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. Unclaimed OP Mainnet or Base withdrawal

   Optimism, Base

   $290 · 23 positions

   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:

   • Superbridge Base (listed by Base docs) (opens in a new tab)

   Official docs (opens in a new tab)

2. Unclaimed OP Stack chain withdrawal

   Blast, Mantle, Mode, Zora, Lisk, Ink, Unichain and other OP chains

   $258 · 22 positions

   You withdrew from an OP Stack chain to Ethereum but never completed the last step. The funds wait in that chain's bridge.

   1. Use the official bridge of the chain you withdrew from (linked next to each of your positions).
   2. Connect the receiving wallet and open your transactions. Press Prove, wait out the challenge period shown on the page, then press Finalize.
   3. Pay the Ethereum gas fee each time.

   Official bridges for the chains your positions are on:

   • Mode Bridge (opens in a new tab)
   • Zora Energy Bridge (opens in a new tab)
   • Manta Pacific Bridge (opens in a new tab)
   • Superbridge (Ink) (listed by Ink docs) (opens in a new tab)

   Official docs (opens in a new tab)

3. Unclaimed Linea withdrawal

   $65 · 3 positions

   You withdrew ETH or tokens from Linea to Ethereum but never claimed them on Ethereum. They wait in the bridge.

   1. Open the Linea bridge and connect the receiving wallet.
   2. Open your transaction history and find the withdrawal marked ready to claim.
   3. Press Claim and pay the Ethereum gas fee.

   Official bridges for the chains your positions are on:

   • Linea Bridge (opens in a new tab)

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

4. zkSync Lite balance not claimed

   $36 · 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)

5. Unfinished zkSync withdrawal

   zkSync Era

   $35 · 3 positions

   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:

   • ZKsync Portal bridge (opens in a new tab)

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

6. Unclaimed Arbitrum withdrawal

   Arbitrum One, Arbitrum Nova

   $27 · 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)

7. Thruster v3 position on Blast

   $15 · 1 position

   You hold a Thruster v3 liquidity position (an NFT) on Blast. Thruster has shut down, but the position contract still works.

   1. Open the position contract 0x434575EaEa081b735C985FA9bf63CD7b87e227F9 on Blastscan, Write tab, and connect the wallet that owns the NFT.
   2. Call decreaseLiquidity with your tokenId, the liquidity amount, amount0Min, amount1Min and a deadline. Thruster's old guide explains each field.
   3. Then call collect(tokenId, recipient, max, max) to receive the tokens. You can call burn(tokenId) afterwards to delete the empty NFT.
   4. If the NFT is not in your wallet, it may be locked in another contract such as Hyperlock. Withdraw it from there first.

   Thruster position manager (opens in a new tab)

8. Unclaimed Scroll withdrawal

   $11 · 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)

9. Old Mantle v1 withdrawal

   $9 · 2 positions

   You withdrew from the old Mantle chain (2023 to March 2024) and the withdrawal never finished on Ethereum. We could not confirm that the current Mantle bridge still finishes pre-upgrade withdrawals.

   1. Open the Mantle bridge and connect the wallet that made the withdrawal.
   2. Find the withdrawal in your history. Current withdrawals need Prove (about 30 minutes), then Claim on Ethereum about 30 minutes later.
   3. If an old withdrawal is not listed, contact Mantle support with the transaction hash.

   Official bridges for the chains your positions are on:

   • Mantle Bridge (opens in a new tab)

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

10. STG never swapped to ZRO

    Stargate / LayerZero

    <$1 · 1 position

    You hold STG that was never swapped to ZRO. The official redemption site gives 0.08634 ZRO per STG. LayerZero says conversions end on 15 December 2026.

    1. Open the STG Redemption site and connect the wallet that holds STG on Ethereum.
    2. Sign the Terms of Conversion message when asked, approve STG, then confirm the swap.
    3. Do this before 15 December 2026. Conversions are not supported after that date.
    4. Without the site: call swap(stgAmount, signature) on 0x921949cc006A563D76Abd111a3e4c2ACe2C4273f. The signature is of the Terms text.

    Stargate's STG to ZRO post on X (opens in a new tab)Official docs (opens in a new tab)

11. Polygon zkEVM balance

    <$1 · 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)