This week news.Bitcoin.com spoke with the team behind a new trading platform called Dex.top — a decentralized exchange built using a smart contract. According to the Dex.top developers the exchange has no access to a user’s private key and assets are never held on the Dex. This means, much like the cryptocurrency wallets out there that allow individuals full control over their private keys, Dex does the same as it acts a non-custodial trading platform.
https://news.bitcoin.com/smart-contract-based-decentralized-exchange-dex-top-launches-this-month/