What is the Proof-of-Work of the Bitcoin blockchain?

This is the weekly topic explained by Giacomo Zucco, founder of BlockchainLab, during this fifth episode of the series “Understanding Bitcoin” realised by the Cryptonomist.

“Understanding Bitcoin” includes 10 videos in which Zucco, who explains everything there is to know about the Blockchain and bitcoin.

Watch here the fifth episode of “Understanding Bitcoin” about what the Proof of Work of the blockchain is: