For perfect trust, sure, but amongst competitors in a same market space you would think that it&#x27;s more &#x27;imperfect&#x27; trust, even with contracts.<p>If the transactions are small and numerous, it would seem easier to maintain a block chain ledger than managing multiple write points and masters for a decentralized database.  I&#x27;m not saying it&#x27;s concrete, but it would be an interesting experiment at least.