1. What is Blockchain? | Technology behind Bitcoin – 00:05 2. Blockchain | Prerequisites – 09:28 3. Cryptography in Blockchain – 17:04 4. Types of Cryptography – 22:29 5. Digital Signature – 26:41 6. Nodes in Blockchain – 30:04 7. Hashing in Blockchain – 34:14 8. Merkle Tree | Merkle Root – 39:56 9. Blockchain Technology Architecture – 42:15 10. Types of Blockchain – 48:59 11. Consensus in Blockchain – 52:15 12. Proof of Work in Blockchain – 56:21 13. What is Ethereum? – 01:01:09 14. Smart Contract | Ethereum – 01:04:35 15. Drawbacks of Blockchain – 01:07:47 16. What is Hyperledger? – 01:14:01 17. First Smart Contract (Part 1) | Metamask setup | Blockchain | Ethereum – 01:17:19 18. First Smart Contract (Part 2) | Remix | Ethereum | Blockchain – 01:26:33 19. First Smart Contract (Part 3) | RinkeBy | Ethereum | Blockchain – 01:35:37 20. Smart Contract with Front End – 01:41:04 21. Smart Contract with Web Front End (Part 2) – 01:55:25