Trust is a crucial component of cooperative, mutually beneficial interpersonal relationships,penetrating all human social interactions (see Glossary) across all facets of private and public social lives. When we trust each other, society is more inclusive and open, economic devel-opment is furthered, and feelings of well-being flourish [1]. At the same time, however, trustrelationships are unstable and portray a social dilemma. Trusting another person is associated with uncertainty, which gives rise to the prevalence of deceivers and cheaters in human society.