You will never be able to buy a cup of coffee with BTC. The transaction takes 40+ minutes to confirm. BTC will be used for money transfer, online payments, etc. NYC has a huge advantage over BTC because transaction confirmations take only 2 minutes. That is a huge advantage that BTC will never be able to overcome. BTC is 5+ years old and has tons more services, infrastructure, acceptance, support, etc. NYC is only 3 months old and has a built-in security and technical advantage. MUCH FASTER TRANSACTION CONFIRMATIONS.