John explains the process and wonders whether it's even worth trying to mine the digital currency.

John explains the process and wonders whether it's even worth trying to mine the digital currency.

The blockchain has split into two to speed up transactions and lower costs. And the market has responded positively to the change, pushing the value of the crypto currency to record highs.

The blockchain has split into two to speed up transactions and lower costs. And the market has responded positively to the change, pushing the value of the crypto currency to record highs.

The blockchain has split into two to speed up transactions and lower costs. And the market has responded positively to the change, pushing the value of the crypto currency to record highs.

The blockchain has split into two to speed up transactions and lower costs. And the market has responded positively to the change, pushing the value of the crypto currency to record highs.

Terminator 2 director James Cameron worries that reality is catching up to science fiction, while tech titans Musk and Zuckerberg trade barbs over the potential dangers of artificial intelligence.

Terminator 2 director James Cameron worries that reality is catching up to science fiction, while tech titans Musk and Zuckerberg trade barbs over the potential dangers of artificial intelligence.

Terminator 2 director James Cameron worries that reality is catching up to science fiction, while tech titans Musk and Zuckerberg trade barbs over the potential dangers of artificial intelligence.

Terminator 2 director James Cameron worries that reality is catching up to science fiction, while tech titans Musk and Zuckerberg trade barbs over the potential dangers of artificial intelligence.