Questions tagged [bridge]

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how long takes to pass erc20 token to another chain in stargate

How long takes to pass erc20 token to another chain in stargate on mainnet. example: 1 usdt from bsc to fantom(how long takes to start transaction on destination chain?)
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How exactly does minting of token in bridges work?

I know what bridges are and the problem they solve. The only problem now is I am trying to wrap my head around how they actually do what they do. I found an answer similar to this question here, where ...
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How do I use my erc20 coins on multiple chain?

I am planning to launch my erc20 token as coins so that I can use those for dapps payment. So, my concern is how can I use those coins on dapp that are on different network. Like, if I create my erc20 ...
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Native token Bridge to swap another native token

I have a smart contract on the BSC network that I want to accept other tokens like AVAX, MATIC, ETH, and other EVM compatible tokens. How would one go about letting a user use AVAX but at the end it ...
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Test Multi-chain interactions hardhat tets

Is there a way to spin up two separate local instances and interact with them via hardhat tests? e.g. let token1 = await token.deploy({network:"localhost:8545"}); let token2 = await token....
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How to redeem wormhole's Token Bridge tokens in a destination chain?

I'm trying to integrate wormhole's Token Bridge in my smart-contract. I have a transferTokens function to transfer wrapped UST from Ethereum to get native UST on Terra, but how can I redeem that UST ...
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Sending message/instruction from a governance system on Arbitrum to mint tokens on mainnet using Gnosis Zodiac Bridge

I am working with a DAO that has their governance/voting system on Arbitrum, and their Gnosis Safe treasury wallet on mainnet. The Gnosis Safe on mainnet contains minting keys to mint their native ...
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What is the best and cheapest open source cross chain bridge API?

What is the best and cheapest (for swap process) open source cross chain bridge API with a good documentation? I couldn't find binance bridge's API documention with more explanation than here. And, ...
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How long it takes for a smart contract to be mapped by Polygon Token Mapper?

So, I've created my smart contracts (ERC-1155 with transparent upgradable proxy) both for ethereum and polygon, deployed and verified. Then I use the mapper tool of Polygon for mapping(?). I've been ...
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Sending Polygon tokens to a specific network network without bridging

I purchased some MATIC tokens via Coinbase and sent them to my wallet on the Ethereum network. But I need them to go to the Polygon network. I know that the main way you move funds to another network ...
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How can a token have the same contract address on ERC20 and BEP20

I'm getting into a bit of web3 dev, and I'm having trouble getting a handle on how contracts can be interchangeable between networks. Some tokens create a 'wrapped' version, that is tethered in price ...
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Multichain token: Claim erc20 on L2 requiring balance of erc721 on Mainnet

So, I'm working on an NFT project on mainnet and we want it to have its own currency on L2 so its actually a frictionless currency. We are looking into Arbitrum and Polygon. I've noticed that first ...
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What is a layer-1 and layer-2 bridge?

I understand that Ethereum mainnet is layer-1, and an ERC-20 token like Polygon to be a layer-2. But what is a bridge between these layers? Practically, in code, and financially? Especially interested ...
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How can I determine if a bridge site is legit?

I have seen online tutorials recommend Hop and Polygon bridges for transferring ETH from Polygon network to mainnet. Recently I came across the relatively new Umbria Narni bridge which claims much ...
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How to deploy ERC-20 token on Aurora and bridge it to Ethereum Mainnet?

Can I deploy ERC-20 token on Aurora and bridge it to ETH Mainnet ERC-20 contract? We plan to launch our token as Aurora native ERC-20, but we’ll need to bridge it to Ethereum and NEAR Protocol. Would ...
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Is it possible to upgrade the NFTs to Ethereum Mainnet using Aurora’s Rainbow Bridge? [closed]

For instance, we want to build our Marketplace on the NEAR chain. In Ethereum we can achieve this by an arbitrary Message Bridge (AMB) to relay data between two EVM-based chains. With a classic NFT ...
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Is it possible to map custom smart contracts to Ethereum?

We need snapshots (Snapshots allow to lock user's balances to prevent multiple votes with same tokens https://docs.openzeppelin.com/contracts/3.x/api/token/erc20#ERC20Snapshot) in the token smart ...
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Can I On-Chain Transfer an ERC20 token to an Ethereum Address using Polygon's POS Bridge?

I want to send an ERC20 token from the Polygon blockchain to an address on the Ethereum blockchain. I've read the docs and it seems like the only way to do it is to call the ERC20 withdraw function on ...
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Exit function in POS Bridge go-ethereum

I'm trying to follow the POS bridge steps for transfer an ER20 token from ethereum görli testnet to polygon (mumbai testnet). I've accomplished the approval, deposit and burn steps. Nevertheless, in ...
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3 questions about bridging tokens between Polygon and Ethereum

I have an ERC721 token deployed on Polygon that I want to bridge into Ethereum. I'm having a hard time figuring out how bridges and layer 2 work, so I have a few questions about this workflow. 1 - I ...
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