Blockchain is the foundation of cryptocurrencies. It’s a decentralized digital ledger that records transactions securely and transparently. Each “block” holds a batch of transactions and once validated, it links to the previous block, creating a chain that’s nearly impossible to alter.
• Explanation of decentralization and distributed networks.
• How transactions are verified without a central authority.
• Overview of mining and consensus mechanisms like Proof of Work and Proof of Stake.
• The role of cryptography in securing data.
• Why blockchain enhances trust and transparency.
• Examples of public blockchains like Bitcoin and Ethereum versus private blockchains.
• Real-world applications beyond crypto, such as supply chain, identity, and voting systems.
• Common misconceptions about blockchain technology.
• Future developments including scalability solutions and interoperability.