When will Bitcoin become hackable?

When will Bitcoin become hackable?

Uncategorized
July 15, 2017 by Hitesh Malviya
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bitcoin

Whenever we talk about any digital platform, somewhere we are always scared of uninvited attacks. Yes, we are talking about attacks such as DDoS attacks, Ransomeware attacks, Malware attacks etc.

So, if we are using or creating any digital currency in traditional way and on traditional centralised network, then there are always chances that your data can be lost or your assets can be stolen. That’s where the concept of blockchain comes to save the digital universe.

So, till now I suppose all of you must have gone through the basics of blockchain. If not, you must!

5 Basic Principals Of Blockchain Technology : What Makes Blockchain Different And Secure?

Now, let’s discuss what makes blockchain unhackable?

In simple words, blockchain means distributed decentralised ledger. In blockchain, network is distributed among millions of nodes, and all of them share the same copy of the blockchain database. Whenever any change is applied, all the nodes in network participate and validate the change. So, if you want to hack the network, you will have to hack the entire blockchain that would mean to hack every single node in network. Because, unlike traditional internet architecture, it is distributed network. In traditional architecture, all the node are under control of centralised server, and if the server is hacked, everything is hacked!

Bitcoin is also a digital currency, which runs upon bitcoin blockchain. In order to hack the bitcoin blockchain, one should have access to private key of the user which is cryptographically related to the public key. For traditional computers, it is impossible to decrypt the public key and find private key, while quantum computers with phenomenal computing power would be able to do what general computers can’t do in years (specifically calculation).

So, it is possible that whenever the first quantum computer arrives, it will decrypt all the public keys in bitcoin network within hours and will get access to all the private keys. Next, you can imagine!

There are also several ways like 51% attack, eclipse attack to hack blockchain. But they need some specific conditions. Read here: Can blockchain be hacked?

Bitcoin’s contingency plan for the same:

But, quantum computer is a long way to go and devs are working to find a solution. Hope they come with one!

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