Very nice! Is there a reason why the start and end signature is different? s4 v0.5 || S4 vs s4 v0.5||S4 Also is it a security risk if you would include in the

Very nice! Is there a reason why the start and end signature is different? s4 v0.5 || S4 vs s4 v0.5||S4 Also is it a security risk if you would include in the secrets how many are needed for decoding?