StartX has contributed to a $20m series A round for UnifyID, the operator of an authentication platform that has now secured $23.4m.

US-based authentication technology developer UnifyID raised $20m in a series A round on Monday from investors including Stanford University’s StartX Fund.

The round was led by New Enterprise Associates (NEA) and also included Andreessen Horowitz and Accomplice Ventures.

UnifyID has created an authentication platform that relies on sensors built into everyday devices and uses machine learning to identify users based on more than 100 unique characteristics such as the way they walk, sit and type. It requires no manual input…