{ "chain_slug": "zklink", "name": "zkLink", "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": 18, "sub_scores": { "1a_primitive_inventory": { "score": 8, "primitives_named": [ "ECDSA secp256k1", "Keccak-256", "PLONK over BN254 (via ECC)", "Aggregated L3 proof system" ], "evidence": [ "v1:chainscreen-v1-archive/data/chains/zklink.json" ], "note": "L3 aggregated zkEVM on top of Ethereum L2s; PLONK proofs on elliptic curves." }, "1b_shor_grover_pq_tag": { "score": 4, "tags": { "ECDSA": "Shor-break", "PLONK-BN254": "Shor-break", "KZG commitments": "Shor-break" }, "evidence": [] }, "1c_algorithm_family_diversity": { "score": 1, "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": "PLONK circuits audited; proof system classical", "constant_time": "standard", "libraries": [ "zklink-nova" ], "evidence": [] } }, "total_artifacts": 1 }, "2_hndl_exposure": { "weight": 0.1, "score": 18, "sub_scores": { "2a_active_key_exposure": { "score": 5, "note": "EVM EOAs inherited." }, "2b_cold_key_exposure": { "score": 5, "note": "Small dormant; young chain." }, "2c_signature_longterm_validity": { "score": 4, "note": "Classical ECDSA." }, "2d_encryption_confidentiality": { "score": 4, "note": "TLS." } }, "total_artifacts": 1 }, "3_metadata_privacy_exposure": { "weight": 0.1, "score": 20, "sub_scores": { "3a_tx_graph_visibility": { "score": 5, "note": "Transparent, but aggregated L3 correlates across underlying L2s." }, "3b_rpc_mempool_concentration": { "score": 5, "note": "Centralized sequencer." }, "3c_cross_chain_bridge_correlation": { "score": 5, "note": "By design aggregates across multiple L2s = structural cross-chain correlation." }, "3d_retroactive_deanon_risk": { "score": 5, "note": "No shielded pools." } }, "total_artifacts": 1 }, "4_migration_architecture": { "weight": 0.18, "score": 28, "sub_scores": { "4a_crypto_agility": { "score": 7, "note": "L3 inherits underlying L2 migration path; multi-dependency." }, "4b_account_abstraction_key_rotation": { "score": 9, "note": "ERC-4337 available." }, "4c_hard_fork_track_record": { "score": 6, "note": "Brief; centralized sequencer upgrades." }, "4d_hybrid_deployment_readiness": { "score": 6, "note": "No PQ roadmap; dependent on Ethereum." } }, "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": 4, "sub_scores": { "6a_wallet": { "score": 1, "top3": [ "MetaMask", "Rabby", "OKX Wallet" ], "pqc_roadmap_count": 0, "evidence": [] }, "6b_bridge": { "score": 1, "top3": [ "zkLink bridge", "LayerZero", "Stargate" ], "pqc_roadmap_count": 0, "evidence": [] }, "6c_custodian": { "score": 1, "top3": [ "Coinbase Custody", "BitGo", "Binance" ], "pqc_roadmap_count": 0, "evidence": [] }, "6d_rpc_hsm": { "score": 1, "top3": [ "zkLink RPC", "Alchemy", "QuickNode" ], "pqc_roadmap_count": 0, "evidence": [] } }, "total_artifacts": 1 }, "7_governance_coordination": { "weight": 0.05, "score": 22, "sub_scores": { "7a_validator_stake_distribution": { "score": 4, "note": "Centralized sequencer." }, "7b_upgrade_cadence_under_pressure": { "score": 5, "note": "Limited track record." }, "7c_named_coordination_lead": { "score": 7, "note": "Named: zkLink Labs, Vince Yang." }, "7d_adversarial_coordination_precedent": { "score": 6, "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": 12, "after_caps": 10, "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": "6-12 (L3 stacked dependencies)", "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": 8, "privacy_preserved_pct": 8 }, "arrives_slowly_post_migration": { "value_preserved_pct": 45, "privacy_preserved_pct": 22 }, "arrives_slowly_mid_migration": { "value_preserved_pct": 22, "privacy_preserved_pct": 11 } }, "burn_vs_rescue_policy": "none-announced; inherits Ethereum", "pqc_washing_ratio": 0, "vendor_tile_summary": { "wallet": { "top3": [ "MetaMask", "Rabby", "OKX Wallet" ], "pqc_roadmap_count": 0 }, "bridge": { "top3": [ "zkLink bridge", "LayerZero", "Stargate" ], "pqc_roadmap_count": 0 }, "custodian": { "top3": [ "Coinbase Custody", "BitGo", "Binance" ], "pqc_roadmap_count": 0 }, "rpc_hsm": { "top3": [ "zkLink RPC", "Alchemy", "QuickNode" ], "pqc_roadmap_count": 0 } }, "narrative_summary": "zkLink is an aggregated L3 zkEVM stacked on Ethereum L2s, using PLONK on BN254. All crypto is Shor-breakable. Centralized sequencer, brief track record. Stacked-dependency model means migration is contingent on both Ethereum and each underlying L2 migrating first.", "evaluator_notes": "Stage 0. L3 stacking amplifies migration dependency chain; PQ posture is the weakest point across the stack.", "narrative_voiced": "zkLink is an L3 PLONK-on-BN254 rollup stacked on top of other rollups. Every layer underneath has to migrate first. That is a dependency chain that gets longer the more you think about it, not shorter." }