You must be granted permission by liquidity hubs who route your payment, because it is a complicated (A wants to transact with C so B signs a transaction with C

You must be granted permission by liquidity hubs who route your payment, because it is a complicated (A wants to transact with C so B signs a transaction with C contingent on an equal transaction between A and B) design. The alternative, just fucking sending your bitcoin without a trusted third party, is the only viable option. And that requires not trying to mandate a transaction limit through a completely arbitrary and manufactured block size cap