Use only the official links below. No real recovery asks for your seed phrase or private key. If anyone offers to recover funds for you, it is a scam.

1. dYdX v3 balance

   $5,450 · 1 position

   dYdX v3 was shut down and its exchange was set to 'frozen' on Ethereum. Your USDC can still be taken out through the escape hatch, or withdrawn if already released.

   1. Open dYdX's v3 sunset post and use the Escape Hatch link in its last update. It is hosted by an independent third party.
   2. Escape needs a proof for your stark key and position. The page builds it; the escape call goes to StarkPerpetual 0xD54f502e184B6B739d7D27a6410a67dc462D69c8.
   3. Then call withdraw from your registered Ethereum address to receive the USDC. You pay Ethereum gas.

   dYdX StarkPerpetual contract (opens in a new tab)Official docs (opens in a new tab)

2. zkSync Lite balance not claimed

   $236 · 1 position

   zkSync Lite was shut down on 2026-05-04. Remaining balances are claimable on Ethereum through a claim contract and a withdrawal portal. Your account is on that list and has not claimed.

   1. Open the zkSync Lite withdrawal portal and connect the wallet that owned the account.
   2. The portal finds your address in the final state, builds the proof and sends the claim. Follow its prompts.
   3. Confirm the Ethereum transaction. Tokens go to your L1 address. Matter Labs sponsors gas for the first 100,000 withdrawals.

   zkSync Lite withdrawal portal (opens in a new tab)Official docs (opens in a new tab)

3. Funds in old Ethereum contracts (2015-2021)

   $65 · 1 position

   You have a balance in an old Ethereum contract (The DAO, EtherDelta, IDEX, the 2017 ENS registrar, DigixDAO and others). Each contract has its own withdraw call. Use the wallet that owns the position.

   1. The DAO: on the DAO token 0xbb9bc244d798123fde783fcc1c72d3bb8c189413 call approve(0xbf4ed7b27f1d666546e30d74d50d173d20bca754, yourBalance). Then call withdraw() on the WithdrawDAO contract 0xbf4ed7b27f1d666546e30d74d50d173d20bca754. It pays 1 ETH per 100 DAO.
   2. EtherDelta 0x8d12a197cb00d4747a1fe03395095ce2a5cc6819: from the wallet that deposited, call withdraw(amount) for ETH or withdrawToken(token, amount) for a token. Amounts are in the token's smallest unit.
   3. IDEX v1 0x2a0c0dbecc7e4d658f48e01e3fa353f44050c208: call withdraw(token, amount). Use token 0x0000000000000000000000000000000000000000 for ETH. It reverts if your last IDEX activity was fewer than 240 blocks ago.
   4. 2017 ENS registrar 0x6090a6e47849629b7245dfa1ca21d94cd15878ef: call releaseDeed(labelhash) for the name. The labelhash is keccak256 of the name without .eth. The deposit goes back to the deed owner.
   5. Other contracts (DigixDAO, Neufund and more): use the contract's own withdraw or refund function on Etherscan from the owner wallet. Check the contract's code first.

   WithdrawDAO contract (The DAO) (opens in a new tab)Official docs (opens in a new tab)

4. Polkadot 2017 sale DOT unclaimed

   Polkadot, Kusama

   $43 · 1 positionMay not work

   This Ethereum address bought DOT in the 2017 Polkadot sale, or got KSM in the 2019 Kusama drop, and never claimed it. You need the Ethereum wallet that bought it to sign one message.

   1. Follow the Polkadot wiki claims guide. In Polkadot-JS apps (Polkadot or Kusama), go to Developer > Extrinsics.
   2. Use claims.claim, or claims.claim_attest with the statement text if the row needs it.
   3. Sign the message with the Ethereum wallet that bought (personal_sign) and give a Polkadot account to receive. Part may be vesting-locked.

   Polkadot-JS apps (opens in a new tab)Official docs (opens in a new tab)

5. Curve fees not claimed (3CRV)

   $3 · 1 position

   You locked CRV in veCRV and earned fee rewards in 3CRV from the old Curve fee distributor, but never claimed them. They are still in the contract.

   1. Open the contract's Write tab on the block explorer and connect your wallet.
   2. Call claim with your address. Anyone can call it; the tokens go to you.
   3. If many weeks are unclaimed, repeat the call; each call covers up to 20 weeks.
   4. Check your wallet for the 3CRV.

   Fee distributor on Etherscan (opens in a new tab)

6. Balancer v1 or CoW AMM pool share

   $2 · 1 position

   You hold tokens of an old Balancer v1 pool or a Balancer CoW AMM pool. There is no Balancer app for v1, but you can leave the pool through the contract.

   1. Open the pool address (pool column) on the block explorer, Write Contract tab.
   2. Call exitPool(poolAmountIn, minAmountsOut) with your pool token amount. Use zeros for the minimums only if you accept any price.
   3. If your tokens are staked elsewhere, withdraw them there first. Balancer also publishes an open-source exit tool: github.com/balancer/exit-ui (no hosted copy was online on 2026-10-01).

   Official docs (opens in a new tab)