Interoperability as we know is a major problem in blockchain industry, Wanchain is a project that deals with this by creating a platform to that can connect all public and private blockchain to allow flow of assets both traditional and cryptocurrency.
It's token WAN can connect various digital assets and cause financial transaction involving these digital assets to be executed over a distributed network.
How did it achieve this? It is through the accounts setup from different blockchains. Already, it has succeeded in connecting with ethereum blockchain and Bitcoin blockchain is equally on the way.