Abstract: A mechanism for securing a mobile app for execution on a mobile device. The mechanism includes loading a non-trusted portion of the mobile app from a non-trusted application provider onto the mobile device, operating a key provisioning server to generate keys associated with a trusted execution environment, transmitting the keys associated with the trusted execution environment to the mobile device and to a key directory server, authenticate the mobile device, and upon authenticating the mobile device, transmitting a trusted portion of the mobile app including a trusted application to the mobile device, and installing the trusted portion of the mobile app on the mobile device thereby providing a trusted execution environment. Other systems and methods are disclosed.

Abstract: There is provided a compound having Formula I In Formula I: E1-E4 are CH, CD, or N, where one and only one of E1-E4 is N; Ar1 is an N-heterocycle or a deuterated N-heterocycle; Ar2 is aryl, heteroaryl, diarylamino, or deuterated analogs thereof; R1 and R2 are the same or different and are D, alkyl, silyl, aryl, heteroaryl, deuterated alkyl, deuterated silyl, deuterated aryl, or deuterated heteroaryl; and a and al are the same or different and are integers from 0-3.