Your organs need blood & oxygen to function, what’s the equivalent for blockchains?

Everyone who has ever dealt with a blockchain system like Ethereum knows what blockchain consists of, such as blocks, transactions, and accounts. But we don’t often think about the basics of blockchain systems, just like we don’t often think about how our organs work. As organs need blood and oxygen to function, blockchain needs cryptography to function properly. Without it, the system would crumble, and you would not be able to claim ownership of that shiny new NFT you just minted.

Key Components: – Public Key Cryptography – Digital Signatures

Common issues: – Replay Attacks – Signature Malleability – Nonces

Solutions: – EIP 712

Full detailed read:

Intro to Cryptography and Signatures in Ethereum