Finally, $ARB came to the crypto world and all are in the hype, FUD and other ones (unfortunately) got scammed by fake contracts.
With the evolution and growth of decentralized exchanges together with open source code, everyone can launch a new token and add liquidity on DEX. It's perfect chance for scammers to use fake token and scam naive people.
Two golden pages to start searching for basic information in cryptocurrency are Coinmarketcap.com and Coingecko.com.
Visit them, type in Search box like a project name and use their results to double check with Google.
For hot projects like Arbitrum, its trading volume in general and liquidity pools on DEX should be very big. So it's easy to detect fake tokens by looking at their liquidity which is surely low.
https://www.dextools.io/app/enhttps://dex.guru/https://dex.guru/