How Does Blockchain Work – Simple Explanation of Bitcoin, Ethereum, Mining, Proof of Work / Stake

How does blockchain work and what are cryptocurrencies like Bitcoin and Ethereum? This clear and beginner-friendly explanation breaks down blockchain step by step – what a block is, how blocks are linked together, what a hash is, how digital signatures verify ownership, and why blockchain records are nearly impossible to change. Learn how transactions are validated without banks, how consensus mechanisms like Proof of Work and Proof of Stake function, and why mining secures the network. The video also explains different types of cryptocurrencies including Bitcoin as digital money, Ethereum as a smart contract platform, and stablecoins designed for price stability. Perfect for anyone who wants to understand blockchain technology, cryptocurrency basics, decentralized systems, and how trust can be replaced by cryptography and distributed networks. #blockchain #cryptocurrency #bitcoin #ethereum #howdoesblockchainwork #proofOfWork #proofOfStake #decentralization #smartcontracts #technologyexplained