<aside> 🙋 Take a few important steps to secure your wallet.
</aside>
So, make sure to revoke accesses you gave via Metamask by signing in your wallet when accessing Web3-based sites: revoke.cash or https://etherscan.io/tokenapprovalchecker
Don’t trust web3 marketplaces you don’t know (do your own research before signing in Metamask to give access to your wallet) and don’t “sign” if you don’t know what it is you’re signing.
The mix of web2 tools and web3 platforms can be dangerous so make sure that the sender email address is accurate and that the information is confirmed on the platform itself.
... like Ledger or Trezor. Cold means that they are not linked to the Internet, like Metamask, which is a hot wallet.
Opensea uses a checkmark like Twitter for the large collections or make sure the collection you consider acquiring is from a reliable source.
... or in a secure password management system. The safest is still to write down the 12 words on a piece of paper saved in your safe or at your notary.
OpenSea Hack: Key Takeaways on Web3 Security
Beginner's Guide: How to Safeguard Your NFT Collection Against Hacks