A quantum computer can crack ethereum and bitcoin in 1 hour. So now there are many forks that are more protected
I wonder when did you get that information because according to what I have read even a quantum computer would take years to cracked the blockchain.
According to MIT Technology Review, Bitcoin doesnt have any plans to revise its current security protocols just yet, but with usable quantum computers still a decade or two away, cryptocurrency platforms have time to reconsider their encryption methods.
Its easy to romanticize quantum computing. And while the technology is closer than you think, its not magic, said Hurley. It will not be the end of encryption, as many propose.
Source : https://futurism.com/bitcoins-security-quantum-computers/So much for quantum computers and still even if we can go that far and we are surely heading that way, there are some improvements like quantum cryptography, and the cryptographic technology is on its continuous development too. So rest easy.
Yes bitcoin can be hack. allot of users here complain about getting hacked.
What I would say is get an trusted online wallet with good security to save your bitcoin for future purposes.
and you will be fine.
WE have heard enough of this which I don't really experienced for two years. Maybe we are being hacked because of our own carelessness and lack of knowledge in computer security but no one in this generation can (NOW) can hacked the BTC blockchain because it is impossible for now so lets forget that hacking thing and lets just learn how to work safely online and offline cause wallets are just like the real world wallets that can be stolen if we are not careful enough.
By the way this is a pretty good read too:
https://news.bitcoin.com/is-bitcoin-at-risk-as-google-and-ibm-aim-for-50-qubit-quantum-computers/