Blockchain is all about transparency, but this can create problems when people or companies want to keep their financial or private data secure. So, how do we ensure privacy on a public blockchain? Enter three key technologies: Zero-Knowledge Proofs (ZKPs), Fully Homomorphic Encryption (FHE), and Secure Multi-Party Computation (MPC). These tools help keep sensitive information private, even while operating on decentralised systems. Let's break them down for anyone new to this space:What Is Bl...