Cryptocurrency Market Capitalizations, Coin Value, Trade Volume and Supply for ALL Crypto Assets can be found at coinmarketcap.com
The more immersed in Crypto Space you become, you will find yourself visiting this site quite often, perhaps even daily!
Other valuable resources are blockexplorer.com & etherscan.io, open source web tools that allows you to view information about blocks, addresses, and transactions on the blockchains. The source codes are on GitHub.
JennyBit Favorites: BTC, LTC, ETH, EOS, BAT, SALT, OMG, STORJ, NEO, BCC, QUA, PAY, LSK, GNT, MNX, XLM ..and more! The coins I chose to list here, have stellar visions and are actively bringing their exceptional concepts to fruition.
All these coins can be tracked at coinmarketcap.com