Lecture 11: Proof of Work – How Bitcoin Achieves Trust Without a Central Authority | UPenn Crypto
Автор: Makerere University Learn From The World.
Загружено: 2025-07-18
Просмотров: 11
Описание:
In Lecture 11 of the University of Pennsylvania's Cryptocurrency and Blockchain course, Professor Jessica Wachter explains the Proof of Work (PoW) system—Bitcoin's original solution to building trust in a decentralized environment.
Learn how PoW helps the network reach agreement, prevents double spending, and secures the blockchain. This lecture offers a clear and academic breakdown of how mining works, the role of difficulty adjustments, and why PoW was a revolutionary step in digital currencies.
📚 This lecture is part of the “Makerere University Learn from the World” initiative, which shares global university-level education with learners everywhere.
🔍 What You’ll Learn in this Lecture:
The basic concept behind Proof of Work
How Bitcoin miners validate blocks
Why PoW protects against fraud
The economics of mining
Energy and security trade-offs
How consensus is maintained on the blockchain
🎓 Subscribe for more lectures from top institutions like UPenn, MIT, Princeton, and Stanford.
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