Cryptography in Blockchain 🔐 | How Secure Transactions Work | Hindi Explained

Day 3 – The Science of Blockchain Security | Cryptography Explained in Hindi Welcome back to HeatCode 🔥, where we decode the toughest tech concepts in the simplest Hindi! In today’s video, we’ll uncover how cryptography keeps blockchain data safe, private, and tamper-proof. 🧠 Topics Covered: What is Cryptography? Symmetric vs Asymmetric Encryption How Blockchain Uses Cryptography for Data Security Public & Private Keys Intro Hashing (SHA-256 Example) 💡 Understanding Cryptography: Cryptography is the core shield of blockchain — it converts every transaction into secure, unchangeable data blocks. From hashing to digital keys, it ensures that your information stays private and authentic across the network. 💬 Tell us in the comments: Which part of cryptography do you find most interesting — encryption or hashing? 🎯 Don’t forget to: ✅ Like the video ✅ Subscribe to HeatCode 🔥 ✅ Hit the 🔔 bell to follow the entire Blockchain series #blockchain #blockchainhindi #cryptography #cryptographyexplained #hashing #sha256 #publickey #privatekey #encryption #decryption #heatcode #web3 #learnblockchain #technologyexplained #datasecurity #crypto #blockchainsecurity