Bull Market Breather? Bitcoin Retreats After Run on $20k

  1. Bull Market Breather? Bitcoin Retreats After Run on $20k  CoinDesk
  2. Bitcoin debuts on the world’s largest futures exchange, and prices fall slightly  CNBC
  3. Bitcoin bubble warnings grow louder as futures trading begins on CME – as it …  The Guardian
  4. Even bitcoin must follow basic economic rules  Toronto Star
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