14:07• 21 February 2026
Thousands of people have lost Bitcoin worth millions just because they forgot their private key. In blockchain, there is no reset button, no customer care and no “Forgot Password” option. This video explains how public keys, private keys and seed phrases protect your crypto and what happens if you lose them.
We start by explaining what a Public Key and Private Key actually are using simple banking examples. A public key works like your account number or UPI ID – you can share it with anyone to receive funds. A private key, however, is your secret access code. It gives full control over your crypto wallet and must never be shared. If someone gets your private key, they can transfer your funds. If you lose it, your assets remain on the blockchain but you can never access them again.
In this video, we also explain how blockchain generates keys through entropy, seed phrases and cryptographic algorithms. You’ll understand how a wallet address is derived, why anyone can send crypto to your public address but cannot withdraw it without your private key and why the famous phrase “Not your keys, not your crypto” truly defines digital ownership in Web3.
We also discuss whether private keys can be hacked or guessed and why it is practically impossible with today’s technology. Through real-life cases of people who lost access to thousands of Bitcoins, we highlight how serious wallet security is.
Finally, we cover practical methods to safely store your private key and seed phrase- including hardware security modules, encrypted cloud storage, offline paper backups and multi-party computation (MPC).
If you want to truly understand blockchain security, crypto wallet protection and how digital asset ownership works, this video gives you complete clarity in simple language.
