Libra's Unresolved Puzzles
Exactly what kind of money will Libra be? The white papers under-specify the core mechanism that is supposed to control the value and quantity of Libra. Is the Libra Reserve really like a currency board? Or is Libra meant to be like a mutual funds share, redeemable (by authorized resellers, not by the public directly) at the net asset value of a low-risk mutual fund diversified across several fiat currencies?