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Questions tagged [blockchain-interoperation]

Questions about Ethereum public, private, development and test networks, blockchains, and smart contracts interoperating and communicating with each other or other blockchains.

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Sending Ether between two separate ethereum blockchain [duplicate]

is there any possible way to send ether (preferably other cryptos too) between two separate ethereum (also any other blockchains) blockchains ? also is HTLC support is needed for this to be achieved?.....
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0answers
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simulation or performance evaluation with Ethereum testnet

I was if you could help me about simulation. How can I simulate the performance of my following IoT-based Application with Ethereum testnet? In my senario,there are some nodes that store sensor data ...
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0answers
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Question about incorruptibility as a sidechain directly to plasma chain

Hi there I was wondering 2 things. In order for a plasma chain to work on an asset do you need a corrosponding ERC20/ERC721 token on the ethereum mainchain first? I am thinking of using BTCRelay type ...
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0answers
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Federated Decentralized Identities Across multiple public blockchains (bitcoin, ethereum, etc) through interledger

are Federated Decentralized Identities across multiple public blockchains (bitcoin, ethereum, etc) through interledger possible? I.e., ones identity can be synced across different blockchains This ...
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1answer
46 views

How to migrate ethereum based crypto currency to other (possibly own) blockchain?

I've read on certain occasions that some crypto currencies first started off on top of one blockchain and then at some point were migrated to a different or own ecosystem. How does this process work, ...
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2answers
136 views

Smart contract interaction (with another contract) example for solidity version 0.4.24 that works on Remix

I was going through this code and I decided to test it on RemixIDE... Creating a function that calls another contract I kept getting "VM Exception while processing transaction: revert" when I ran a ...
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2answers
159 views

Interoperability between Ethereum's Public Blockchain and Quorum's Private Permissioned Blokchain Network

Scenario: I am trying to set two blockchain networks on a platform: Ethereum's Public Blockchain Network: For payment system in the form of ERC20 Tokens and Cryptocurrencies. Quorum's Private ...
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1answer
23 views

Integrating Ethereum with other systems (permissioned/permissionless)

If I would like to integrate Ethereum with other systems - permissioned or permissionless, how does one do that? for example, if I would like Ethereum to talk to Hyperledger or R3 Cordo as an example, ...
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1answer
69 views

R3 Corda Integration/interoperability with Quorum — other than JSON RPC

Am looking to integrate/interoperate Quorum with R3 Corda in a way that achieves atomicity e.g. 2 phase commit. Understand that interledger focuses on interoperability and that could be a possibility....
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0answers
22 views

Can Ethereum blockchain and Bitcoin blockchain integrate with each other thus creating some sort of intermesh of networks?

Can Ethereum blockchain and Bitcoin blockchain integrate/interoperate with each other thus creating some sort of intermesh of blockchain networks thus increasing reliability? (Chain of Chains, ...
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1answer
353 views

Creating a financially feasible Land Title blockchain [closed]

The Project: A block of land, subdivided into several hundred thousand parcels that needs publicly verifiable tracking of current ownership. While I do have a particular project I'm working with, I ...
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1answer
291 views

Is it possible to convert ERC20/223 tokens to “coins” on another blockchain autonomously, securely and scalably?

Assume the following: ERC20/223 tokens were sold to fund the creation of a new block chain based network. The new network is now fully operational, and token holders can "convert" tokens into "coins" ...
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2answers
743 views

How do I connect a blockchain system to a cloud database

I am very new to blockchain, so I just wanted to get some preliminary answers and clarity. So currently we have a cloud database to manage certain documents (which contains sensitive information). ...
5
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1answer
316 views

Can you interact with other blockchains' tokens by using an Ethereum smart-contract?

Let's say that a dev has a public and private key of an address on another blockchain. He wants to create a smart-contract that can interacts with these coins, for moving them, for selling them, etc. ...
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1answer
129 views

What tools are available or being developed for cross-chain operations? [closed]

Are there any headways being made for BTC, ETH, other blockchains cross-talk?
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2answers
1k views

Can oracles send data to smart contracts on multiple blockchains?

Can oracle implementations like Oraclize and Reality Keys work with two different blockchains? More precisely, if I have a custom data source and my own oracle running on top of it, can that oracle ...
2
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1answer
119 views

Why Ethereum can't talk to other blockchains?

I've heard that Ethereum can't talk to other blockchains (if I understand it correctly). What does it mean and what is the reason behind this?
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3answers
1k views

Will Ethereum Smart Contracts also work on Tendermint?

I recently read about Tendermint releasing it's own public blockchain soon. After crossreading their blog, I see multiple mentions of the EVM. Does Tendermint implement the Ethereum Virtual Machine?...
6
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1answer
164 views

Can main and test net interact?

is there direct way to make a contract on either the main or test net to communicate with a contract on the other net? This could be generalized as asking if a contract on private chain can ...
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3answers
3k views

How can I accept Bitcoin payment in a smart contract? What would be the code for that?

I will create my personal token and I would like to be able to sell it for ETH and BTC. I know how to add the sell function for ETH, but how can I sell the tokens for BTC? The ETH sell function I ...
39
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3answers
21k views

What is a sidechain?

The Ethereum subreddit has this post related to an Ethereum-Dogecoin sidechain. What is a sidechain? Could one sidechain be a private Ethereum network?