Polygone transfer not showing

Hi! I have two issues please:
1- i bought polygne with eth but metamask is not showing them even thought transaction on etherscan was successful.
Here is transaction :

I have entered the matic mainmet network with the below settings isn’t this the right one?

2-i tried to buy an NFT on opensea and got th

following error .

Hope you can help asap!:pray::pray:

Validate your account

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