Ever wonder what cryptocurrencies are? Do you want to understand how they work? CNBC's Arjun Kharpal and Saheli Roy Choudhury explain bitcoin, digital currencies and blockchain technology.

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What is bitcoin?

CNBC Tech: “Beyond the Valley” brings you all the latest from the vast, dynamic world of tech — outside the Silicon Valley.

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Companies are competing to make the smartest AI models, with some top tech execs saying artificial general intelligence will soon be upon us. Beyond the Valley goes on the road to VivaTech in Paris to discuss this and more with special guest Bassem Asseh, head of sales at AI firm Hugging Face.

When will AI be smarter than humans?

Bitcoin has a finite supply. It is one of the cryptocurrency's characteristics that proponents like. Estimates suggest that all 21 million bitcoin will be mined around the year 2140. CNBC's Tom Chitty and Arjun Kharpal discuss what major changes might take place with bitcoin in that time.

What happens when all 21 million bitcoin are mined in the year 2140?

From AR and VR headsets to AI and cloud gaming, new technologies have the potential to transform the gaming industry. So, what will more immersive and interactive gaming look like, and what are the potential trade offs?

AI to VR: What's in store for the future of gaming

Semiconductors, or chips, have an incredibly global, complex and intricate production process. The supply chain is spread across the world. As governments focus on boosting their own domestic chip industry, CNBC looks at why no single country can own the chip supply chain.

How semiconductors are made - and why no one country can own the process

Apple has sought to boost its presence in India in terms of physical stores and iPhone manufacturing. But can India become Apple's next China?

What is bitcoin?

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