Hackers have stolen some $600m (£433m) in what appears to be one the largest cryptocurrency heists ever.

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Blockchain site Poly Network said hackers had exploited a vulnerability in its system and taken thousands of digital tokens such as Ether.

In a letter posted on Twitter, it urged the thieves to "establish communication and return the hacked assets".

In scale, the hack on par with huge recent breaches at exchanges such as Coincheck and Mt Gox.

© Provided by InvestorPlace Another stylized version of the Ethereum logo

With its price now down 50% from its all-time high of $4,132.76 reached in May of this year, the shine has definitely come off the second biggest digital coin after Bitcoin (CCC:BTC-USD).

Ethereum has been struggling to remain above $2,000 per coin in recent weeks as the entire cryptocurrency market experiences extreme volatility.

Many investors have found the ...

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Coinbase Global Inc. (NASDAQ: COIN) recently listed Dogecoin for purchase or sale on their website. In celebration of putting the coin on their platform, they ran a sweepstakes. If any Coinbase user bought or sold $100 of Dogecoin, they were entered into a drawing to win $300,000 in Dogecoin.

Dogecoin was down 3.12% at $0.3155 at last check. Below is a lo...

• Within a decade, quantum computing is expected to be able to hack into cell phones, bank accounts, email addresses and bitcoin wallets.
• "The National Institute of Science and Technology (NIST) has been working on a new standard for encryption for the future that's quantum proof," said Fred Thiel, CEO of cryptocurrency mining specialist Marathon Digital Holdings. 

© Provided by CNBC Intel's 17-qubit quantum test chip.

Stefan Thomas really could have used a quantum computer this year.

The German-b...

© Source: Shutterstock Forget a 1-for-12 Split, Aurora Stock May as Well Go for 200

Cannabis is back on the menu. It seems that even as the meme stock explosion that cooled down the cannabis industry continues to soar, pot can have a rebound and see green once again. The Reddit forces are pushing cannabis stocks amid the AMC (NYSE:AMC) frenzy, and the industry is being lifted by promising support from Amazon (NASDAQ:AMZN).

© Provided by InvestorPlace Forget a 1-for-12 Split, Aurora Stock May ...

Dog-themed cryptocurrencies continued to widen losses, while so-called Ethereum (ETH) killers and non-fungible token or NFT oriented coins were buoyant in the early hours of Thursday at press time.

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What Happened: SHIBA INU (SHIBA) was down 12.88% at $0.0000089 at press time in a span of 24 hours. In the same period, the meme cryptocurrency fell 9.4% and 9.16% against Bitcoin (BTC) and ETH, respectively.

Dogecoin (DOGE) too traded in the red, down 5.67% in a 24-hour period...