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So, the question is, does actually exist a program that can wrap a token present on the BSC to make it run on the Ethereum chain (to make it simple, a BSC ---> ETH-chain wrap)?


Because I only find programs that do the opposite thing, wrap an Ethereum based token in order to make it fit on the BSC, for example, the wrapper present on TomoChain.

It doesn't exist. As far as i know that you can create yourself but the problem is if you must also create a bridge for your token and then you can try to create two contracts, 1 for ethereum and 1 for BSC.



it seems like that is the only way to fork the bridging code and then create your own bridge. I have rarely seen such service in BSC chain. The only problem, if it's, must integrate both of your contracts to be able to bridge your assets from both of chains. Is not it better for you to get service from freelance developers to create a bridge for you?

I'm not sure if I understand what you mean, but from what I can see, this guys proposes service of tokens creation (both ERC20 and BEP20). If this is not the service you are looking for, I think you can contact them directly with your question:

https://bitcointalk.org/index.php?topic=5286675.0

To wrap a token requires the development of a bridge by the token developer itself. It is like an extension module of a token. If the developer does not develop that functionality, there is no chance to transfer the token wrap to another blockchain.

The question by PercT4b may be a bit unclear but I think he is just simply referring to converting bep20 tokens to erc20 tokens. The Binance bridge allows that and you can do it at https://www.binance.org/en/bridge The process is pretty straight forward but there are also user guides in case you're not familiar with the process.

I have not seen a ready-made solution, but you can cooperate with projects such as celer.
https://cbridge.celer.network/#
Here you can transfer tokens between different Ethereum Level 2 solutions as well as so-called Ethereum "Killers".
But I think you do not need to build a bridge with Ethereum, because even with small commissions this service is not cheap, it is better to use L2 solutions.

To wrap a token requires the development of a path path by the token developer itself. If the developer doesn't develop that functionality, there is no opportunity to transfer the token wrapper to another blockchain.

If converting erc20 tokens to bep20 then it is possible in some platforms like binance but to wrap token is I don't really know if there is am existing sidechain for that. For tokens like that, yes there is some that exist. One is the weth in ronin blockchain and you know what is the other one and that is ETH. Sidechain is how it would happen.

Binance bridge service was only working for coins that listed on binance, it's not provided for coins that didn't listed on binance exchange site. OP needs to create something similar like binance bridge that let people to convert their BSC asset to ethereum. He has no choice other than build his own platform or he will never able to make a service that suit his idea.
A public bridge chain service didn't exist. OP may find that in another chain but that's not a popular chain like BSC and ethereum. The conversion must be vice versa.

It's not possible doing conversion on binance platform. You must check binance bridge for the more information as this is not public bridge that can be used like pancake swap.

The process that you have described is called bridge transfer. Bridges provide us with the opportunity to transfer tokens from one chain to another, but they don’t physically move, they are just locked on one network and certificates on a target chain appear. There are bridges between BSC-Ethereum as well, you can check binance’s official web-site for this purpose.