Blockchain, Smart Contracts, and Ethereum
summary
Step‑by‑step demo shows how to get free test Ether, install MetaMask, and compile and deploy a Solidity contract in Remix IDE to the Ropsten testnet, proving a simple song copyright contract that stores a hash on chain and fires events; Ethereum network stats given are ~16,000 nodes and ~14 second block times versus Bitcoin ~10,000 nodes and ~10 minute blocks, mining uses nonce/proof‑of‑work and rewards are down to 12.5 BTC, contract interactions use web3.js and gas paid in Wei.
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chapters (7)
- 0:00Start
- 5:11What is Bitcoin? A 1-minute Explanation
- 7:09Motivations Behind Cryptocurrency
- 11:23Solving Trust Issues using Decentralization
- 16:03How do you chain the blocks?
- 43:28Smart Contracts
- 45:43Demo A Simple Smart Contract
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