“Trust” is a complex concept, and has a lot of flavors of meaning. Sociologist Piotr Sztompka wrote that “trust is a bet about the future contingent actions of others.” Political science professor Russell Hardin wrote: “Trust involves giving discretion to another to affect one’s interests.” These definitions focus on trust between individuals and, by extension, their trustworthiness.
-- Bruce Schneier, Liars and Outliers: Enabling the Trust that Society Needs to Thrive