Questions tagged [cross-chain]

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How do cross chain transactions work?

I noticed that USDT is on ETH, TRON, Solana, Algorand etc USDC is on ETH, Solana, Algorand etc BUSD is on ETH and BSC Could somebody explain how this works to me? I understand how a Bitcoin like ...
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Is there a deflationary token deploy same contract from different blockchain network/platform?

is there a deflationary token deploy same contract from different blockchain network/platform? Like you want a deflationary token like safemoon that deployed the same contract on binance smart chain, ...
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Is anyone try to deploy same smart contract on different Chain network like binance smart chain, polygon matic and avalanche?

The scenario is, I want to deploy the same smart contract in binance smart chain to polygon matic and avalanche. Or I want to deploy same contract on different chain network like bsc, matic and avax. ...
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1answer
52 views

How to call a smart contract which is located in BSC from a smart contract in the Ethereum mainnet?

It this possible? How to call a smart contract from a different network? I mean, some cross-chain call. I need a decentralized solution. Chainlink maybe, or something like that?
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Seeking method for validating existence of a contract across EVM compatible chains?

We have a function that checks existence of a contract address as follows: function _assertContractSupportsERC721Interface(address _contract) private view { try IERC721(...
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Is it possible to communicate between ethereum smart contract and binance smart chain contract?

I would like to call a function in the Binance smart chain contract from my ethereum mainnet smart contract is this possible?
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maintaing metadata while ERC721 cross-chain transfer

I want to make any ERC721 token (on any contract) to be transferable from ethereum to MATIC chain (fully compatible with EVM with deployed support contracts on ethereum). So I am doing the following ...
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162 views

What are the available options (March 2021) for bridging tokens across the chains?

Actual problem in mind I would like to release a token for the Island DAO. I'm worried that ETH gas prices are prohibitively expensive - if I use ETH, the smaller guys will not come. But ETH is the ...
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2k views

How to convert my custom ERC20 token to BEP20?

I have my custom token on the Ethereum network and I want to send part of the tokens to the binance smart chain. That is, issue a wrapped token.For example: https://etherscan.io/token/...
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1answer
14 views

Cross chain smartcontract interaction

I'm thinking about a particular use case where a smart contract in a private chain could send txs to the public chain (in my case txs would be functions calls of a smart contract in the public network)...
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What is the duty of a Notary in interaction between chains ? (Updated) [closed]

What is the precise definition of "Notary" entity? Is the definition of "Notary" the same in "interoperability between different blockchains" AND "cross-shard transaction in a shared chain"? Or do we ...
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1answer
359 views

Griefing Attacks: Are they profitable for the attacker?

The following article explains one of the solutions for indirectly validate a block when cross-sharding transaction between two shards to prevent invalid blocks. The article called one of these ...
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The "Fisherman" idea for indirectly determining the validity of the canonical chain?

The following article explains the problem of validating a block in a cross-shard transaction in a sharded chain, along with existing solutions. One of the mentioned solutions is the "Fisherman" idea ...
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Validating cross-shard transaction using Beacon chain snapshots?

According to this article: (Link to article), there are two types of validation for cross-shard transactions: Synchronous and Asynchronous. But the question is that why cannot we use Beacon chain ...
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60 views

Ethereum cross-chain/cross DLT

What functionalities/standards does Ethereum have that can be used in cross-chain or cross-DLT operations? What is the recommended solution when someone need to do an atomic swap? And other cross ...
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446 views

cross-chain atomic swaps for integration between enterprise blockchain solutions (quorum, hyperledger, R3 corda)

Understand that cross-chain atomic swaps is for asset transfer between different cryptos. In a world where there are different enterprise blockchains, cross-chain atomic swaps as a concept/...