blockchain.rawto your full node to be used as the
blockchain.rawfile can be found on X-Cash communities.
blockchain.rawfile that you exported earlier.
blockchain.rawwill in most cases not speed up the process over syncing up from p2p network. This is because usual bottlenecks are disk IO and verification, not the download itself.
./xcash-blockchain-import --stagenet --input-file=/tmp/blockchain.raw