Blockchain ?Who can define it?

Answer 1

This is one of the best explanations of Blockchain (with a focus on cryptocurrencies) I've ever seen: https://youtu.be/bBC-nXj3Ng4

Also, this whole channel is just full of amazing content! 😁👍🏻

Answer 2

Blockchain is a type of DLT in which transactions are recorded with an immutable cryptographic signature called a hash.