Cryptocurrencies, decentralized finance and blockchain technology: what do these terms really mean? The Economist's financial correspondents guide us through key crypto concepts.

00:00 – Crypto can be confusing
00:19 – What is cryptography?
01:08 – What is a blockchain?
02:05 – What is mining?
03:15 – What is Bitcoin?
04:00 – What is Ethereum?
04:44 – What is an NFT?
05:41 – How to understand cryptography

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