{
  "chain_slug": "world-chain",
  "name": "World Chain",
  "scorecard_profile": "rollup-L2",
  "evaluated_at": "2026-04-17",
  "evaluator": "layerqu-v2-scoring-agent-5",
  "v1_reference": "chainscreen-v1-archive",
  "dimensions": {
    "1_cryptographic_exposure": {
      "weight": 0.15,
      "score": 22,
      "sub_scores": {
        "1a_primitive_inventory": {
          "score": 10,
          "primitives_named": [
            "ECDSA secp256k1 (OP Stack)",
            "Keccak-256",
            "Semaphore/Groth16 (World ID proof-of-personhood)",
            "BN254 (ZK pairing)"
          ],
          "evidence": [
            "v1:chainscreen-v1-archive/data/chains/world-chain.json"
          ],
          "note": "Optimism Superchain L2 with World ID integration; Semaphore is BN254-based ZK identity."
        },
        "1b_shor_grover_pq_tag": {
          "score": 5,
          "tags": {
            "ECDSA secp256k1": "Shor-break",
            "Groth16-BN254": "Shor-break",
            "Semaphore": "Shor-break"
          },
          "evidence": []
        },
        "1c_algorithm_family_diversity": {
          "score": 2,
          "families_represented": 0,
          "families": [],
          "note": "No PQ family."
        },
        "1d_nist_security_category": {
          "score": 2,
          "mappings": {
            "ECDSA": "128-bit classical"
          },
          "evidence": []
        },
        "1e_implementation_quality": {
          "score": 3,
          "formal_verification": "inherits OP Stack; Worldcoin iris-hash system audited separately",
          "constant_time": "standard",
          "libraries": [
            "op-geth"
          ],
          "evidence": []
        }
      },
      "total_artifacts": 1
    },
    "2_hndl_exposure": {
      "weight": 0.1,
      "score": 14,
      "sub_scores": {
        "2a_active_key_exposure": {
          "score": 4,
          "note": "Worldcoin user base (~7M verified) — each orb-verified user has linkable on-chain footprint."
        },
        "2b_cold_key_exposure": {
          "score": 4,
          "note": "Young chain (2024); insider allocation 75.7% = large concentrated holder set for HNDL."
        },
        "2c_signature_longterm_validity": {
          "score": 3,
          "note": "Classical ECDSA + Shor-breakable Groth16 identity proofs. Retroactive PQ attack could de-anonymize World ID linkages."
        },
        "2d_encryption_confidentiality": {
          "score": 3,
          "note": "TLS; Orb-to-server uses classical KEM."
        }
      },
      "total_artifacts": 1
    },
    "3_metadata_privacy_exposure": {
      "weight": 0.1,
      "score": 15,
      "sub_scores": {
        "3a_tx_graph_visibility": {
          "score": 3,
          "note": "Transparent ledger; World ID tied to biometric iris hash = high-value linkage target."
        },
        "3b_rpc_mempool_concentration": {
          "score": 4,
          "note": "Tools for Humanity operated sequencer."
        },
        "3c_cross_chain_bridge_correlation": {
          "score": 4,
          "note": "Canonical OP bridge."
        },
        "3d_retroactive_deanon_risk": {
          "score": 4,
          "note": "ELEVATED: Semaphore (Groth16-BN254) identity proofs are Shor-breakable; post-PQ adversary could link World ID commitments to on-chain activity retroactively."
        }
      },
      "total_artifacts": 1
    },
    "4_migration_architecture": {
      "weight": 0.18,
      "score": 38,
      "sub_scores": {
        "4a_crypto_agility": {
          "score": 10,
          "note": "OP Superchain path; Semaphore identity layer requires independent upgrade."
        },
        "4b_account_abstraction_key_rotation": {
          "score": 11,
          "note": "ERC-4337 AA available; World App uses smart accounts."
        },
        "4c_hard_fork_track_record": {
          "score": 9,
          "note": "Inherits Superchain; limited independent."
        },
        "4d_hybrid_deployment_readiness": {
          "score": 8,
          "note": "No PQ roadmap for chain or World ID. Identity layer is the deeper migration challenge."
        }
      },
      "total_artifacts": 1
    },
    "5_deployment_execution": {
      "weight": 0.22,
      "score": 3,
      "sub_scores": {
        "5a_mainnet_pqc_pct": {
          "score": 0,
          "mainnet_pqc_pct": 0,
          "evidence": [],
          "note": "Zero PQC."
        },
        "5b_pqc_code_in_client": {
          "score": 1,
          "note": "No PQ code."
        },
        "5c_validator_pqc_adoption": {
          "score": 0,
          "note": "Centralized sequencer."
        },
        "5d_published_milestones_count": {
          "score": 1,
          "count": 0,
          "note": "No PQ milestones."
        },
        "5e_pqc_washing_delta": {
          "score": 1,
          "ratio": 0,
          "note": "No claims."
        }
      },
      "total_artifacts": 1
    },
    "6_supply_chain_vendor_readiness": {
      "weight": 0.2,
      "score": 5,
      "sub_scores": {
        "6a_wallet": {
          "score": 1,
          "top3": [
            "World App (Safe)",
            "MetaMask",
            "Rabby"
          ],
          "pqc_roadmap_count": 0,
          "evidence": []
        },
        "6b_bridge": {
          "score": 1,
          "top3": [
            "Canonical OP bridge",
            "Across",
            "LayerZero"
          ],
          "pqc_roadmap_count": 0,
          "evidence": []
        },
        "6c_custodian": {
          "score": 2,
          "top3": [
            "Coinbase Custody",
            "BitGo",
            "Anchorage"
          ],
          "pqc_roadmap_count": 0,
          "evidence": []
        },
        "6d_rpc_hsm": {
          "score": 1,
          "top3": [
            "Tools for Humanity RPC",
            "Alchemy",
            "QuickNode"
          ],
          "pqc_roadmap_count": 0,
          "evidence": []
        }
      },
      "total_artifacts": 1
    },
    "7_governance_coordination": {
      "weight": 0.05,
      "score": 30,
      "sub_scores": {
        "7a_validator_stake_distribution": {
          "score": 4,
          "note": "Centralized sequencer."
        },
        "7b_upgrade_cadence_under_pressure": {
          "score": 8,
          "note": "Superchain cadence."
        },
        "7c_named_coordination_lead": {
          "score": 10,
          "note": "Named: Sam Altman, Alex Blania, Tools for Humanity."
        },
        "7d_adversarial_coordination_precedent": {
          "score": 8,
          "note": "Regulatory pressure in multiple jurisdictions (Kenya, Spain, Argentina) — biometric pushback, not cryptographic."
        }
      },
      "total_artifacts": 1
    }
  },
  "gates": {
    "hybrid_deployment": "FAIL",
    "evidence_reconstruction": "PASS",
    "primitive_naming": "PASS"
  },
  "caps_applied": [
    "mosca_cap_60 (5a=0)",
    "sutor_cap_50"
  ],
  "qri": {
    "raw": 13,
    "after_caps": 11,
    "ci_plus_minus": 5,
    "band": 1,
    "band_name": "Aware-Only"
  },
  "migration_stage": 0,
  "mosca_inequality": {
    "X_signature_shelf_life_years": "10-30 (biometric = lifetime-linkable)",
    "Y_migration_time_years_range": "6-12 (chain + identity layer both need migration)",
    "Z_10pct_year": 2036,
    "Z_50pct_year": 2041,
    "danger_zone_at_50pct": true
  },
  "four_scenario_grid": {
    "quantum_never": {
      "value_preserved_pct": 100,
      "privacy_preserved_pct": 100
    },
    "arrives_suddenly_pre_migration": {
      "value_preserved_pct": 10,
      "privacy_preserved_pct": 5
    },
    "arrives_slowly_post_migration": {
      "value_preserved_pct": 50,
      "privacy_preserved_pct": 15
    },
    "arrives_slowly_mid_migration": {
      "value_preserved_pct": 25,
      "privacy_preserved_pct": 8
    }
  },
  "burn_vs_rescue_policy": "none-announced",
  "pqc_washing_ratio": 0,
  "vendor_tile_summary": {
    "wallet": {
      "top3": [
        "World App (Safe)",
        "MetaMask",
        "Rabby"
      ],
      "pqc_roadmap_count": 0
    },
    "bridge": {
      "top3": [
        "Canonical OP bridge",
        "Across",
        "LayerZero"
      ],
      "pqc_roadmap_count": 0
    },
    "custodian": {
      "top3": [
        "Coinbase Custody",
        "BitGo",
        "Anchorage"
      ],
      "pqc_roadmap_count": 0
    },
    "rpc_hsm": {
      "top3": [
        "Tools for Humanity RPC",
        "Alchemy",
        "QuickNode"
      ],
      "pqc_roadmap_count": 0
    }
  },
  "narrative_summary": "World Chain is Worldcoin's OP Stack L2 tying on-chain activity to biometric World ID via Semaphore (Groth16-BN254) proofs. Identity layer is Shor-breakable. Biometric commitments are lifetime-linkable, so retroactive de-anonymization risk is structurally elevated — a quantum adversary could link 7M+ iris-hashed identities to their entire on-chain history decades later. No PQ program for chain or identity layer.",
  "evaluator_notes": "Stage 0. Retroactive-deanon dimension score (4/10) understates the biometric lifetime-linkage risk; flagged in narrative. Privacy exposure = structurally worst-in-batch outside of shielded chains, because lifetime iris commitments have infinite shelf life.",
  "narrative_voiced": "World Chain is the only entry in this batch where your biometric iris hash is a permanent public commitment. Breaking the Groth16-BN254 identity proofs later links seven million humans to their entire on-chain life, decades after they forgot they scanned an orb."
}