{
  "chain_slug": "unichain",
  "name": "Unichain",
  "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 inherited)",
            "Keccak-256",
            "BN254 (fault proofs)",
            "TEE-signed Flashblocks (~200ms pre-confirmation)"
          ],
          "evidence": [
            "v1:chainscreen-v1-archive/data/chains/unichain.json"
          ],
          "note": "Optimism OP Stack L2; TEE-signed Flashblocks add hardware dependency."
        },
        "1b_shor_grover_pq_tag": {
          "score": 5,
          "tags": {
            "ECDSA secp256k1": "Shor-break",
            "BN254": "Shor-break",
            "TEE attestation": "depends on Intel SGX (classical AES/RSA)"
          },
          "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 audits; TEE adds hardware trust",
          "constant_time": "standard",
          "libraries": [
            "op-geth",
            "op-node"
          ],
          "evidence": []
        }
      },
      "total_artifacts": 1
    },
    "2_hndl_exposure": {
      "weight": 0.1,
      "score": 18,
      "sub_scores": {
        "2a_active_key_exposure": {
          "score": 5,
          "note": "Young chain (2025 launch); active exposure growing via Uniswap migration."
        },
        "2b_cold_key_exposure": {
          "score": 5,
          "note": "~1 year mainnet; minimal dormant."
        },
        "2c_signature_longterm_validity": {
          "score": 4,
          "note": "Classical ECDSA inherited."
        },
        "2d_encryption_confidentiality": {
          "score": 4,
          "note": "TLS; SGX attestation classical."
        }
      },
      "total_artifacts": 1
    },
    "3_metadata_privacy_exposure": {
      "weight": 0.1,
      "score": 20,
      "sub_scores": {
        "3a_tx_graph_visibility": {
          "score": 5,
          "note": "Transparent; DEX tx concentration."
        },
        "3b_rpc_mempool_concentration": {
          "score": 5,
          "note": "Uniswap Labs + Flashbots Rollup Boost centralized."
        },
        "3c_cross_chain_bridge_correlation": {
          "score": 5,
          "note": "Canonical OP bridge + Across."
        },
        "3d_retroactive_deanon_risk": {
          "score": 5,
          "note": "No privacy layer."
        }
      },
      "total_artifacts": 1
    },
    "4_migration_architecture": {
      "weight": 0.18,
      "score": 38,
      "sub_scores": {
        "4a_crypto_agility": {
          "score": 10,
          "note": "OP Stack inherited; shares Superchain upgrade path."
        },
        "4b_account_abstraction_key_rotation": {
          "score": 12,
          "note": "ERC-4337 AA on OP Stack."
        },
        "4c_hard_fork_track_record": {
          "score": 9,
          "note": "Inherits Optimism fork cadence; limited independent history."
        },
        "4d_hybrid_deployment_readiness": {
          "score": 7,
          "note": "No PQ roadmap; TEE dependency adds non-PQ trust vector."
        }
      },
      "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": "Uniswap Labs-operated sequencer; zero PQ."
        },
        "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": 6,
      "sub_scores": {
        "6a_wallet": {
          "score": 2,
          "top3": [
            "MetaMask",
            "Rabby",
            "Uniswap Wallet"
          ],
          "pqc_roadmap_count": 0,
          "evidence": []
        },
        "6b_bridge": {
          "score": 1,
          "top3": [
            "Canonical OP bridge",
            "Across",
            "Superbridge"
          ],
          "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": [
            "Alchemy",
            "Infura",
            "QuickNode"
          ],
          "pqc_roadmap_count": 0,
          "evidence": []
        }
      },
      "total_artifacts": 1
    },
    "7_governance_coordination": {
      "weight": 0.05,
      "score": 32,
      "sub_scores": {
        "7a_validator_stake_distribution": {
          "score": 5,
          "note": "Single Uniswap Labs sequencer."
        },
        "7b_upgrade_cadence_under_pressure": {
          "score": 10,
          "note": "Superchain cadence via Optimism governance."
        },
        "7c_named_coordination_lead": {
          "score": 9,
          "note": "Named: Uniswap Labs (Hayden Adams), Optimism Foundation."
        },
        "7d_adversarial_coordination_precedent": {
          "score": 8,
          "note": "No precedent."
        }
      },
      "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": 14,
    "after_caps": 12,
    "ci_plus_minus": 5,
    "band": 1,
    "band_name": "Aware-Only"
  },
  "migration_stage": 0,
  "mosca_inequality": {
    "X_signature_shelf_life_years": "3-8",
    "Y_migration_time_years_range": "5-10 (depends on Ethereum + OP Superchain)",
    "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": 12,
      "privacy_preserved_pct": 8
    },
    "arrives_slowly_post_migration": {
      "value_preserved_pct": 55,
      "privacy_preserved_pct": 25
    },
    "arrives_slowly_mid_migration": {
      "value_preserved_pct": 28,
      "privacy_preserved_pct": 13
    }
  },
  "burn_vs_rescue_policy": "none-announced; inherits Superchain policy",
  "pqc_washing_ratio": 0,
  "vendor_tile_summary": {
    "wallet": {
      "top3": [
        "MetaMask",
        "Rabby",
        "Uniswap Wallet"
      ],
      "pqc_roadmap_count": 0
    },
    "bridge": {
      "top3": [
        "Canonical OP bridge",
        "Across",
        "Superbridge"
      ],
      "pqc_roadmap_count": 0
    },
    "custodian": {
      "top3": [
        "Coinbase Custody",
        "BitGo",
        "Anchorage"
      ],
      "pqc_roadmap_count": 0
    },
    "rpc_hsm": {
      "top3": [
        "Alchemy",
        "Infura",
        "QuickNode"
      ],
      "pqc_roadmap_count": 0
    }
  },
  "narrative_summary": "Unichain is Uniswap's OP Stack L2 launched 2025 with TEE-signed Flashblocks for sub-second pre-confirmation. Inherits Optimism Superchain crypto. No PQ roadmap published. TEE dependency adds an additional classical trust vector (Intel SGX attestation) that is orthogonal to PQ but complicates trust model.",
  "evaluator_notes": "Stage 0. Pure Superchain dependency; no independent PQ posture. TEE adds side-channel attack surface outside PQ scope.",
  "narrative_voiced": "Unichain adds an Intel SGX dependency to the OP Stack ECDSA baseline and calls it Flashblocks. That is faster confirmation and an additional classical trust vector, none of which is post-quantum. The hardware enclave complicates the trust model before the cryptographic one has been addressed."
}