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Blockchain basics Core Questions & Concepts 1. What is Blockchain and How Does It Work? Blockchain is a distributed, immutable ledger that stores data in cryptographically linked blocks. Key Components: Block Structure: Index, Timestamp, Data, Previous Hash, Hash, Nonce Chain Linking: Each block references the previous block’s hash Cryptographic Hashing: SHA-256 ensures data integrity Immutability: Changing any block breaks the entire chain How Blocks Connect: [Genesis Block] → [Block 1] → [Block 2] → [Block 3] Hash: abc123 Hash: def456 Hash: ghi789 Hash: jkl012 Prev: abc123 Prev: def456 Prev: ghi789 2. How Does Mining Work? Mining is finding a special number (nonce) that makes the block’s hash start with zeros. ...

Since this is my first post, i want to write something fundamental. dislaimer, this is my personal opinion based on my not-su-much experience. I’ve seen it happen countless times: Devops engineers often look for the . Here’s the uncomfortable truth: DevOps isn’t about tools. It’s about mindset. The Tool Trap: Why Technology Alone Fails 🔧 The Shiny Object Syndrome Every week, there’s a new “revolutionary” DevOps tool promising to solve all your problems. Teams get caught in an endless cycle: ...