> Another thing I feel would be a flaw is the inability to increase and decrease the money supply - something central banks often do with fiat money to stimulate the economy.
Preventing that type of manipulation might actually be the motivation for Bitcoin's creation. Satoshi embedded the text "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks" into the first coinbase in the blockchain¹. Inflation is a tax on savings that similarly benefits the money manipulators at the expense of common people with less control of the currency.