attributional trust

Definition

KERI offers cryptographic root-of-trust to establish attributional trust. In the real world you'd also need reputational trust. You can't have reputation without attributional trust.
Read more in source Universal Identifier Theory

OOBI

Out-of-band Introductions (OOBIs) to establish attributional trust, like its done with OOBIs in KERI, is not the same as the high friction costs of establishing reputational trust by going through the heavy lifting of identity assurance by a to be trusted middle-men party, like GLEIF.