Most voted questions in Blockchain

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2 answers

How can I make transactions to a blockchain from a remote device(like a cell phone)?

You can do this by developing a ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,447 views
0 votes
1 answer

How to plug MSP,Consensus, Ordering service in Hyperledger Fabric?

To plug in MSP: Implement your own MSP ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,646 views
0 votes
1 answer

Getting world state by value

Worldstate level storage works at the {key,value} ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points • 1,106 views
0 votes
1 answer

How to efficiently hash (SHA 256) in golang data where only the last few bytes changes

You can try the following examples on ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points • 5,990 views
0 votes
1 answer

Hyperledger Fabric: "No go in PATH" error.

The error is because the go path ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,860 views
0 votes
1 answer

Can't install remote HTTP chaincode

Fabric 1.0 does not support remote paths ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,184 views
0 votes
1 answer

Can't import "blockchain.info" to Node.js.. Need help.

Aurelia is a client-side framework and blockchain ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,478 views
0 votes
1 answer

How to fix "failed to execute script docker compose" error on windows 7?

It seems like the container is not ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 23,337 views
0 votes
1 answer

How can I create a blockchain for keeping records?

​You can use an already existing Blockchain. ...READ MORE

Jun 27, 2018 in Blockchain by Christine
 • 15,750 points • 1,315 views
0 votes
1 answer

How to search inside List for a specific value?

You can amend your ORM wrapper such that ...READ MORE

Jun 27, 2018 in Blockchain by Christine
 • 15,750 points • 1,288 views
0 votes
1 answer

How to use Blockchain to store records and secure transactions between government and users and also between 2 users?

As I understood you are planning to ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points • 924 views
0 votes
1 answer

Issue to run curl command in windows 7 Docker Quickstart Terminal

Actually, the issue is more likely that ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points • 1,281 views
0 votes
1 answer

Ethereum Token Nam Redundancy

From my experience no, the trick is ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points
edited Nov 13, 2024 by Khan Sarfaraz • 807 views
0 votes
1 answer

Where can I find the reference format for crypto-config.yaml and configtx.yaml Hyperledger Fabric files?

The sample config files in the Hyperledger ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points • 1,764 views
0 votes
1 answer

How do I implement Blockchain in my project

It depends on the objective of the ...READ MORE

Jun 27, 2018 in Blockchain by Shashank
 • 10,400 points • 1,282 views
0 votes
1 answer

What path should I give for credentials in web3j?

WalletUtils.loadCredentials can be buggy, I would recommend ...READ MORE

Jun 27, 2018 in Blockchain by Shashank
 • 10,400 points • 1,282 views
0 votes
1 answer

Error while running make command using Fabric 1.0.6

It's a known issue in go 1.9.4: https://github.com/golang/go/issues/23739 While ...READ MORE

Jun 27, 2018 in Blockchain by Perry
 • 17,100 points • 1,543 views
0 votes
1 answer

How to retrieve data from a block to a blockchain?

web3.eth.getTransaction(txHash) will returns transaction details like blockHash, transactionIndex, ...READ MORE

Jun 27, 2018 in Blockchain by Perry
 • 17,100 points • 4,419 views
0 votes
1 answer

How to create tokens in smart contracts from node.js?

Any modification to the Ethereum Blockchain will ...READ MORE

Jun 27, 2018 in Blockchain by Shashank
 • 10,400 points • 2,098 views
0 votes
1 answer

Permisssible platform suitable for C

There are many implementations of Blockchain like ...READ MORE

Jun 27, 2018 in Blockchain by Shashank
 • 10,400 points • 931 views
0 votes
1 answer

Changing block time on Quorum.

They are two commands you can use ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 1,417 views
0 votes
1 answer

How should I set my mac for Installing Hyperledger Composer Playground?

Use the following link to install the ...READ MORE

Jun 27, 2018 in Blockchain by Perry
 • 17,100 points • 806 views
0 votes
1 answer

How many people are mining bitcoins all over the world?

No, it's not possible to find out ...READ MORE

Jun 26, 2018 in Blockchain by Omkar
 • 69,180 points • 1,725 views
0 votes
1 answer

I wish to know about the data storage in blockchain

That string would be stored in the ...READ MORE

Jun 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 979 views
0 votes
1 answer

In hyperledger, how many number of ordering node can take up a transaction?

There are two types to implement ordering: 1. ...READ MORE

Jun 25, 2018 in Blockchain by Omkar
 • 69,180 points
edited Jun 28, 2018 by Omkar • 1,768 views
0 votes
1 answer

Windows not able to recognize Monax command

You probably know this already but support ...READ MORE

Jun 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,287 views
0 votes
1 answer

Error: t: Instance org.acme.seller.Car#HW7722 missing required field oldOwner

This error occurs if you have added a ...READ MORE

Jun 21, 2018 in Blockchain by Christine
 • 15,750 points
edited Jun 21, 2018 by Christine • 1,776 views
0 votes
1 answer

Error: Tendermint node crash

It's very simple. Just type in the ...READ MORE

Jun 21, 2018 in Blockchain by Christine
 • 15,750 points • 1,215 views
0 votes
1 answer

Hyperledger : Deploying chaincode successful. But, cannot query - says ResourceNotFound

The problem(from logging) is dial unix /var/run/docker.sock: connect: ...READ MORE

Jun 21, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,353 views
0 votes
1 answer

Not able to use IBM Blockchain services after Bluemix 1.0 update (Hyperledger 0.6)

The bluemix service was using an older ...READ MORE

Jun 21, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,116 views
0 votes
1 answer

How can I build a network map cluster in Corda?

Corda community is working to move towards ...READ MORE

Jun 20, 2018 in Blockchain by aryya
 • 7,460 points • 1,140 views
0 votes
1 answer

How to make my Dapp work on regular browsers?

There are ethereum supporting browsers like Metamask, ...READ MORE

Jun 20, 2018 in Blockchain by aryya
 • 7,460 points • 990 views
0 votes
1 answer

In IBM's Marble demo where are the transactions stored?

When using the Marbles tutorial, there is ...READ MORE

Jun 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,397 views
0 votes
1 answer

jQuery/ajax - two separate API requests with combined results

You can move the second ajax call ...READ MORE

Jun 19, 2018 in Blockchain by aryya
 • 7,460 points • 2,365 views
0 votes
1 answer

Web3j v3.3.1 : Error while generating compiled solidity smart contracts which returns array of struct

Solidity does not support returning structs in ...READ MORE

Jun 19, 2018 in Blockchain by aryya
 • 7,460 points • 2,011 views
0 votes
1 answer

Can we protect a Private Blockchain with a Public Blockchain and how?

I have recently reviewed Exonum framework  and ...READ MORE

Jun 19, 2018 in Blockchain by Perry
 • 17,100 points • 1,043 views
0 votes
1 answer

Çannot implement web3.eth.subscribe on Web3 version 1.0.0-beta.27

As the error suggests, pub/sub is not ...READ MORE

Jun 19, 2018 in Blockchain by Perry
 • 17,100 points
edited Jun 19, 2018 by Perry • 2,440 views
0 votes
1 answer

NPM Error While Installing Lisk Dependencies

Meet the lib sodium fails. You're using node ...READ MORE

Jun 19, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,001 views
0 votes
1 answer

Blockchain Usecase - Personal Management Records

1. Channels is a mechanism by which ...READ MORE

Jun 18, 2018 in Blockchain by Christine
 • 15,750 points • 1,203 views
0 votes
1 answer

"Blocking waiting for file lock on the registry index"

Use the following command: rm -rf ~/.cargo/registry/index/* Or you ...READ MORE

Jun 18, 2018 in Blockchain by Christine
 • 15,750 points • 1,752 views
0 votes
1 answer

How to enable authentication in hyperledger Angular application

Try npm install -g passport-github READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,801 views
0 votes
1 answer

Sawtooth Invalid Batch or Signature

The problem is in setting the batch ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,406 views
0 votes
1 answer

Web3j Transfer.sendFunds() returns Error “insufficient funds for gas * price + value”

DISCLAIMER. This may not necessarily be an answer to your ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 3,525 views
0 votes
1 answer

How one can implement blockchain for android development??

Essentially you need to understand what is ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,075 views
0 votes
1 answer

Not Able to register a user with Hyperledger-Fabric v1.1 preview

The error: "Certificate not found with AKI 'e729224e8b3f31784c8a93c5b8ef6f4c1c91d9e6e577c45c33163609fe40011' ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,333 views
0 votes
1 answer

I need all Ethereum smart contracts

Have a look at EIP165. It allows you ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 882 views
0 votes
1 answer

How to store picture(s) in a hyperledger blockchain channel

You can hold images as encrypted characters ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,715 views
0 votes
1 answer

Deploy API REST IBM Hyperledger Composer Blockchain (bad flag in substitute command: 'U' ERROR)

There is an error in that document. ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,046 views
0 votes
1 answer

I get the following error when I try to submit a transaction on the hyperleger playground

not enough information as to how you ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,199 views
0 votes
1 answer

Does each DApp has its own separate Blockchain? Or can we develop multiple DApps on a single Blockchain platform?

A DApp is a decentralized Application. This ...READ MORE

Jun 11, 2018 in Blockchain by Christine
 • 15,750 points • 1,689 views
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