Victor Vance

Lead Technical Analyst & Systems Researcher

BIP-39 / BIP-44 Derivation WebAuthn / Passkeys ERC-4337 Account Abstraction Hardware HSM Recovery

Diagnostic Methodology & Background

Victor Vance leads technical research and codebase diagnostics at LayerZeroFault, investigating failure modes across cryptographic self-custody systems, Account Abstraction infrastructure (ERC-4337), and browser security enclaves (WebAuthn).

Our diagnostic procedures are developed through reproducible local testbenches, hardware testnets, and client-side simulations. In alignment with LayerZeroFault's zero-secrets security mandate, all diagnostic utilities and guides operate under strict principles: private keys and mnemonics must never be entered online, and all address derivation or checksum calculations run 100% in local browser memory.

Core Research Silos & Diagnostic Utilities

Interactive Sandbox

Published Diagnostic Manifest

hardware fallback

WebAuthn PRF hmac-secret Unsupported Error in Passkey Wallets

Diagnostic Methodology & Background

Core Research Silos & Diagnostic Utilities

Cryptographic Tools →

Passkey Recovery →

Hardware Fallback →

AI Agents & API Config →

Wallet Security Fixes →

Published Diagnostic Manifest

Ledger Seed Valid But Wrong Address: Passphrase & BIP-44 Derivation Fix

MetaMask Balance Zero After Secret Recovery Phrase: Account & Token Fix

How to Recover USDT Sent to the Wrong Network: EVM & Multi-Chain Guide

Ledger Live Cardano App 8 Account Scan & Sign Fix

Ledger Live QRCodeProtocolError During Sync

Trezor Cardano Native Tokens Missing in Tx Details

Trezor Suite Mobile Buy Crash on Account Switch

Trezor Suite Swap Slippage Offer Not Updating Fix

Trezor Suite Solana Excessive Requests & Lag Fix

Trezor Suite Stellar Token Activation Failures

WebAuthn PRF hmac-secret Unsupported Error in Passkey Wallets

EIP-7702 Authorization Revocation & Zero-Address Code Reset

ElizaOS plugin-form Control-Type Registry Desynchronization Bug

BitBox02 & Passport PSBT Multisig Keypath Mismatch Revert

WebCrypto P-256 SPKI DER Header Mismatch in Passkey Smart Accounts

WalletConnect wc_sessionAuthenticate CACAO Signature Bypass

ERC-4337 AA21 Didn't Pay Prefund UserOperation Revert Fix

Uniswap Permit2 Nonce Bitmap Collision

Arbitrum Orbit & Nitro Intrinsic Gas Too Low Estimation Fix

ElizaOS SQLITE_BUSY: Database is Locked in Agent Swarms Fix

Geth eth_simulateV1 BlockOverrides.Difficulty Crash Fix

Viem EIP-712 Nested Struct Hash Mismatch Revert Fix

Viem shouldRetry QuickNode -32007 Rate-Limit Error Fix

ERC-7739 Smart Account Signature Replay & ERC-1271 Revert

ERC-4337 AA13 initCode Failed Factory Gas Revert Fix

ERC-7683 Cross-Chain Intent Replay & Settler Contract Revert (0x54656c6c)

ERC-4337 Passkey P256 AA23 Signature Revert Fix

WebAuthn Conditional Mediation AbortError & Autofill Lock Fix

ERC-7579 Session Key Cross-Chain Signature Replay Exploits

ERC-7579 Smart Account 'HookPostCheckFailed' Execution Revert

EIP-7702 Delegation Replay Vulnerability

WebAuthn Resident Key Credential Overflow

WebAuthn publickey-credentials-create Permissions Policy Revert

WebAuthn InvalidStateError & Multi-Device Passkey Credential ID Collisions

Turnkey WebAuthn rp.id Origin Mismatch NotAllowedError Fix

Safari ITP Blocking Passkey Smart Wallets Storage Access Rejection

ERC-4337 Session Key AA22 Reverts on Clock Drift and L2 Skew

ElizaOS SKILL.md Frontmatter Parse Failure on CRLF Line Endings

Ledger EthAppCommandError 6a80 Invalid Data on Arbitrum & L2 Fix

Geth BlobPool.Cache Nil Pointer Dereference Panic (p.store Race Fix)

Geth debug_getModifiedAccounts Omits Deleted Accounts (Trie Diff Fix)

Coinbase Passkey NotAllowedError Desktop & Bluetooth Fix

Ledger Valid Seed Phrase Opens Empty Wallet: 25th Word & Account Fix

Geth admin_exportChain Silent Gzip Corruption & Backup Failure

Geth eth_simulateV1 EIP-7825 Gas Limit Bypass Revert [2026 Resolved]

ERC-4337 AA33 Reverted: Paymaster Validation Failure Fix

WalletConnect postMessage Listener Missing event.origin Validation

Android Credential Manager WebAuthn NotAllowedError & Lock Fix

BIP-86 Taproot Missing Bitcoin & Ordinals Balance on Ledger Fix

Geth TrieDB StateReader Account Panic

WalletConnect Crypto.decode Silent Decryption Failure

Ledger Solana Missing SPL Tokens & Derivation Path Mismatch Fix

Trezor Suite Missing Legacy SegWit BIP49 BTC Balance Fix

Tangem Cardano Shelley Derivation Zero Balance Error Fix

Ledger Polkadot Migration DOT Balances & Generic App Fix

Ledger Nano Out of Memory on Complex EVM Calldata Payloads

Ledger Cardano Shelley vs Byron Derivation Path ADA Recovery

Trezor Error 0x6985 'Action Cancelled' on EIP-712 Typed Signatures

Keystone 3 Pro BIP-84 & Taproot Gap Limit Zero Balance Error

WalletConnect Relay WebSocket Stalls & Ping Timeouts in Headless AI Agents

Wagmi reconnect() Stuck at 'reconnecting' Error Fix

Geth Mempool Reorg Transaction Gapping and Stuck Nonce Stalls Fix

Ledger Blind Signing Auto-Reset & EIP-712 Multicall Revert Fix

Geth eth_getLogs Matcher Goroutine Leak and Head Livelock

Geth admin_startWS Socket Leak and WebSocket Port Collision

ElizaOS Vision Service Boolean Setting Bug

ElizaOS V8 Heap Out of Memory during PGVector RAG Ingestion Fix

ElizaOS Twitter Client 429 Rate Limits and Cookie Invalidation

ElizaOS Solana Blockhash Not Found and Jito MEV Reverts

ElizaOS AgentSkillsService 'SKILLS_AUTO_LOAD' Boolean Setting Bug

ElizaOS pgvector Dimension Mismatch Embedding Crash Fix

ElizaOS JS Runtime Bridge False '[cycle]' Serialization Bug