Building a blockchain with Javascript

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Want to understand how blockchains and cryptocurrencies work under the hood? Just build a simple version yourself with Javascript and learn while doing!

  • Creating a blockchain with Javascript (Blockchain, part 1)

    Learn how to write your own Blockchain with JavaScript. In this video I'll show you what is behind a blockchain by using simple code. It's not a complete implementation, but enough to understand how blockchains work and how they guarantee that blocks can never be changed. After creating our blockchain we'll try and tamper with it. This will demonstrate a blockchains ability to detect fraud.

  • Implementing Proof-of-Work in Javascript (Blockchain, part 2)

    Adding the proof-of-work mechanism to our homemade Javascript blockchain. Proof-of-work will secure our blockchain against spammers and people trying to tamper with our blocks.

  • Miner rewards & transactions - Blockchain in Javascript (part 3)

    Implementing miner rewards and basic transactions in our Javascript based blockchain. Mining rewards steadily introduce new coins into the system.

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atieh mokhtari
atieh mokhtari

it was really perfect tutorial showing a good sight of blockchain and how does it work. it was really usefull for me.

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