Verifying identity comes down to making the probabilistic determination that the risk of the claimant NOT in fact being the one he claims to be is vanishingly small or, at least, too negligible to be worth bothering about.

ECONOMIST: Fake ID cards

In their determination not to make a wrong bet, nobody is taking on risk.

BBC: City Diaries: 4 June

As global regulators look for ways to reduce risk, CLS Bank offers an interesting model, although one that shows how much thought, time, and determination is required across national boundaries.

FORBES: The Quietest Big Bank You've Never Heard Of