Bitcoin Forum

I have thousands ETH addresses, with ERC-20 tokens.

I would like to combine those tokens in one address.

Sending them one by one is too much work, and eth gas waste.

Is there a way to collect them using single transaction?

Something like multisend.co but opposite?

Or maybe a wallet that will combine my incoming tokens automatically?

I think there is no way of sending them into one transaction because all the erc20 token has different contract address. You have to do it manually one by one or you can built a script may be which will do the work for you.

That's not possible at the moment. I don't think it would be even possible if those addresses were created from different wallet providers. If they were generated using one wallet provider like MEW for example, you can probably ask them to make it possible in the future.

I haven't heard about such before, the only solution is to start sending the token one after the other, but I'm just curious, why use multiple eth address? Thousands seems way too much, how can you operate all that?

Currently, I don't know of any transaction order that can be executed like that. Each of them need to be mined differently on a different block with different mining fee. Pulling all of them together could be herculean.

You can't do that because when you send tokens you call the smart contract action and this requires a gas (fee), this you have to pay from each address that you are sending away.

It's totally impossible do that from different wallet at once, you do it manually even if it's same smart contract. The only way you can send multiple transactions is if it's from wallet, you can send to multiple wallets, both ETH and ERC-20 tokens.

I think you should lock this thread already. Check the bottom left of this thread page for the button.

I guess it will be possible from official ethereum core wallet, I tired once installing it but it seemed too much of technical then I started using MEW instead of. Even combining multiple etehreum addys for making one transaction out of them, might be requiring some coding knowledge because etherum's core wallet is not with GUI but we need to interact with only through command prompt (I am just talking from what I have seen when I checked last, not sure about the latest updates).

1000 addys? Are you a bounty hunter including air drop participation? For combining your tokens, you might need to spend considerably big money for gas and your time as well. Really lots of hassles.

I have seen some people are helping bounty managers for distributing bounty rewards. Those people may help you in this regard because I heard they are making use of scripts for distributing the bounty rewards. You may move this topic into services board if you are ready to pay to the people who will help you.

The truth is no process to do that and impossible. Those addresses have different location, maybe if its like Bitcoin HD wallet it can, even for token it might be impossible too cause like an airdrop one address can send on different addresses using smart contract configuration but reverting back all those tokens on one address simultaenously cannot.

Can I ask which ethereum wallet is more capable of sending multiple tokens at once. Is there an app that can do that?

Perhaps he gets tokens from aridrop and various bonus programs.
He is most likely an expert in cheating aridrop programs. I have seen a lot of people who own thousands of ETH wallets to be able to participate in various aridrop campaigns.

for now, the facility of combining several ETH wallets into one does not yet exist, and you still have to do it manually one at a time, your ETH time and gas will definitely be drained a lot.
my advice for the future you must focus on one wallet to make transactions

You can import the private keys from all of these addresses into your Ledger wallet, then spend the entire balance of all these at once.

As far as I'm aware, using a Ledger is the only way to do this, but you might also be able to do so on a Trezor wallet.

You'll need Ledger Live installed too I believe.

You need to do them manually, and in addition you need to pay a fee to make transactions. I believe that selling will take a lot of time and money to get this job done