PundiX is the name of the Cosmos SDK application for Pundi X Chain.
About the PundiX Core: The PundiX Core also known as a Hub is the first Core to be launched on the PundiX Network. The role of a Core is to facilitate transfers between blockchains. If a blockchain connects to a Core via inter blockchain communication (IBC), it automatically gains access to all the other blockchains that are connected to that Core. The PundiX Core is a public Proof-of-Stake chain. It's native coin is the PUNDIX.
pundixd: The PundiX Daemon and command-line interface (CLI) runs a full-node of the pundixd application.