Being crypto enthusiast will give users choice and chance to select which exchange will be best for them to either trade or transact their received token/coin although users have in time fall victim of dubious exchange it's always advisable before engaging in any exchange to make basic and necessary research here's my finding on PoloniDEX it has no bad review, so far trading activities conducted on the exchange are very transparent no price manipulate, Interestinly the exchange is an affiliate with a popular exchange Poloniex exchange which gives it a solid transparent criteria in sight of investors/traders.
For new users and pro traders in the crypto space PoloniDEX is a scalable crypto to crypto exchange platform because of it flexibility it offers users a non custodial access use which means users when they create their account are sole responsible for their account basic security you're in absolute control of your trading account, in essence it's a decentralize trading platform launched in 2018 with 4 language including english and chinese it can be accessed globally.
Interestinly with your tron wallet you can start making payments/transaction directly on PoloniDEX this also give users direct access to control their fund without any third party interference, it has good trading liquidity with available order book and price chart for traders.
One downside of PoloniDEX is when you lost you account password it likely impossible to gain your account back. make sure your keys are backup. it support only Crypto pairs for exchange.