Joining Stride
Stride is the first consumer chain to perform the standalone to consumer changeover procedure and transition from a standalone validator set to using cosmoshub-4 validator set.
stride-1 network (mainnet) will perform a software upgrade and at height 4616678 that will transition the network to using the Cosmos Hub's (cosmoshub-4) validator set.
You can find instructions about the Stride consumer chain launch and joining the mainnet here.
This Excalidraw graphic explains the timeline of Stride's changeover procedure.
Note
Stride re-uses an existing transfer channel to send consumer rewards to the provider chain, in order to preserve existing transfer IBC denom between stride-1 and cosmoshub-4.