Open
Description
On the SDK implementation, we updated ICS23 to return an error when the verification failed. Would it be possible to do the same here now that we doing the migration?
cc: @cwgoes @AdityaSripal
https://github.com/confio/ics23/blob/9f53dd0c42123f18211f8671500d257696fd32e0/go/ics23.go#L36
https://github.com/confio/ics23/blob/9f53dd0c42123f18211f8671500d257696fd32e0/go/ics23.go#L52