Ethereum is the permissionless public Blockchain. And Hyperledger Fabric is the permissioned private blockchain. You can achieve permissioning in Ethereum with developing a new layer on top of it and you can achieve permissionless architecture in Hyperledger Fabric by opening it up to the public. Further, as ethereum deployment would be simple, we could also just deploy multiple networks to get the same effect as private channels of the Fabric architecture. However, you don’t