Update:
The owner of a hash and weed shop stated that he would use Bitcoin with BitKassa (https://www.bitkassa.nl) and no other chain.
Let's see. To send from username to username is definitely interesting to him but he trusts only proof-of-work at the moment.
Pic mountain:
Pic BitKassa: https://www.bitkassa.nl
Shla-Rafia Rumour Mills, Amsterdam 2017
