Some entrepreneurial type could probably make some money doing that....allowing people to set aside their OWN blood for possible use by themselves, or another person they designate...kinda like giving away a kidney (which a friend of mine did.)
Storage of your own blood information.....hmmmm....
http://voices.yahoo.com/10-useful-tips-storing-own-blood-upcoming-3918144.html
Blood banks will already do that; it’s an autologous donation. Prior to scheduled surgery, for example.