The following crypto portals provide a wealth of information about major cryptocurrencies and decentralized finance (DeFi). See crypto market cap
and crypto glossary
Crypto ticker (see CryptoCompare).
Crypto/DeFi rankings (see CoinMarketCap).
Bitcoin blocks (see Bitcoin block explorer).
Ethereum blocks (see Etherscan).
dApps overview (see Stateofthedapps).
NFT collections (see NFT Stats and NFTGo).
Metrics (see crypto onchain metrics).
Asset predictions (see IntotheBlock).
News and info (see CoinDesk and Blockworks).
Miscellaneous rankings (see CoinGecko).
Crypto research (see SIMETRI).