Learn the core principles behind blockchain technology, including how decentralized ledgers work, consensus mechanisms, and key terms like nodes, miners, and gas. Perfect for beginners starting their Web3 journey.
Gas Fees Explained: Why Transactions Cost Money Estimated read time: 7 minutes | Level: Beginner | Topic: Blockchain Basics Introduction Every blockchain transaction whether you’re sending cryptocurrency, swapping tokens on DeFi, or minting an NFT comes with a cost known as a gas fee. These fees are essential for keeping the network secure, preventing spam, […]
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Public & Private Keys Explained (Wallet Addresses, Seed Phrases, Signatures) How wallets really work: keys, addresses, seed phrases, and what “signing” actually means. TL;DR: A private key is a secret number that lets you control funds. A public key (derived from the private key) produces your address (what you share). A seed phrase can regenerate
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What is a Blockchain? (Blocks, Hashes, Consensus) The plain-English primer on how blockchains store data securely without a central authority. TL;DR: A blockchain is a shared database (ledger) stored across many computers (nodes). Data is grouped into blocks, each block has a hash (a tamper-evident fingerprint) and a pointer to the previous block’s hash, forming
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