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. REPv1 never swapped to REPv2

   Augur (REP)

   $49,741 · 1 position

   You hold old REPv1 tokens that were never swapped to REPv2. The REPv2 contract still accepts them.

   1. Approve first: on REPv1 0x1985365e9f78359a9B6AD760e32412f4a445E862 call approve(spender = 0x221657776846890989a759BA2973e427DfF5C9bB, your full REPv1 balance).
   2. Open the REPv2 contract 0x221657776846890989a759BA2973e427DfF5C9bB on Etherscan, Write tab, and connect your wallet.
   3. Call migrateFromLegacyReputationToken(). It moves your whole REPv1 balance and mints REPv2 1 to 1.

   REPv2 contract on Etherscan (opens in a new tab)

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

   $5,165 · 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)

3. KNCL never swapped to KNC

   Kyber (KNCL)

   $42 · 1 position

   You hold old KNCL tokens that were never swapped to KNC. The KNC token contract still accepts them.

   1. Approve first: on the old KNC token (KNCL) 0xdd974D5C2e2928deA5F71b9825b8b646686BD200 call approve(spender = 0xdeFA4e8a7bcBA345F687a2f1456F5Edd9CE97202, amount).
   2. Open the KNC contract 0xdeFA4e8a7bcBA345F687a2f1456F5Edd9CE97202 on Etherscan, Write as Proxy tab, and connect your wallet.
   3. Call mintWithOldKnc(amount). It burns your KNCL and mints KNC 1 to 1.

   KNC contract on Etherscan (opens in a new tab)