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

   $21 · 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. K2 (Karak) chain balance

   $4 · 1 positionNeeds the team

   The K2 team's bridge on Ethereum now pays balances by Merkle proof (a list that proves your balance). The merkle root is set and claims are not paused. After 2027-09-12 the guardian can sweep what is left.

   1. Ask the K2 team for your Merkle proof. We could not find an official page that gives proofs.
   2. On the OptimismPortal 0xeeCE9CD7Abd1CC84d9dfc7493e7e68079E47eA73 call claimETH(_amount, _proof) for ETH.
   3. For tokens, call claimTokens(_tokens, _amounts, _proof) on the L1StandardBridge 0xBA61F25dd9f2d5f02D01B1C2c1c5F0B14c4B48A3.

   K2 OptimismPortal on Etherscan (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. STG never swapped to ZRO

   Stargate / LayerZero

   $2 · 1 positionMay not work

   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)

5. MATIC never swapped to POL

   Polygon

   $1 · 1 position

   You hold old MATIC on Ethereum that was never swapped to POL. The swap is 1 to 1. Polygon has not announced a deadline.

   1. Open the Polygon Portal upgrade page and connect your wallet. Switch the wallet to Ethereum.
   2. Approve the upgrade contract to use your MATIC.
   3. Confirm the migrate transaction to receive POL. You pay Ethereum gas.

   Polygon portal (opens in a new tab)Official docs (opens in a new tab)

6. Nucleus vault shares

   Nucleus (BoringVault)

   <$1 · 1 position

   Nucleus deprecated its vaults on 19 Dec 2025 and the withdraw page is gone. You can redeem vault shares through the Teller contract, but only for assets the vault still holds.

   1. Read the Nucleus deprecation guide first.
   2. Check which tokens the vault still holds, and your vault token balance, on Etherscan (or the Plume explorer).
   3. On the vault's Teller contract, Write tab, call bulkWithdraw(withdrawAsset, shareAmount, minimumAssets, to). The guide says to use 0 for minimumAssets.

   Nucleus deprecation guide (opens in a new tab)Official docs (opens in a new tab)

7. Lisk L2 balance (closing)

   <$1 · 1 position

   Lisk's own chain closes on 2026-10-31. Lisk says withdrawing to Ethereum takes about 8 days, and unstaking LSK adds 3 days. Start now.

   1. Open the Lisk bridge (type bridge.lisk.com yourself) and connect your wallet.
   2. Withdraw your assets to Ethereum. If you staked LSK, unlock it first and wait 3 days.
   3. After the wait, prove and finalize the withdrawal on Ethereum. You pay gas on both chains.

   Official bridges for the chains your positions are on:

   • Lisk Bridge (opens in a new tab)

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

8. Old SAI stablecoin to cash out

   Maker SAI

   <$1 · 1 positionMay not work

   SAI (the first Dai) was shut down. Each SAI can still be cashed for a fixed amount of WETH: 0.0052856 WETH per SAI (read from the contract).

   1. Approve first: on the SAI token 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359 call approve(spender = 0xBda109309f9FafA6Dd6A9CB9f1Df4085B27Ee8eF, amount).
   2. Open the SaiTap contract 0xBda109309f9FafA6Dd6A9CB9f1Df4085B27Ee8eF on Etherscan, Write tab, and connect your wallet.
   3. Call cash(wad) with your SAI amount. You receive WETH.

   SaiTap contract (opens in a new tab)

9. BEP2 tokens locked on BSC

   BNB Beacon Chain, BNB Chain

   $0 · 1 position

   You moved BEP2 tokens from the old BNB Beacon Chain to BSC with the recovery tool. The 7-day lock is over, but the tokens were never withdrawn on BSC.

   1. Check that the recipient address is yours.
   2. Open the TokenHub contract 0x0000000000000000000000000000000000001004 on BscScan (Write tab) and connect a wallet.
   3. Call withdrawUnlockedToken(tokenContract, recipient). Anyone can send it; the funds go to the recipient.

   TokenHub on BscScan (opens in a new tab)Official docs (opens in a new tab)