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. Unfinished zkSync withdrawal

   zkSync Era

   $19 · 1 position

   You started a withdrawal from zkSync Era (or a similar ZK Stack chain) to Ethereum, but never finalized it on Ethereum. The money sits in the L1 bridge.

   1. Open the ZKsync bridge and connect your wallet.
   2. Find the withdrawal that is ready to finalize. Withdrawals are delayed about 3 hours after they are sent.
   3. Press Finalize and pay the Ethereum gas fee. The funds go to the receiver address.

   Official bridges for the chains your positions are on:

   • Sophon claim portal (opens in a new tab)

   zkSync Bridge (opens in a new tab)Official docs (opens in a new tab)

2. Plasma pre-deposit vault shares

   Plasma (XPL pre-deposit vault)

   $12 · 1 position

   You hold shares of the Plasma USD Vault from the XPL sale or later deposits. They are still unredeemed and can be withdrawn for USDT0.

   1. Open the Plasma dashboard, connect your wallet and look for the vault in Portfolio or Savings.
   2. Press Withdraw on the vault and confirm. We could not confirm the exact screen for pre-deposit vault shares.
   3. On Ethereum: shares first need to be bridged to Plasma with the Teller contract.

   Plasma dashboard (opens in a new tab)Official docs (opens in a new tab)

3. Polygon zkEVM balance

   $4 · 1 position

   Polygon zkEVM's sequencer stopped on 1 July 2026. Wallet-held funds not bridged before then can be claimed on Ethereum in a claim UI. Polygon treats unclaimed assets as abandoned after 2027-12-31.

   1. Open the Polygon zkEVM claims site and connect the wallet that held the funds.
   2. Pick your balances and send the claim transaction on Ethereum.
   3. Funds locked inside DeFi contracts are not auto-migrated. Ask Polygon through the forum post.

   Official bridges for the chains your positions are on:

   • Agglayer bridge UI (opens in a new tab)

   zkEVM claims site (opens in a new tab)Official docs (opens in a new tab)

4. Unclaimed Arbitrum withdrawal

   Arbitrum One, Arbitrum Nova

   <$1 · 1 position

   You withdrew ETH or tokens from Arbitrum to Ethereum but never did the final claim on Ethereum. The challenge period (about 6.4 days) is long over, so the funds can be claimed now.

   1. Open the Arbitrum bridge and connect the receiving wallet.
   2. Open Transactions and find the withdrawal marked Claim, or paste the withdrawal transaction hash.
   3. Press Claim and confirm. You pay the Ethereum gas fee. The funds go to the recipient.

   Official bridges for the chains your positions are on:

   • Arbitrum Bridge (opens in a new tab)

   Arbitrum bridge (opens in a new tab)Official docs (opens in a new tab)

5. Unclaimed OP Mainnet or Base withdrawal

   Optimism, Base

   <$1 · 1 position

   You withdrew ETH or tokens from OP Mainnet or Base to Ethereum but never did the last step on Ethereum. The funds wait in the bridge contract.

   1. OP Mainnet: open the Optimism bridge (app.optimism.io/bridge), connect the receiving wallet, open your withdrawal, press Prove, then Finalize after 7 days.
   2. Base: Base's docs list Superbridge and Brid.gg as its bridges. Open one, connect the receiving wallet, find the withdrawal, press Prove, then Finalize.
   3. Base waits 5 days after Prove (1 day if both a TEE proof and a ZK proof back it). Pay the Ethereum gas fee each time.

   Official bridges for the chains your positions are on:

   • Optimism Bridge (opens in a new tab)

   Official docs (opens in a new tab)

6. Unclaimed Scroll withdrawal

   <$1 · 1 position

   You withdrew from Scroll to Ethereum but never claimed on Ethereum. The funds wait in the bridge.

   1. Open the Scroll bridge and connect the wallet that withdrew.
   2. Wait until the batch with your withdrawal is finalized on Ethereum, then find the entry marked Claim in the withdraw history.
   3. Press Claim and pay the Ethereum gas fee.

   Official bridges for the chains your positions are on:

   • Scroll Portal bridge (opens in a new tab)

   Scroll bridge (opens in a new tab)Official docs (opens in a new tab)

7. Unclaimed Starknet withdrawal

   StarkGate (Starknet)

   <$1 · 1 position

   You withdrew from Starknet to Ethereum but never ran the last step on Ethereum. The funds wait in the StarkGate bridge.

   1. Open StarkGate and connect the receiving wallet.
   2. Open Withdraw history and find the withdrawal ready to claim.
   3. Press Complete or Claim and pay the Ethereum gas fee.

   StarkGate (opens in a new tab)Official docs (opens in a new tab)

8. zkSync Lite balance not claimed

   <$1 · 2 positions

   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)