I understand sites like koinex/coinbase/etc.. credit bit coins when we try to buy bitcoins from them.

How do they (koinex/coinbase/etc..) get bitcoins to give it to users when they buy? are they doing mining and getting coins? or do they buy bitcoins from somebody who is mining ?


No, simply they sell and buy bitcoins. I sell them my bitcoins and you buy from them these bitcoins.

| improve this answer | |
  • Select the answer if it helped. – Adam Nov 28 '17 at 13:37

Not the answer you're looking for? Browse other questions tagged or ask your own question.