These are the highlights of already featured links or links that would be helpful to understanding Bitcoin and Blockchain Technology.
https://www.coinbase.com/join/52570ca75308dda35e000033
use the link above, buy 100.00 of Bitcoin - Get 10.00 Free Bitcoin As Reward
https://www.genesis-mining.com/a/702939
use the link above to check out Genesis-Mining before you buy your contract
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https://poloniex.com - https://bittrex.com/
leading exchanges used by crypto traders, you can also obtain additional wallet addresses for mining coins at Poloniex or Bittrex by joining for free
http://coinmarketcap.com/currencies/views/all/
see all 700+ crypto-coins here
get the dirt and latest news on the industry
one place to see ICO's that are on-going