(1) (PoA) (
Proof-
Of-
Authority) A blockchain consensus method. See
proof-of-authority algorithm.
(2) (PoA) (
Proof-
Of-
Access) A decentralized storage consensus method. See
proof-of-access algorithm.
(3) (
Portable
Object
Adapter) In the CORBA system, POA refers to the part of the ORB responsible for managing server-side operations. POA policies are set to allocate and deallocate resources, to determine how long object instances are maintained and to deal with system failures. The POA replaces the Basic Object Adapter (BOA), CORBA's first object adapter. See
instance and
CORBA.