The 'Market Cap' of bitcoin is more a reflection of how much people believe in its future value. It's not a very good indicator of current adoption. For adopti

The 'Market Cap' of bitcoin is more a reflection of how much people believe in its future value. It's not a very good indicator of current adoption. For adoption, you'd want to look more at data like transaction numbers, transaction value, merchants accepting it and order statistics from retailers. There's not much data, though.