Question: Some Bitcoin hacks in the past. Does this mean there is a flaw within the Bitcoin protocol?
The truth is, Bitcoin protocol has never been hacked.
But Bitcoin has been stolen in several occasions due to vulnerable security reasons.
As Bitcoin gains more value users, it is important to secure wallet and private keys.
These days, some exchange and brokers are offering many security majors to protect Bitcoin users, such as wallet encryption, offline wallets, hardware wallets, and multi-signature transactions.