CHN

Chain Aid

Unified resolver for all crypto issues

ETH + L2s

Chain: Live

Debug Protocol

Wallet & chain
fixes, instantly.

Gas, approvals, contract calls, failed swaps, L2 bridges, MEV attacks, ZK proofs, restaking — every compatible network covered. Connect your wallet for secure diagnosis.

500+

Issues resolved

24/7

Live support

L1–L3

All chains

WC3

WalletConnect

Ethereum

Arbitrum

Optimism

Polygon

zkSync

Base

👛

Assets not visible

Tokens missing after network switch. Add custom token or check block explorer.

EVM tokens

🔐

Login & recovery

Recovery phrase issues, wrong derivation path, or JSON keystore.

Access

🚨

Phishing / approvals

Revoke suspicious token approvals or suspect wallet drain.

security

📮

Wrong network

Funds sent on wrong EVM chain (Arbitrum to Polygon).

cross-chain

💾

Hardware wallet

Ledger/Trezor connection, blind signing, or EVM app issue.

Ledger

📝

Backup & seed

BIP39 passphrase, Shamir backup or recovery checks.

best practice

👥

Multi-sig wallet

Gnosis Safe transaction confirmations, owners, rejections.

Safe

📥

Wallet import

PK import fails, hex format, or encrypted JSON.

migration

💔

Wallet corruption

Corrupted browser storage or indexDB errors.

data loss

🔑

Passphrase lost

Lost encryption password for keystore v3.

recovery

🤖

Smart Accounts

ERC-4337 smart contract wallet issues, paymaster, or bundler errors.

ERC-4337

🛡️

Social recovery

Guardian management, recovery initiation, or zkEmail recovery.

security

⏳

Pending / stuck tx

Nonce too low, replace or speed up.

nonce

⛽

Gas & fees

Out of gas, intrinsic gas too low.

EIP-1559

⇄

Swap / DEX issues

Slippage, insufficient liquidity, or price impact.

DeFi

🌉

Bridge / cross-chain

Arbitrum/Optimism/Polygon bridge delay.

L2

📦

Airdrop & rewards

Merkle proof, claim window, or insufficient gas.

rewards

🏦

Lending & liquidation

Health factor below 1, liquidation risk.

risk

🌊

Liquidity pools

Uniswap v3 range order issues, IL.

yield

🖼

NFT mint / transfer

Metamask not showing mint, contract revert.

NFT

⚡

Flash loan issues

Unprofitable, callback fail.

advanced

🛡

MEV protection

Frontrunning, private mempool, MEV-blocker.

security

🎯

Intent-based trading

CoW Protocol, UniswapX, or 1inch Fusion issues.

intents

✍️

Permit2 / signatures

Signature-based approvals, nonce reuse, or expiration.

gasless

🥪

Sandwich attacks

Slippage protection failed, MEV extraction detected.

attack

🏃

Frontrunning

Transaction reordering, priority gas auctions.

mev

📦

Flashbots relay

Bundle inclusion failed, target block missed.

bundle

🔒

Private RPC

MEV-Blocker, Eden RPC, or Flashbots Protect.

protection

⚖️

Arbitrage bots

Cross-DEX arb, price divergence, or gas cost > profit.

bot

💧

JIT liquidity

Just-in-time LP attacks, MEV extraction from LPs.

lp-risk

💰

Staking rewards

Lido/stETH not updating, rebasing issues.

rewards

⏱

Unstaking delays

Withdrawal queue / unbonding period.

lock period

🔪

Validator slashing

Penalties, exit reasons, or attestation issues.

penalty

🔄

EigenLayer restaking

AVS selection, operator delegation, or reward claims.

restaking

💎

LRT issues

rsETH, ezETH, weETH depeg or withdrawal issues.

lst

🚪

Staking pool exit

RPL/stETH unstaking issues or withdrawal credentials.

exit

⚙

Validator setup

Prysm/Lighthouse/Teku issues, sync committees.

node

🌐

DVT validators

SSV Network, Obol DVT cluster issues.

dvt

📉

LST depeg

stETH, rETH, cbETH trading below ETH peg.

arbitrage

🔄

Rollup withdrawals

L2 → L1 delay, forced tx, or 7-day challenge period.

optimistic

🌉

Bridging to L2

Stuck bridge, relay not picked, or message failures.

scaling

🧮

L2 gas calculation

L1 data fee miscalculation, blob base fee.

eip-4844

🔄

State sync errors

L2 node sync stuck, sequencer downtime.

sync

🔏

ZK proving

Prover network delays, validity proof failures.

zkrollup

🎮

L3 / App-chains

Arbitrum Orbit, OP Stack custom gas token.

appchain

🚫

Sequencer issues

Forced inclusion, L1 escape hatch, or reordering.

censorship

🔐

ZK-SNARKs

Proof generation, verifier fail, or trusted setup.

privacy

⭐

ZK-STARKs

Starknet proof, Cairo lang, or recursive proofs.

starknet

🌀

Privacy pools

Tornado Cash forks, compliance proofs.

compliance

🌍

World ID

Orb verification, nullifier hash, or app integration.

identity

👤

Stealth addresses

ERC-5564/ERC-6538, Umbra protocol.

privacy

🎭

ZK identity

Polygon ID, Semaphore, or anon credentials.

did

📈

Price feed stale

Chainlink heartbeat missed, outdated round.

risk

🎭

Oracle manipulation

TWAP manipulation, flash loan attack vectors.

security

🤖

Keeper bots

Gelato, Chainlink Automation, or Keep3r network.

automation

🎲

VRF randomness

Chainlink VRF callback fail, request unfulfilled.

rng

⚡

Pyth Network

Solana price updates, confidence interval.

low-latency

🗳

Voting power

veTokens, delegation, or snapshot block.

governance

📜

Proposal execution

Governor Bravo, timelock, or execution failed.

on-chain

🏦

Treasury

Multi-sig, streaming, or Sablier vesting.

finance

📸

Snapshot voting

Offchain votes, IPFS pinning, or verification.

off-chain

⚔️

Gov attacks

Flash loan voting, proposal spam, or 51%.

security

✅

ERC-20 approvals

Infinite approval, allowance, or permit.

tokens

🖼

ERC-721 transfers

Approval, safeTransferFrom, or royalties.

NFTs

📦

ERC-1155 batches

Batch transfer, mint, or URI management.

multi-token

💰

ERC-4626 vaults

Share calculation, deposit/withdraw, or yield.

yield

🤖

ERC-4337 accounts

UserOperation, paymaster, or bundler.

account-abstraction

🔗

ERC-6551 TBA

ERC-6551, NFT as wallet, or TBA execution.

nft-wallet

💵

Treasury tokens

BUIDL, T-bill tokens, or KYC requirements.

rwa

🏦

Private credit

Centrifuge pools, NAV calculation, or defaults.

risk

🏛️

Custody solutions

Fireblocks, Copper, or Cobo integration.

institutional

✓

Compliance

KYC/AML checks, accredited investor gates.

regulatory

📡

DePIN mining

Hotspot mining, coverage claims, or token rewards.

hardware

🗄️

Decentralized storage

Filecoin deal making, retrieval, or sealing.

filecoin

🎨

GPU compute

Render Network jobs, Octane, or GPU staking.

render

📟

IoT onboarding

IoTeX device identity, Pebble tracker.

iot

⚙

Precompile calls

ecrecover, modexp, or bls12-381 errors.

low-level

🏗️

CREATE2

Address collision, init code, or salt.

deploy

🔧

Assembly / Yul

Inline asm, memory management, or revert.

advanced

🔄

Proxy upgrades

UUPS/transparent/beacon, storage collision.

upgrades

⛳

Huff / Assembly

Macro compilation, EVM opcodes, or gas golf.

huff

🐍

Vyper

Reentrancy guards, decimal issues, or compiler.

vyper