How safe are Bitcoins and Crypto-Currencies? This is how Bitcoins are stolen!

In the last year, cryptocurrencies are getting more and more popular. But between all the Rally, there are also negative headlines.
As we all know, there were a lot of hacker-attacks in the past. Many crypto-fans must accept huge losses due to malware and virus. Usually, the blockchain-technology was considered safely. But now, cyber-criminals take a look on the different variants to find out some vulnerabilities, to stole some intnert-cash.

Mining via Malware – High-risk for big companies

The more already generated bitcoins are available, the higher will be the effort to generate them. So you need more computer-power. Good and fast hardware costs a lot of money and high electricity-costs are not worth the mining in some countries anymore. For this reason, cyber-criminals will enter the computers of big companies via malware and try to start mining over this “stolen” computing power. The software concern “Check Point” published a study, which says, 56% of all computers worldwide are infected by malware. Imagine, all this computers would be used for bitcoin and altcoin mining.

Empty vacated walltes

You can´t just lose your content of your wallet due to lost passwords or lost hard disks, you can also lose all you tokens because of an attack from hackers. If a cyber-crime activist will made it to install special malware like Ransomware on your computer, he will be able to lock and steal your whole wallet assets. Experts recommend storing you coins on offline-wallets or hardware-wallets like specialized hard discs or USB-sticks. Just in this case, all you profits will be safe from hacker-attacks. It is also useful to enable the Multi-Factor-Authentication on your device and in your online-wallet.

Another problem are transfer-trojan

Transfer-Trojan´s will be activated on the computer of the victim. If now a cryptocurrency aim-address will be entered, the Trojan will replace the right wallet-address with an by the hacker already mentioned wallet-address. If the user now clicks on the send-button, the tokens will never reach their originally destination and will be “disappeared” forever.

Hacked wallets

Another problem is the fact, every bitcoin wallet can be hacked every time. As you know, this happened on nearly every “big-wallet” already. Here are the greatest 5 bitcoins-wallet-hacks of all time!

5.Bitstamp: 19.000 BTC / 5.000.000 Dollar
4.Cryptsy: 13.000 BTC / 5.200.000 Dollar
3.Picostocks: 6000 BTC / 6.000.000 Dollar
2.SheepMarket: 96.000 BTC / 56.400.000 Dollar
1.Mt Gox: 744.408 BTC / 400.000.000 Dollar