Crypto A to Z Guide (Hinglish)

Beginner se advanced tak crypto ki poori guide, Hinglish me. Blockchain, chains (Bitcoin, Ethereum, BSC, Solana), EVM vs non-EVM, wallet aur seed phrase safety, send/receive, gas fees, exchange vs self-custody, stablecoins, tokens, NFTs, DeFi, staking, scam red flags. Educational only, koi buy/sell call nahi.