So many requirements for digital cash - You want control to fight fraud/bad actors - You don't want to much control for a single party (incl gov) - It should

So many requirements for digital cash - You want control to fight fraud/bad actors - You don't want to much control for a single party (incl gov) - It should work without necessary global communications (e.g. post disaster; global consensus like Bitcoin won't help there) - Users want privacy - Usual stuff like no double spending - Transparency would be nice to verify correctness and no abuse by your bank - Easy to use We'll have a hard time finding a replacement satisfying them all. I wonder what we'll be willing to give up.