Comparison of Hyperledger Fabric & Corda Note: As of the writing of this post, the current version of Corda is v3.2 and Hyperledger Fabric v1.20

regarding “peer channel join -b mychannel.block”, it uses the following environment variable to decide which peers you are referring to. if you want to join all peers in the 2 org, change the peer0 org1. Iterate between the peer number and org number.