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Questions tagged [hyperledger-fabric]

Questions related to Hyperledger fabric https://github.com/hyperledger/fabric

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Error: The required parameter 'channelID' is empty. Rerun the command with -C flag

for below command peer chaincode invoke -o localhost:7050 --ordererTLSHostnameOverride orderer.example.com --tls $CORE_PEER_TLS_ENABLED --cafile $ORDERER_CA -C ${CHANNEL_NAME} -n ${CC_NAME} --...
rahul_eth's user avatar
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0 answers
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CBDC Community , Corda r3

i am trying to build a cbdc prototype using corda r3 , is there anyone with knowledge about this project that can help or any recommandations or communities to try to reach to ? maybe corda r3 ...
Youssef's user avatar
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How to join a channel in Hyperledger from another server?

I've deployed a chaincode on my VM i.e 192.168.4.110. Everything is working fine when I test it locally. Now I want my second VM i.e 192.168.4.112 to connect with the above Hyperledger's vm Channel. ...
Hamza Shafeeq's user avatar
0 votes
0 answers
14 views

Help in connecting with Hyperledger fabric network deployed on AWS managed blockchain

I am trying to connect my network created on AWS managed blockchain in my Node JS server. I have the private hyper-ledger fabric network in the AWS managed blockchain. It seems there is no official or ...
talha zubair's user avatar
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0 answers
8 views

Storing CSV dataset in a block/Genesis Block of a Blockchain and using Time-Series prediction

I want to store a CSV dataset in blockchain and apply Time Series Prediction on the basis of the provided dataset. Can we add the predicted value back into the dataset to use it for the next time ...
user127994's user avatar
1 vote
0 answers
7 views

Data is not updating in the chaincode

This is my HTML form <div class="text-center form-container"> <form id="updateForm" action="" name="updateOwner" style="display: none;&...
Jubayer Hossain's user avatar
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0 answers
42 views

Deploy Hyperledger fabric network in multiple machines

I want to deploy a Hyperledger fabric 2.5 network on multiple machines. Are there any useful resources/tutorial that can help me? I tried searching but I only found old tutorials.
jnano's user avatar
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316 views

Error loading shared library ld-linux-x86-64.so.2 when deploying hyperledger fabric chaincode

I am using tensorflow nodejs in a chaincode, the chaincode deploys successfully, but when I try t query it, the following error show up: Error: Error loading shared library ld-linux-x86-64.so.2: No ...
jnano's user avatar
  • 33
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0 answers
12 views

Hyperledger-fabric blockchain with chaincode accessible publicly

I want to create a hyperledger-fabric public chaincode, and I don't know if there is an exact way to do it, the solution I am using is with an express server that will be connected to the fabric ...
jnano's user avatar
  • 33
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49 views

Recommendation for blockchain network selection

Is it a good idea to use fabric for one network, one organization (with multiple users), and storing transactions between those? or should I use a simpler blockchain network? I want the transaction to ...
Aaroosh Pandoh's user avatar
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1 answer
471 views

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 ...
HAMMAD ALI's user avatar
1 vote
0 answers
17 views

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 ...
Navneet Yadav's user avatar
1 vote
0 answers
25 views

Why does fabdep keep asking to open port 111 even if it is open?

Trying to set up a hyperledger fabric blockchain with fabdep but it seems to not work and I'm stuck on an error saying that port 111 is closed and not open. PLAY [127.0.0.1] ***************************...
Ridwan's user avatar
  • 111
1 vote
0 answers
29 views

Transaction in hyperledger Fabric? [closed]

I want to ask how transactions are validated in hyperledger fabric? To explain this I would like to add, as per my understanding, hyperledger fabric is permission project and even only two ...
Abdul basit's user avatar
1 vote
0 answers
42 views

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 ...
Kevin's user avatar
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1 answer
86 views

Can Hyperledger Fabric Blockchain Supports Partial Transaction Encryption?

My use case is that we need to protect only sensitive data in the transaction in blockchain. But we want to open other data in the same transaction to the public, Can Hyperledger Fabric supports the ...
Wilson Wong's user avatar
2 votes
3 answers
4k views

How much does it cost to develop and run dApp on Ethereum or Hyperledger fabric?

When we develop and run a non-decentralized application it causes costs for using cloud server. How much does it cost to develop and run dApp on Ethereum or Hyperledger fabric? Which one is cheaper?
zzinny's user avatar
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0 answers
121 views

Migrating or representing a Microsoft SQL Database on the Chain

I am wondering what is the best way to migrate or represent a massive, 50 table, Medical Health Records SQL Database on the Blockchain. Is it best done with IPFS hash on Ethereum or is Hyperledger a ...
0TTT0's user avatar
  • 672
0 votes
1 answer
144 views

Ethereum fork that implements transaction ordering

Hyperledger fabric has its consensus that contains Transactions endorsement Transactions ordering Transactions committed to a block I wonder if there is an Ethereum consensus or fork that would have ...
David's user avatar
  • 65
0 votes
2 answers
400 views

Is there any tool for Ethereum which can convert smart contract into REST API similar to hyperledger fabric?

In Hyperledger Fabric, REST API can be created for chain code/smart contract using composer-rest-server. Is there any tool which can do the same for Ethereum Smart Contract? So that any front ...
Shubham Chadokar's user avatar
3 votes
2 answers
116 views

Dual blockchain

Could anybody please help me to understand how dual blockchains work? There are many Dapps which are built on dual blockchains, especially using the combination of Ethereum and Hyperledger. But I am ...
Siddharth Manda's user avatar
1 vote
0 answers
617 views

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 ...
Hamza Yasin's user avatar
2 votes
0 answers
612 views

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 ...
Rajkumar Tiwari's user avatar
3 votes
1 answer
10k views

Hyperledger Vs Ethereum for supply chain management? [closed]

Which is the best blockchain development platform (Hyperledger/Ethereum) for supply chain management?
Yogendra Gupta's user avatar
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? ...
eth's user avatar
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