All I know that blockchain is unhackable but not bitcoin. I've read many stories on how people lost their bitcoin by getting hacked using phishing on their online wallets and there's also reports that the old versions of electrum are prone to hack so it's not really secure.
be careful always and not be confident always check the link that you are clicking on cause there is a lot of site that can hack everything for , so think before you click this is the way on how we can protect our account.
Agreed but one way node and unique hash for each transaction make bitocoin protected to the core.Bitcoin is basically the result of blockchain technology which shares its profit for the service it offered in the form of btc which is having 10k plus valuation in the market right now. So Basically investments are done block chain which is a service and to feel the security system of blockchain lets read the next phase.
there was a news of mastercard accepting btc which ensures that blockchain technology is more secure then the framwork used by mastercard. And btc been doing great..as far as i knw all the scam was done by the third party exchange houses. Block chains have never been hacked as far as i know. How much more sercure you want. If you understand how block chain works then you can make a conclusion about the security of btc blockchain.