Does "Renting your spare room" (airbnb) or "Renting your car" (uber) sound sketchy? It's all about how the protocol works and the security guarantees on top. Us

Does "Renting your spare room" (airbnb) or "Renting your car" (uber) sound sketchy? It's all about how the protocol works and the security guarantees on top. Users should store pre-encrypted files. (except for public goods, like wikipedia)