Zero Knowledge Proofs Explained: ZK-SNARKs, ZK-STARKs & Real Applications
Salman Haider
TelGates Team
Zero knowledge proofs are reshaping blockchain from privacy to scaling. Here's what developers and business leaders need to understand.
What Are Zero Knowledge Proofs?
A zero knowledge proof allows one party (the prover) to convince another party (the verifier) that a statement is true, without revealing any information beyond the validity of the statement itself.
ZK-SNARKs vs ZK-STARKs
ZK-SNARKs (Succinct Non-interactive Arguments of Knowledge): - Proof size: ~288 bytes (very small) - Verification time: milliseconds - Trusted setup required - Used by: Zcash, Tornado Cash, zkSync
ZK-STARKs (Scalable Transparent Arguments of Knowledge): - Proof size: ~45-200 KB (larger) - No trusted setup needed - Quantum-resistant - Used by: StarkNet, StarkEx
Real Applications We've Built
- Private DeFi transactions — Users can prove they have sufficient collateral without revealing their total portfolio
- Identity verification — Prove you're over 18 without revealing your birthdate
- Scalable rollups — Compress thousands of transactions into a single ZK proof
Getting Started
For teams exploring ZK, we recommend starting with Circom for circuit development and SnarkJS for proof generation. TelGates offers ZK consulting and development services for enterprises looking to integrate privacy-preserving technology.