keystore
Definition
A keystore in KERI is the encrypted data store that hold the private keys for a collection of AIDs.
Source: Philip Feairheller.
KERI related
KERI explicitly distinguishes keystore and wallet; the latter being a superset of the former. Keep is KERI's and ACDC's user interface with Keripy agent API as a back end.
Beware
A Java Keystore is a non-related concept!