{
  "chain_slug": "multiversx",
  "name": "MultiversX",
  "scorecard_profile": "L1",
  "evaluated_at": "2026-04-18",
  "evaluator": "layerqu-v2-scoring-agent-3",
  "v1_reference": "chainscreen-v1-archive",
  "dimensions": {
    "1_cryptographic_exposure": {
      "weight": 0.15,
      "score": 28,
      "sub_scores": {
        "1a_primitive_inventory": {
          "score": 12,
          "primitives_named": [
            "BLS12-381 multi-signature (consensus attestations, validator signing)",
            "Ed25519 (user tx)",
            "Schnorr variants (Adaptive State Sharding signatures)",
            "Keccak-256",
            "SHA-256"
          ],
          "evidence": [
            "https://docs.multiversx.com",
            "https://multiversx.com"
          ],
          "note": "Sharded L1 with 3,200+ validators. Supernova upgrade Q1 2026."
        },
        "1b_shor_grover_pq_tag": {
          "score": 12,
          "tags": {
            "BLS12-381": "Shor-break (pairing-based)",
            "Ed25519": "Shor-break",
            "Schnorr": "Shor-break",
            "Keccak-256": "Grover-weaken-128bit",
            "SHA-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": "Academic research on Secure Proof-of-Stake (SPoS) protocol",
          "constant_time": "standard libraries (Go)",
          "libraries": [
            "mx-chain-go (Go implementation)"
          ],
          "evidence": [
            "https://github.com/multiversx/mx-chain-go"
          ]
        }
      },
      "total_artifacts": 2
    },
    "2_hndl_exposure": {
      "weight": 0.1,
      "score": 14,
      "sub_scores": {
        "2a_active_key": {
          "score": 3,
          "note": "Ed25519 user keys exposed on first tx. BLS12-381 validator sig harvesting exposes aggregated consensus keys."
        },
        "2b_cold_key": {
          "score": 4,
          "note": "Mainnet July 2020. 5+ years of cold Ed25519 keys."
        },
        "2c_sig_long_term": {
          "score": 4,
          "note": "Historical BLS multi-sig consensus proofs persistent, retroactively forgeable under Shor."
        },
        "2d_encryption_conf": {
          "score": 3,
          "note": "Standard TLS. No PQC KEM."
        }
      },
      "total_artifacts": 1
    },
    "3_metadata_privacy_exposure": {
      "weight": 0.1,
      "score": 28,
      "sub_scores": {
        "3a_graph_visibility": {
          "score": 7,
          "note": "Transparent sharded graph. Adaptive State Sharding creates cross-shard linkability."
        },
        "3b_rpc_concentration": {
          "score": 7,
          "note": "3,200+ validators reduce RPC concentration vs typical L1. Foundation-aligned endpoints still dominant."
        },
        "3c_bridge_correlation": {
          "score": 7,
          "note": "MultiversX bridges to Ethereum/BSC visible."
        },
        "3d_retroactive_deanon": {
          "score": 7,
          "note": "Cross-shard tx pattern analysis under Shor-break could reveal more than typical single-chain."
        }
      },
      "total_artifacts": 1
    },
    "4_migration_architecture": {
      "weight": 0.12,
      "score": 35,
      "sub_scores": {
        "4a_crypto_agility": {
          "score": 10,
          "note": "Adaptive State Sharding + SPoS consensus is modular. BLS aggregation scheme pluggable. Go codebase reasonably maintainable."
        },
        "4b_aa_key_rotation": {
          "score": 7,
          "note": "Native smart-account features via 'guardians' system. Limited AA flexibility vs ERC-4337 ecosystem."
        },
        "4c_hard_fork_track_record": {
          "score": 10,
          "note": "Multiple major upgrades: mainnet launch (2020), sharding improvements, Sirius, Supernova (Q1 2026). Strong coordination."
        },
        "4d_hybrid_deployment_readiness": {
          "score": 8,
          "note": "No hybrid PQC plan but Supernova upgrade (Q1 2026) improved consensus efficiency — infrastructure change could adapt to PQ sigs."
        }
      },
      "total_artifacts": 2
    },
    "5_deployment_execution": {
      "weight": 0.2,
      "score": 0,
      "sub_scores": {
        "5a_mainnet_pqc_pct": {
          "score": 0,
          "mainnet_pqc_pct": 0,
          "evidence": [],
          "note": "no public artifact found"
        },
        "5b_pqc_code_in_consensus": {
          "score": 0,
          "loc_or_bytes": 0,
          "note": "no public artifact found"
        },
        "5c_validator_pqc_keys": {
          "score": 0,
          "pct": 0,
          "note": "no public artifact found"
        },
        "5d_published_milestones": {
          "score": 0,
          "count": 0,
          "milestones": [],
          "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": 0.2,
      "score": 8,
      "sub_scores": {
        "6a_wallet": {
          "score": 2,
          "top3": [
            "xPortal (MultiversX Wallet)",
            "MetaMask (via extension)",
            "Ledger (native)"
          ],
          "pqc_roadmap_count": 0
        },
        "6b_bridge": {
          "score": 2,
          "top3": [
            "MultiversX Ethereum Bridge",
            "LayerZero",
            "Axelar (limited)"
          ],
          "pqc_roadmap_count": 0
        },
        "6c_custodian": {
          "score": 2,
          "top3": [
            "Fireblocks (research only)",
            "BitGo",
            "Coinbase Custody"
          ],
          "pqc_roadmap_count": 0
        },
        "6d_rpc_hsm": {
          "score": 2,
          "top3": [
            "MultiversX Gateway",
            "Polkachu",
            "validator endpoints"
          ],
          "pqc_roadmap_count": 0
        }
      },
      "total_artifacts": 1
    },
    "7_governance_coordination": {
      "weight": 0.13,
      "score": 40,
      "sub_scores": {
        "7a_validator_stake_distribution": {
          "score": 12,
          "note": "3,200+ validators across shards. High decentralization vs typical L1s."
        },
        "7b_upgrade_cadence_under_pressure": {
          "score": 12,
          "note": "Multiple successful major upgrades (Sirius, Supernova). Coordinated across 3,200+ validators."
        },
        "7c_named_coordination_lead": {
          "score": 9,
          "note": "MultiversX Foundation (Beniamin & Lucian Mincu). Academic-heavy team."
        },
        "7d_adversarial_coordination_precedent": {
          "score": 7,
          "note": "Handled network incidents via upgrades. No PQC-specific precedent."
        }
      },
      "total_artifacts": 2
    }
  },
  "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": 16,
    "after_caps": 16,
    "ci_plus_minus": 11,
    "band": 2,
    "band_name": "Acknowledged"
  },
  "migration_stage": 0,
  "mosca_inequality": {
    "X_signature_shelf_life_years": "7-12 (5+ years mainnet)",
    "Y_migration_time_years_range": "8-12 (3,200 validator coordination is both strength and overhead)",
    "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": 5,
      "privacy_preserved_pct": 10
    },
    "arrives_slowly_post_migration": {
      "value_preserved_pct": 85,
      "privacy_preserved_pct": 70
    },
    "arrives_slowly_mid_migration": {
      "value_preserved_pct": 40,
      "privacy_preserved_pct": 30
    }
  },
  "burn_vs_rescue_policy": "undeclared",
  "pqc_washing_ratio": 1,
  "vendor_tile_summary": {
    "wallet": {
      "top3": [
        "xPortal",
        "MetaMask extension",
        "Ledger"
      ],
      "pqc_roadmap_count": 0
    },
    "bridge": {
      "top3": [
        "MultiversX Ethereum Bridge",
        "LayerZero",
        "Axelar"
      ],
      "pqc_roadmap_count": 0
    },
    "custodian": {
      "top3": [
        "Fireblocks",
        "BitGo",
        "Coinbase Custody"
      ],
      "pqc_roadmap_count": 0
    },
    "rpc_hsm": {
      "top3": [
        "MultiversX Gateway",
        "Polkachu",
        "validator endpoints"
      ],
      "pqc_roadmap_count": 0
    }
  },
  "narrative_summary": "MultiversX is a sharded L1 with 3,200+ validators using BLS12-381 multi-sig consensus + Ed25519 user tx. Adaptive State Sharding and SPoS. Multiple successful major upgrades (Sirius, Supernova Q1 2026). Decentralization is unusually high for an L1 in this batch. No PQC activity. Strong governance architecture. Band 2 Acknowledged.",
  "evaluator_notes": "MultiversX's 3,200+ validator set is the standout decentralization signal in the batch. BLS12-381 multi-sig aggregation is a technical strength that would require careful redesign under PQC — BLS aggregation doesn't have a clean PQ analogue (no lattice-based aggregate sig matches BLS compactness). Migration architecture is above average; deployment execution is zero.",
  "narrative_voiced": "MultiversX coordinates upgrades across 3,200+ validators more successfully than most L1s coordinate across twenty. That is the rare good news here. The rare bad news is that BLS12-381 aggregation has no clean post-quantum replacement, so the migration is not just larger signatures, it is a different architecture."
}