Check out Blocknet, it dubs itself as the ‘internet of blockchains’. The Blocknet Protocol is a true peer-to-peer protocol between nodes on different blockchains, which enables the transfer of data and value between blockchains and opens the door to cross-chain Dapps. And it also employs the strategy of masternodes too as it is a POS coin. Also,  Blocknet masternode is generating $45 daily which is around $16,000 annually as per the current price of Blocknet.