AI Verification

AI Verification

LightChallenge uses the Lightchain AIVM (AI Virtual Machine) network for trustless verification of challenge evidence.

What is Lightchain AIVM?

Lightchain AIVM is a decentralized AI inference network that uses Proof-of-Intelligence (PoI) consensus. Instead of a single server checking your evidence, multiple independent validators on the Lightchain network process the request and reach consensus on the result.

How Verification Works

For Users

  1. You complete your challenge goal (run the miles, win the matches, hit the steps)
  2. You submit evidence through the app (Apple Health data, gaming stats, etc.)
  3. The system evaluates your evidence and sends it to the Lightchain AI network
  4. Multiple validators independently verify your claim
  5. If they agree you passed, the smart contract releases your reward

You don’t need to trust any single party — the network reaches consensus independently.

Technical Flow

Evidence → Evaluator → Verdict → AIVM Request → Lightchain Network
                                                        ↓
                                              Commit → Reveal → PoI Attest
                                                        ↓
                                              InferenceFinalized event
                                                        ↓
                                              ChallengePay.finalize()
  1. Evidence Evaluation — Off-chain workers check the raw evidence against challenge rules
  2. Verdict — A pass/fail verdict with reasons is stored in the database
  3. AIVM Request — The verdict is submitted as an inference request to AIVMInferenceV2.requestInferenceV2()
  4. Network Processing — Lightchain workers commit their results, then reveal them
  5. PoI Attestation — Validators attest to the result using EIP-712 signed proofs
  6. Finalization — When quorum is reached, InferenceFinalized is emitted
  7. Bridge — Our indexer catches the event and calls the smart contract to finalize the challenge

Key Properties

PropertyValue
ConsensusProof-of-Intelligence (PoI)
Quorum1 (testnet), configurable for mainnet
Finality~1 minute after submission (testnet)
Trust modelNo single point of trust — network consensus
Request fee0.001 LCAI per inference request

AIVM Request States

StateCodeDescription
None0Not submitted
Requested1Inference request submitted
Committed2Worker has committed result hash
Revealed3Worker has revealed actual result
Finalized4PoI quorum reached, result confirmed
Cancelled5Request was cancelled
TimedOut6Deadline passed without finalization
Disputed7Result is being disputed

Smart Contracts

ContractAddress (Testnet)Purpose
AIVMInferenceV20x2d499C52312ca8F0AD3B7A53248113941650bA7ELightchain AIVM inference contract
ChallengeTaskRegistry0x0e079C693Bd177Fa31baab70EfCD5b9D625c355EBinds challenges to AIVM tasks
ChallengePayAivmPoiVerifier0x44c750aA01Ec2465CB3E7354EF1c16cc83D45123Verifies PoI results for ChallengePay

For Non-Technical Users

Think of the AI verification like a panel of independent judges:

  1. You make a claim (“I walked 10,000 steps today”)
  2. You provide evidence (your Apple Health data)
  3. Multiple AI judges independently review your evidence
  4. If they all agree you did it, you get your reward
  5. No one can cheat — the judges don’t know each other and can’t collude

The entire process is transparent and recorded on the blockchain.

ArchitectureDeployment