They do, it's just that the way they do that has nothing to do with ETH or BTC http://www.r3cev.com/blog/2016/4/4/introducing-r3-corda-a-distributed-ledger-desi

They do, it's just that the way they do that has nothing to do with ETH or BTC http://www.r3cev.com/blog/2016/4/4/introducing-r3-corda-a-distributed-ledger-designed-for-financial-services http://www.r3cev.com/blog/2016/4/4/introducing-r3-corda-a-di...