Among the interesting stories featured in today's edition of Bitcoin in Brief are the new crypto tokens added by Pornhub, Fcoin founder's defense of the controversial trans-fee mining practice and an update on the upcoming launch of Coinbase Pro. Bigwigs Talking Bitcoin vs Blockchain The Daily: Pornhub Adds New Tokens, Fcoin Defends Trans-Fee, Coinbase Goes ProA few well known people who don't routinely speak about Bitcoin and blockchain technology have recently shared their opinions about the subjects. Jack Ma, the Chinese billionaire behind Alibaba Group, opined that "Blockchain technology could change our world more than people imagine. Bitcoin, however, could be a bubble." And he added that "traditional financial institutions serve 20 percent of people and make 80 percent of profits. New financial institutions should service 80 percent of people, and make 20 percent of profit." Steve Wozniak, the Bitcoin-loving co-founder of Apple, has on the other h...