[rorykoehler]

I doubt that will take off purely due to the comfort of having someone to call if things go wrong. It may work in other industries where the cost of failure is lower (eg taxis/uber) but not for short term accommodation.

[contingencies]

It's inevitable that a trust implementation outside of marketplace services eventually dominates. This removes most of their value add.

[ggg9990]

That’s not necessarily inevitable since a large part of what makes marketplace trust metrics hard to game is that it costs a lot of money to drive fake transactions through it, since the marketplace will be taking its cut each time.

[whataretensors]

There are clever solutions to this. Escrow works even in bitcoin. Then at a certain point you call the police. No reason to insert a hugely expensive third party in a 2 party transaction.

Edit: It's more than one hugely expensive third party if you consider each level of local government gets involved.