MANTLE · rollup-L2 · QRI 12 · BAND 1 Unaware Hybrid FAIL · Stage 0 · Washing 1x

Mantle is the chain that proved it can swap a core piece of infrastructure (MantleDA to EigenDA) without breaking. That is the one muscle a PQC migration actually needs, and it is the one muscle most chains in this batch have never exercised.

inLinkedIn XPost ▼Scorecard JSON ⇆Compare Verified 2026-04-18

Summary

Mantle is a Bybit-aligned optimistic L2 with EigenDA (migrated from MantleDA). ECDSA + BLS12-381 DA signatures, all Shor-breakable. Large treasury (BitDAO heritage). No PQC activity. Migration architecture benefits from demonstrated EigenDA migration precedent. Band 1 Unaware.

What the gates say

Hybrid: FAIL. No hybrid plan on file.
Evidence: PASS. Sources reconstructable by third party.
Primitive naming: PASS. Named primitives at every scored sub-level.

Burn-vs-rescue policy on file

undeclared

Seven dimensions

Each dimension scores 0-100 internally; the weighted roll-up produces the QRI on the left. Open a row to read the sub-score detail.

1 Cryptographic Exposure 22 / 100

1a_primitive_inventory 10 / 20

Optimistic rollup using EigenDA (originally MantleDA).

Primitives: ECDSA secp256k1 (inherited from Ethereum) · EigenDA BLS12-381 (data availability attestations) · Keccak-256 · MantleDA (Optimistic + BLS-signed DA)

Evidence: mantle.xyz

1b_shor_grover_pq_tag 10 / 20

1c_algorithm_family_diversity 0 / 20

No PQC families deployed

1d_nist_security_category 0 / 20

No NIST PQC primitives deployed

1e_implementation_quality 2 / 20

2 HNDL Exposure 12 / 100

2a_active_key_exposure 3 / 20

EOA ECDSA inherited from Ethereum. BitDAO treasury-backed TVL is sizeable.

2b_cold_key_exposure 3 / 20

Mainnet July 2023. BitDAO historical addresses (pre-Mantle rebrand) extend cold-key horizon.

2c_signature_longterm_validity 3 / 20

ECDSA + BLS12-381 DA sigs both Shor-breakable.

2d_encryption_confidentiality 3 / 20

Standard TLS. No PQC KEM.

3 Metadata & Privacy Exposure 22 / 100

3a_tx_graph_visibility 6 / 20

Pseudonymous EVM transparency.

3b_rpc_mempool_concentration 5 / 20

Mantle-operated sequencer + EigenDA node set.

3c_cross_chain_bridge_correlation 6 / 20

ETH<->Mantle bridge + BitDAO treasury movements visible.

3d_retroactive_deanon_risk 5 / 20

Non-private by design.

4 Migration Architecture 30 / 100

4a_crypto_agility 8 / 20

OP Stack derivative. EigenDA migration (from MantleDA) shows capacity for DA-layer changes.

4b_account_abstraction_key_rotation 8 / 20

Inherits ERC-4337 from Ethereum.

4c_hard_fork_track_record 8 / 20

BitDAO→Mantle rebrand + EigenDA migration. Strong coordination history.

4d_hybrid_deployment_readiness 6 / 20

No hybrid PQC plan. Depends on Ethereum + EigenDA roadmaps.

5 Deployment Execution 0 / 100

5a_mainnet_pqc_pct 0 / 20

no public artifact found

5b_pqc_code_in_client 0 / 20

no public artifact found

5c_validator_pqc_adoption 0 / 20

no public artifact found

5d_published_milestones_count 0 / 20

no public artifact found

5e_pqc_washing_delta 0 / 20

No PQC announcements.

6 Supply Chain Vendor Readiness 8 / 100

6a_wallet 2 / 20

6b_bridge 2 / 20

6c_custodian 2 / 20

6d_rpc_hsm 2 / 20

7 Governance & Coordination 32 / 100

7a_validator_stake_distribution 5 / 20

Centralized Mantle sequencer. EigenDA operators are separate set.

7b_upgrade_cadence_under_pressure 9 / 20

BitDAO→Mantle rebrand + MantleDA→EigenDA migration coordinated successfully.

7c_named_coordination_lead 11 / 20

Mantle Governance (BIT→MNT token holders via Bybit-aligned DAO). Decent participation.

7d_adversarial_coordination_precedent 7 / 20

Treasury governance contentious but functional. No PQC precedent.

The X + Y vs Z inequality

X (data shelf life): 5-10 (BitDAO heritage extends horizon)

Y (migration time): 10-15 (L2 + EigenDA dual-dependency)

Z10 (10% CRQC year): 2036 · Z50 (50%): 2041

Verdict: X+Y > Z (danger).

Four-scenario grid

Scenario	Value preserved	Privacy preserved
quantum never	100%	100%
arrives suddenly pre migration	10%	10%
arrives slowly post migration	75%	70%
arrives slowly mid migration	30%	30%

Peers in the rollup-L2 profile

Order-book view of the 9 chains closest to Mantle by QRI.

Optimism (OP Mainnet)

Public artifacts used for this scorecard

Each entry below is a sub-score citation. Clicking the link takes you to the public source. A third party should be able to reconstruct every number on this page from these URLs in 48 hours.

Cryptographic Exposure · 1a_primitive_inventory

Optimistic rollup using EigenDA (originally MantleDA).

https://www.mantle.xyz/litepaper

Supply chain snapshot

wallet MetaMask · Rabby · Bybit Wallet 0 PQC roadmaps

bridge Mantle Native Bridge · LayerZero · Stargate 0 PQC roadmaps

custodian Bybit Custody · Fireblocks · BitGo 0 PQC roadmaps

rpc_hsm Mantle RPC · Alchemy · QuickNode 0 PQC roadmaps

A chain's supply chain cannot migrate faster than its slowest dependency. Zero PQC roadmaps in any of the four categories is a structural blocker, not a lagging indicator.

Analyst notes on the scoring

EigenDA migration history is a genuine governance positive — Mantle has shown ability to swap a core infrastructure component. No PQC activity yet. Bybit alignment is a custodial vendor positive if prioritized.

Scorecard metadata

Profile: rollup-L2
Scored: 2026-04-18 by layerqu-v2-scoring-agent-3
v1 reference: chainscreen-v1-archive
QRI raw: 12 · after caps: 12
Confidence interval: ±12
PQC washing ratio: 1x
Burn-vs-rescue: undeclared

Caps triggered

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