Useful services
Twitter (X) is a key social network where all the important events in the crypto world take place. It contains a lot of useful information, but you need to learn how to filter correctly; you can start by subscribing to the legendary GCR.
DropStab is an excellent alternative to CoinMarketCap, I don’t know why I was so hooked, but CMC has faded into the background.
SpotOnChain is a site that filters and tracks transactions of major players.
Nansen is a very convenient on-chain browser; the free version is very limited, but it seems to be quite informative.
Arkham is a free and harsh on-chain browser, you will have to look for information yourself, but sometimes it can be good entertainment for an evening or even two)
DeBank is a Web3 social network. You can watch the movements of smart wallets in live mode.
ChatGPT is the most popular AI, I think it needs no introduction. The free version contains information until 2022, but with the right queries you can find a quick answer to your question.