What is a blockchain and how do they work?I’ll explain why blockchains are so special in simple and plain English!💌 Sign up for Simply Ex...

How does IOTA’s tangle work and how does it compare to a traditional blockchain like the one Bitcoin uses?In this video I’ll explain these ...

Cryptocurrencies use a ton of electricity because of mining. In recent years people started working on a different technique called Proof-of-Stake.

Mining Bitcoin or Ethereum is a hard task for your computer. But why?And what does the difficulty have to do with the security of blockchains?