edifice

–noun

1.a building, especially one of large size or imposing appearance.
2.any large, complex system or organization.
3. An abstract structure; a school of thought.


Truth must be the foundation stone, the cement to solidify the entire social edifice.

Apart from that, there is exactly no strong edifice of biometrics on which this mega-structure is to be constructed. Patterns of iris change with age, disease and health; fingerprints can easily be tapped and copied.