NCR is one of five companies investing in Sensar, a US based inventor of eye scanning technology for ATMs.
Sensar's scanning machines identify people through the iris of their eyes, a potential improvement on current methods of security and customer identification.
NCR is testing the technology in a trial in Swindon, UK and claimed 74 per cent of the participants had responded positively to the system.
Citigroup and three other financial services companies are also ploughing funds into the New Jersey start-up, which said it would use the money for product development and to fund further pilots.
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Findings could mean new optical frequencies to transmit more data along optical cables