This seems to be the kind of peer to peer trading that is needed. It allows two traders to trade without trusting a third entity with their money by keeping their money in their own wallet.
>>> “Peer-to-peer cryptocurrency trading platform Bitcoin Global has launched its mobile app for iOS and Android devices. In addition to a fast and anonymous way to buy and sell digital assets for fiat, the mobile app features a secure wallet, access to a referral program and more.“
news.bitcoin.com/bitcoin-global-launches-p2p-crypto-trading-app-for-mobile-devices/