As sweet as this idea may sound, this is just a utopian ideology. Most of the features of the "happy money" are completely against the human (and by extension every animal's) nature. One of the things that make human beings thrive is the concept of competition. Competition pushes humans to make use of their intellect and develop their ingenuity. This is because through competition we try to make something that is in existence better than what we already have. As a result, it helps to put our brains to work and create competition and variety for that product or service.

But if this basic feature is denied us, it will lead to boredom, give back the control of our life to a few selfish individuals (Governments), and kill our ability to think outside the box. These are the very things bitcoin and other cryptocurrencies have come to end. There is no difference between control of this "happiness money" and fiat as we know it now.