Don't see security questions addressed. Any transaction involving anything of value is going to have to be full secure transaction. A secure transaction takes

Don't see security questions addressed. Any transaction involving anything of value is going to have to be full secure transaction. A secure transaction takes time and effort for a person to make. Any new supposedly "simple and easy" transaction system is going to have to remove security somewhere. Within 6 months of launch, everyone is the world is going to wake up to find one morning all their flattr cake are belong to some guy in a Former Soviet Republic. After a few failed desperate patch attempts wind up with more cake being bulk shipped to former Soviet Republics, Flattr will be declard a flop.