It sounds like they are adding a ton of new ways to earn fight money to boot so if you have the game already I think this is completely fair. (blog.us.playstation.com)
But I firmly believe all characters apart from any what are free in the future should still have to be unlocked with fight money or real money. (blog.us.playstation.com)
A set of rules has been also adopted to fight money laundering and protect customers of digital currency exchanges. (coinfox.info)