Uniqueness
This is achieved through the method of demographic and biometric deduplication. The deduplication process compares a resident’s demographic and biometric information with the records within the UIDAI database. Therefore, an individual must enroll for Aadhaar only once since multiple enrollment applications will be rejected.
Portability
Aadhaar gives nationwide portability since it can be authenticated online. This is critical as millions of Indians migrate from one state to a different state or from rural to urban areas.
Distinctive numbering
An aadhaar number is a unique number generated randomly, devoid of any intelligence. Any resident enrolling for Aadhaar has to provide demographic details and biometric information during the enrolment process. However, the Aadhaar enrolment process doesn’t capture information relating to caste, religion, health, income, etc. However, with the increased linking of Aadhaar with various organizations, Aadhaar has become more powerful than what it was five years ago.
Scalable technology architecture
The UID architecture is open and scalable. A resident’s data is stored centrally, and authentication is carried out online. The aadhaar authentication service is built to handle an average of hundred million authentications a day.
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