During a routine cross-chain attestation setup in the CreatorPad task, what stopped me was realizing exactly where Sign Protocol ($SIGN #SignDigitalSovereignInfra @SignOfficial ) slots into broader messaging architectures—not as a standalone messenger, but as a specialized overlay that quietly borrows the pipes already in place. Issuing a simple credential on Ethereum felt immediate and clean, the kind of flow the docs highlight. Yet pulling that same verifiable claim across to TON routed it through external relayers anyway, introducing a consistent multi-block delay that the modular design choice never quite hides. It wasn’t broken, just less abstracted than the omnichain narrative suggests, exposing how much the protocol still leans on the reliability of whatever underlying messaging layer happens to be live. That small inheritance of friction stayed with me, leaving me wondering how many such layers we keep stacking before the everyday user experience finally feels as seamless as the diagrams promise.