Coinbase.io is 1 year and 5 months old Coinbase.com has not taken it (because they can't)
I am selling the domain coinbase.io
Proof:
http://coinbase.io/proof.htmlI am taking offers now, the domain is available for transfer in two weeks from now if you want to buy with PayPal/bitcoin.
If you would like to pay via credit/debit through park.io as middleman, the sal can be made immediately.
Serious offers only.