ticket with a stake equivalent to the return value. Said biometric feature is selected from at least one of the group consisting of: fingerprints, facial features, eye characteristics, iris features, handprints, palm line patterns, blood vessel patterns, body shape, height, weight, DNA-characteristics and voice spectrum.