Vitalik Buterin proposes merging one-per-person digital ID systems with social-graph-based systems to create a robust and globally distributed identity infrastructure.

Quotes that support claims

Ultimately, Buterin argued that the best outcome would be to merge one-per-person identity schemes with social-graph systems to bootstrap diverse, global identity networks.

The ideal outcome, he writes, is if one-per-person identity systems today merge with social-graph-based identity at which point there would be enough adoption to safely grow a globally distributed social graph.