Questions tagged [hyperledger]

Questions related to the Hyperledger Project https://hyperledger.org

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Is Hyperledger possible on Ethereum network?

I was reading about Hyperledger and found out that you can have private network in the block chain. Is it possible to have private network on Ethereum? If it is, how the states and ledgers are ...
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How to increase OPCODE gas Price in Hyperledger Besu

I want to setup Private POA blockchain using hyperledger besu. I dont want people to deploy smart contract on the chain. I searched on google and found it some alternative solution to increase create ...
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Setting Up Hyperledger Caliper

I'm setting up Hyperledger Caliper and using it to test the sample repo. While performing this: npx caliper launch manager --caliper-workspace . --caliper-benchconfig benchmarks/scenario/simple/config....
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Where to start performance evaluation of Ethereum Dapp

I've been researching on the performance evaluation of DApps in general and found that Hyperledger Caliper is used as a benchmarking tool. I also saw that it can be used not only in Hyperledger ...
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Deploy SmartContract to local Hyperledger-Besu network using Brownie

EDIT: In short, I want to use Brownie to deploy smartContracts to HyperLedger-Besu network on my local machine. For some reason, it doesn't work, so I wanted to ask if anyone here had experience with ...
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Stable release of Hyperledger Besu won't compile

I cloned a fresh copy of Hyperledger Besu from the GitHub repo and when I opened it in Eclipse, it said that there are 148 errors and that the project won't compile. It also said that there are 108 ...
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interact with smart contracts in hyperledger besu from C++ dapp

I am trying to interact with smart contracts deployed in private network on Hyperledger Besu. it appears that Besu only supports web3 library in javascript and java. is there a way to intact with ...
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Hyperledger Besu for creating accounts

I am able to setup hyperledger besu for creating private ethereum network(followed the official documents with 3 testing accounts in gnesis file) and able to connect to metamask as well. But its not ...
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What is the best version of Hyperledger to use with Ethereum

We are considering the use of Hyperledger but not sure which "version" to use. We are considering either Fabric or Besu, depending on which solution will give us the most robust ...
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EthSigner "Chain ID not supported" using Besu node on Rinkeyby

I am attempting to use EthSigner to sign and send transactions to Besu running on Rinkeby. EthSigner is running in a docker container and Besu is running locally using besu --network=rinkeby --rpc-...
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Error: Returned error: The method eth_sendTransaction is not supported. Use eth_sendRawTransaction to send a signed transaction to Besu

I'm using a private network for deploying smart contracts and i want to interact with the deployed contracts that i have. Soo im trying with this smart contract // SPDX-License-Identifier: MIT ...
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Caliper Integration with local ethereum network giving json path error

I am using hyperledger-caliper for the benchmarking of my private ethereum network. I followed their official source for the setting it up and get into work with ethereum. But I'm getting error shown ...
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How to disable deployment of smart contracts on besu private network?

Is there any way to disable creation of smart contracts on Hyperledger Besu Private Network for addresses except those that I specify? I want to create private network with zero gas fee, but no one ...
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How to add JWT token in JsonRpcProvider url header when connecting to JWT enabled network?

When connecting to Besu network which enables JWT public key authentication, how to add the token to the JsonRpcProvider (ethers 5.0.8)? Here is the current code (before adding JWT token): let ...
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Regarding orderer container [closed]

I am trying to setup multi channel network, every thing was working fine except my Orderer was getting exited immediately. As there is no Orderer I could not proceed further. My setup consists of 3 ...
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1 answer
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Failed to extract secret from Hashicorp vault production mode - EthSigner - Hashicorp Vault

Working in hashicorp vault dev mode everything works fine but when I use a hashicor vault in production mode I am not able to connect ethsigner. However, i have been checkin if I can extract the ...
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We need separate hyperledger stack exchange! [closed]

What do you guys say? I think we need a new community so that we don't mix hyperledger and ethereum questions.
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1 answer
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How can I implement a custom blockchain?

I am doing a research project which requires me to implement a blockchain with pBFT consensus algorithm. The blockchain would be very simple - A client should be able to send 2 values, the validators ...
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How to Setup a Private Network in Hyperledger Besu?

I am looking for steps to configure hyperledger besu client for a private network of say 5 nodes.
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Scaling Solutions For Hyperledger Besu? [duplicate]

Plasma is a layer-2 scaling solution but it seems to be not very effective , are there any other ethereum scalability solutions that are efficient and can be applied to enterprise use cases alongside ...
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Hyperledger REST API roadmap [closed]

With Hyperledger composer deprecated and fabric-rest-api (https://github.com/hyperledger-archives/fabric-sdk-rest) archived, what is the future roadmap of REST API for Hyperledger fabric? What is ...
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What are the differences between Hyperledger Burrow and Ethereum?

What are the main differences for these two platforms (I know that Burrow runs EVM style smart contracts in a permissioned environment. Does that mean Burrow supports all the different smart contract ...
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1 answer
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What are the differences between Monax/Hyperledger Burrow and Quorum?

Are there any significant differences between these protocols? Thank you for answering.
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Data availability in Ethereum/Hyperledger-fabric (Blockchain)

I have a use-case like there is an admin who creates application and invites several user to use that application. Now, i need to audit trail over the activities done by the user. Users no need to ...
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3 votes
1 answer
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ERC725 and ERC735 vs Hyperledger Indy (decentralized identity/self-sovereign identity)

Which is the better platform for decentralized identity, ERC725 and ERC735 or Hyperledger Indy? Thinking from a performance perspective, Indy would probably shine. However, what about the other ...
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how to reach consensus berween only 2 peers?

Can consensus take place between only 2 peers? Scenario: I am a patient who is visiting a doctor and all the communication/transaction between the both of us happen via a blockchain based app. So ...
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what is the transaction per second of hyperledger fabric with Kafka [closed]

I want to know that how much transactions can be take place in one second over hyperledger fabric with Kafka protocol. I'm actually creating a network, as such project size is not as much big but if ...
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2 votes
1 answer
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Difference between ethereum blockchain and Hyperledger blockchian

I have found the answers for this question, but still not getting proper answers, that's why I am posting it here for going into dive deeper. I just came to know that Hyperledger in permissioned ...
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7 votes
2 answers
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Hyperledger Consensus protocol. [closed]

I'm soo deep inside the consensus protocols like PoW, PoS, PoA or other variants used on permissioned/private blockchains such as JPMorgan's Quorum (Based on Raft), Istambul etc.. But I've not ...
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Why don't private blockchain networks that do not charge for transactions charge a fee when processing ethereum/ proprietary token on the network?

I ask this questions is there seem to be 2 flavors of blockchain: 1. Public think bitcoin and ethereum. 2. Private hyperledger, SAP Leonaro, etc. The public network charges for transactions which make ...
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1 vote
2 answers
245 views

What data should be stored in contracts or tokens

After watching a sales force movie where they have a session on how they are integrating their product into the blockchain they talk of an example on capturing all the data from the supply chain ...
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2 votes
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Hyperledger Fabric and Ethereum Blockchain Integration

How can I connect Hyperledger Fabric to the ethereum blockchain so as to make payments. I am recording the number of tokens to be alloted in the hyperledger system I want to access the data and then ...
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3 votes
1 answer
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Hyperledger Vs Ethereum for supply chain management? [closed]

Which is the best blockchain development platform (Hyperledger/Ethereum) for supply chain management?
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4 votes
4 answers
2k views

DApps with fiat currency?

Is it possible to build DApp which can accept Fiat currency? Because for an existing business to move to blockchain, the existing users should be able to transition to DApp seamlessly. I would like to ...
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1 vote
4 answers
3k views

How do you start learning about blockchain programming? [closed]

I am new to this technology. I have worked with C#,Javascript and JQuery to build web applications. I have been reading about how to start building DApps and there is so much data about Ethereum, ...
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Is it possible to migrate your db(users login credentials) to ethereum private network?

I am thinking of migrating db to any of blockchain technologies for security purposes. I have to opt from hyperledger or ethereum private network. Is it good idea or any trades off I should be aware ...
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1 vote
4 answers
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What purpose has blockchain in this use case? - tracking seafood

I'm a newbie in the blockchain world. I watched this example: https://www.hyperledger.org/projects/sawtooth/seafood-case-study And I wonder why I need blockchain to this? What purpose has blockchain ...
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Is Etherum or Hyperledger be helpful for Money Lending business without Miners reward without using Cryptocurrency?

If I have to implement something like Money Lending Business on a Private - Enterprise level in India provided the facts that - I don't want to reward the miners as it's a private network. I want to ...
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19 votes
2 answers
4k views

What advantages and disadvantages does Open Blockchain / Hyperledger / Fabric have over Ethereum?

Similar to this question about Ethereum and Bitcoin: What advantages and disadvantages does Open Blockchain (OBC) have over Ethereum? What can you do with OBC that you simply cannot with Ethereum? ...
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