Bitcoin only "solves" one part of trust. The blockchain transaction is perfect but to be of any use there is a corresponding exchange of some service or good or

Bitcoin only "solves" one part of trust. The blockchain transaction is perfect but to be of any use there is a corresponding exchange of some service or good or title. Even if the transaction is to exchange currencies from two different chains, trust or a trusted escrow or trusted multiparty consensus is needed. Trust can only be eliminated in narrow circumstances involving low-risk transactions or in environments with some extrinsic enforcing mechanism. For a cautionary tale see https://aeon.co/essays/why-the-hidden-internet-can-t-be-a-libertarian-paradise https://aeon.co/essays/why-the-hidden-internet-can-t-be-a-li...