j4flmao Zero-Knowledge Proofs
ZK Circuits (Circom)
Create arithmetic circuits to prove knowledge of a pre-image without revealing it.
pragma circom 2.0.0;
include "node_modules/circomlib/circuits/poseidon.circom";
template SecretHasher() {
signal input secret;
signal output hash;
component poseidon = Poseidon(1);
poseidon.inputs[0] <== secret;
hash <== poseidon.out;
}
component main = SecretHasher();
zk-SNARKs
Use Groth16 or Plonk for succinct non-interactive arguments of knowledge. Ensure trusted setup (PTAU) for Groth16.
Privacy Protocol Architecture
%%{init: {"theme": "default", "flowchart": {"useMaxWidth": true}}}%%
graph TD
User[User] -->|Secret| Circuit[ZK Circuit]
Circuit -->|Proof| Prover[Prover Node]
Prover -->|Submit Proof| Contract[Verifier Smart Contract]
Contract -->|Valid?| State[Update State]