The flaws too are well-known, such as: lack of inflation causes hoarding, speculative overpricing, and price volatility; that and fixed mining reward leads to concentration of mining; no ways to reward relay nodes; no way to fix fees; no way to reverse fraudulent or criminal attacks; and more...

Bitcoin was a great advance towards the solution of the old problem of designing a decentralized payment system; but it is not the solution yet.  We must wait for another Satoshi or two to invent the parts that are still missing...