How much is coinbase
Don't show again. You will only see smart contracts related to the network selected. It won't create any problems for you, on sites that are not proven with time or audited.
Projects often do this to minimize the number of requests required, how do you do that. Find the one you wish to terminate.
You should see all the contracts that are allowed access to your tokens and their spending limit. While convenient, you can ethereum wallet contract all of them, but this comes with increased risk? What often happens is that such platforms ask the user for permission to spend an unlimited number of tokens in an attempt to save small amounts of gas in the future, they can spend all those tokens even if you have withdrawn your funds from their platform into your wallet. Translate page.
So, not contracts from other chains such as Polygon.