Curated by Blockrev @, Sep 27, 2018. Updated, Dec 17, 2018.
Published by Siraj Raval, Mar 21, 2018.

Welcome to Web 3.0! Siraj Raval presents a high-level overview of Web 3.0 (aka Web3) actually is and its purpose, before getting into the more technical side of how a blockchain works (visually), what new kinds of Apps (or DApps) are now possible, and towards the end Siraj walks you through writing your first simple smart contract.

“While the Web 2.0 democratized many power structures and created new opportunities, the economic engine is largely privatized and monopolized. Facebook, Uber and AirBnB have created private networks for public infrastructure which they dominate. The Web 3.0 is the antithesis of this, it’s about multiple profit centers sharing value across an open network.”

– Source: Matteo Gianpietro ZagoWhy the Web 3.0 Matters and you should know about it


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This video is a part of the Decentralized Applications Course from the brilliant and renowned Decentralization educator, Siraj Raval. The full course can be found at
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