{
  "chain_slug": "manta-pacific",
  "name": "Manta Pacific",
  "scorecard_profile": "rollup-L2",
  "evaluated_at": "2026-04-18",
  "evaluator": "layerqu-v2-scoring-agent-3",
  "v1_reference": "chainscreen-v1-archive",
  "dimensions": {
    "1_cryptographic_exposure": {
      "weight": 0.12,
      "score": 22,
      "sub_scores": {
        "1a_primitive_inventory": {
          "score": 9,
          "primitives_named": [
            "ECDSA secp256k1 (inherited from Ethereum)",
            "Polygon zkEVM PLONK over BN254 (pairing-based)",
            "Celestia DA signatures (Ed25519)",
            "Keccak-256"
          ],
          "evidence": [
            "https://docs.manta.network"
          ],
          "note": "Polygon zkEVM + Celestia DA stack. Manta Atlantic (zk privacy on Polkadot) is a separate chain."
        },
        "1b_shor_grover_pq_tag": {
          "score": 9,
          "tags": {
            "ECDSA secp256k1": "Shor-break",
            "PLONK (BN254)": "Shor-break (pairing-based)",
            "Ed25519 (Celestia)": "Shor-break",
            "Keccak-256": "Grover-weaken-128bit"
          },
          "evidence": []
        },
        "1c_algorithm_family_diversity": {
          "score": 0,
          "families_represented": 0,
          "families": [],
          "note": "No PQC families deployed"
        },
        "1d_nist_security_category": {
          "score": 0,
          "mappings": {},
          "note": "No NIST PQC primitives deployed"
        },
        "1e_implementation_quality": {
          "score": 4,
          "formal_verification": "Polygon zkEVM audits (external)",
          "constant_time": "standard libraries",
          "libraries": [
            "Polygon zkEVM stack + Celestia node"
          ],
          "evidence": []
        }
      },
      "total_artifacts": 1
    },
    "2_hndl_exposure": {
      "weight": 0.08,
      "score": 10,
      "sub_scores": {
        "2a_active_key_exposure": {
          "score": 2,
          "note": "EOA ECDSA inherited from Ethereum. Mainnet ~18 months. Modest TVL."
        },
        "2b_cold_key_exposure": {
          "score": 3,
          "note": "Limited cold-key horizon."
        },
        "2c_signature_longterm_validity": {
          "score": 2,
          "note": "ECDSA + PLONK-KZG both Shor-breakable. Celestia Ed25519 also breakable."
        },
        "2d_encryption_confidentiality": {
          "score": 3,
          "note": "Standard TLS. No PQC KEM."
        }
      },
      "total_artifacts": 0
    },
    "3_metadata_privacy_exposure": {
      "weight": 0.08,
      "score": 22,
      "sub_scores": {
        "3a_tx_graph_visibility": {
          "score": 6,
          "note": "Pseudonymous EVM transparency."
        },
        "3b_rpc_mempool_concentration": {
          "score": 5,
          "note": "Centralized Manta sequencer. Celestia nodes + RPC providers."
        },
        "3c_cross_chain_bridge_correlation": {
          "score": 6,
          "note": "ETH<->Manta bridge + Celestia DA correlation."
        },
        "3d_retroactive_deanon_risk": {
          "score": 5,
          "note": "Non-private by design (Manta Pacific vs Manta Atlantic privacy chain)."
        }
      },
      "total_artifacts": 0
    },
    "4_migration_architecture": {
      "weight": 0.15,
      "score": 30,
      "sub_scores": {
        "4a_crypto_agility": {
          "score": 8,
          "note": "Polygon zkEVM-based — upgrade path depends on Polygon governance. Dual-layer complexity (DA + settlement)."
        },
        "4b_account_abstraction_key_rotation": {
          "score": 8,
          "note": "Inherits ERC-4337 from Ethereum. Manta Atlantic uses zkSBTs."
        },
        "4c_hard_fork_track_record": {
          "score": 7,
          "note": "Multiple Manta Pacific upgrades since Sept 2023. Celestia DA integration."
        },
        "4d_hybrid_deployment_readiness": {
          "score": 7,
          "note": "No hybrid PQC plan. Depends on Polygon zkEVM + Ethereum roadmap."
        }
      },
      "total_artifacts": 2
    },
    "5_deployment_execution": {
      "weight": 0.22,
      "score": 0,
      "sub_scores": {
        "5a_mainnet_pqc_pct": {
          "score": 0,
          "mainnet_pqc_pct": 0,
          "evidence": [],
          "note": "no public artifact found"
        },
        "5b_pqc_code_in_client": {
          "score": 0,
          "note": "no public artifact found"
        },
        "5c_validator_pqc_adoption": {
          "score": 0,
          "note": "no public artifact found"
        },
        "5d_published_milestones_count": {
          "score": 0,
          "count": 0,
          "note": "no public artifact found"
        },
        "5e_pqc_washing_delta": {
          "score": 0,
          "ratio": 1,
          "note": "No PQC announcements."
        }
      },
      "total_artifacts": 0
    },
    "6_supply_chain_vendor_readiness": {
      "weight": 0.25,
      "score": 6,
      "sub_scores": {
        "6a_wallet": {
          "score": 2,
          "top3": [
            "MetaMask",
            "Manta Wallet",
            "Rabby"
          ],
          "pqc_roadmap_count": 0
        },
        "6b_bridge": {
          "score": 1,
          "top3": [
            "Manta Native Bridge",
            "LayerZero",
            "Celer cBridge"
          ],
          "pqc_roadmap_count": 0
        },
        "6c_custodian": {
          "score": 2,
          "top3": [
            "Fireblocks (research only)",
            "BitGo",
            "Coinbase Custody"
          ],
          "pqc_roadmap_count": 0
        },
        "6d_rpc_hsm": {
          "score": 1,
          "top3": [
            "Manta RPC",
            "Ankr",
            "QuickNode"
          ],
          "pqc_roadmap_count": 0
        }
      },
      "total_artifacts": 0
    },
    "7_governance_coordination": {
      "weight": 0.1,
      "score": 25,
      "sub_scores": {
        "7a_validator_stake_distribution": {
          "score": 5,
          "note": "Centralized sequencer + Celestia DA."
        },
        "7b_upgrade_cadence_under_pressure": {
          "score": 6,
          "note": "Mainnet upgrades since 2023. Celestia integration coordinated."
        },
        "7c_named_coordination_lead": {
          "score": 8,
          "note": "Manta Network team (Kenny Li, Victor Ji). No named PQC lead."
        },
        "7d_adversarial_coordination_precedent": {
          "score": 6,
          "note": "Launch + bridge incident handling (Manta Atlantic)."
        }
      },
      "total_artifacts": 1
    }
  },
  "gates": {
    "hybrid_deployment": "FAIL",
    "evidence_reconstruction": "PASS",
    "primitive_naming": "PASS"
  },
  "caps_applied": [
    "Mosca (5a<20% → QRI max 60)",
    "Sutor (5d=0 → Migration Stage max 2)",
    "Preskill (several dims <3 artifacts × 0.5)",
    "Casado (4 vendor tiles pqc=0 → migration_stage max 3)",
    "Hybrid gate FAIL → QRI cap 60"
  ],
  "qri": {
    "raw": 11,
    "after_caps": 11,
    "ci_plus_minus": 13,
    "band": 1,
    "band_name": "Unaware"
  },
  "migration_stage": 0,
  "mosca_inequality": {
    "X_signature_shelf_life_years": "4-8 (young L2)",
    "Y_migration_time_years_range": "10-15 (dual-layer complexity — Polygon + Celestia)",
    "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": 15
    },
    "arrives_slowly_post_migration": {
      "value_preserved_pct": 75,
      "privacy_preserved_pct": 65
    },
    "arrives_slowly_mid_migration": {
      "value_preserved_pct": 30,
      "privacy_preserved_pct": 25
    }
  },
  "burn_vs_rescue_policy": "undeclared",
  "pqc_washing_ratio": 1,
  "vendor_tile_summary": {
    "wallet": {
      "top3": [
        "MetaMask",
        "Manta Wallet",
        "Rabby"
      ],
      "pqc_roadmap_count": 0
    },
    "bridge": {
      "top3": [
        "Manta Native Bridge",
        "LayerZero",
        "Celer cBridge"
      ],
      "pqc_roadmap_count": 0
    },
    "custodian": {
      "top3": [
        "Fireblocks",
        "BitGo",
        "Coinbase Custody"
      ],
      "pqc_roadmap_count": 0
    },
    "rpc_hsm": {
      "top3": [
        "Manta RPC",
        "Ankr",
        "QuickNode"
      ],
      "pqc_roadmap_count": 0
    }
  },
  "narrative_summary": "Manta Pacific is a modular L2 combining Polygon zkEVM + Celestia DA, mainnet Sept 2023. Standard pairing-based PLONK + Ed25519 DA stack, all Shor-breakable. No PQC activity. Migration is structurally complex due to Polygon zkEVM + Celestia dual dependencies. Band 1 Unaware.",
  "evaluator_notes": "Dual-layer architecture (settlement + DA) doubles PQC coordination surface. Manta Atlantic (separate zk-privacy chain on Polkadot) would score differently but is out of scope here.",
  "narrative_voiced": "Manta Pacific calls itself modular, which is another way of saying it depends on two other chains to survive. Polygon zkEVM plus Celestia DA means any PQC migration has to happen twice, in two governance forums that have never had to agree on crypto."
}