Latest questions in Blockchain

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How to increase speed of block generation in Multichain?

It could be because of the script ...READ MORE

Mar 1, 2019 in Blockchain by Omkar
• 69,230 points
757 views
0 votes
1 answer

How to run multichain with no permissions?

Multichain by default runs on multichain protocol. ...READ MORE

Mar 1, 2019 in Blockchain by Omkar
• 69,230 points
382 views
0 votes
1 answer

Installing Multichain on Linux

To install Multichain in Linux, you first ...READ MORE

Mar 1, 2019 in Blockchain by Joshi
1,087 views
+1 vote
0 answers

cryptogen: error: open ./crypto-config.yaml: The system cannot find the file specified [closed]

I created a generate.sh to generate crypto ...READ MORE

Mar 1, 2019 in Blockchain by Tharindu
• 170 points

closed Mar 1, 2019 by Tharindu 1,922 views
0 votes
1 answer

How to install Multichain in Windows?

There’s nothing as “installing” multichain in Windows. ...READ MORE

Mar 1, 2019 in Blockchain by Rohit
747 views
+1 vote
1 answer

How to install Hyperledger Composer on Linux?

You need some pre-requisites to install Hyperledger ...READ MORE

Mar 1, 2019 in Blockchain by Avanti
1,909 views
0 votes
1 answer

How to install Ganache in Windows?

First, we need to install nodejs. Go ...READ MORE

Feb 28, 2019 in Blockchain by Rishi
15,704 views
0 votes
1 answer

Installing Ethereum on Windows

You can install Ethereum on windows using ...READ MORE

Feb 28, 2019 in Blockchain by Raman
1,046 views
0 votes
1 answer

Install testrpc on Windows

You can not directly install testrpc on ...READ MORE

Feb 28, 2019 in Blockchain by Piyush
2,809 views
0 votes
1 answer

How to install Ethereum on Windows?

Download geth installer from https://geth.ethereum.org/downloads/ After download, run ...READ MORE

Feb 28, 2019 in Blockchain by Raj
3,065 views
0 votes
1 answer

Install testrpc on Linux

You can install testrpc using npm $ npm install ...READ MORE

Feb 28, 2019 in Blockchain by Chandu
850 views
0 votes
1 answer

Installing Solidity on Linux

You can install Solidity Compiler on Linux ...READ MORE

Feb 28, 2019 in Blockchain by Reshma
2,864 views
0 votes
1 answer

How to install Drizzle on Linux?

You can install drizzle on windows using ...READ MORE

Feb 28, 2019 in Blockchain by Raj
549 views
0 votes
2 answers

How to install Ganache on Linux?

For linux you first need to download ...READ MORE

Jun 3, 2019 in Blockchain by Tushar
• 190 points
21,845 views
0 votes
1 answer

How to install metamask?

MetaMask is a browser plugin, you install ...READ MORE

Feb 28, 2019 in Blockchain by Lakhan
2,040 views
0 votes
1 answer

How to install truffle on Linux?

You can install Truffle using npm(node package manager). ...READ MORE

Feb 28, 2019 in Blockchain by Rishab
4,722 views
0 votes
1 answer

How to install Ethereum Blockchain on Linux?

To install Ethereum on Linux, open the ...READ MORE

Feb 28, 2019 in Blockchain by Kruti
1,896 views
0 votes
0 answers

Cannot create genesis block?

When I try to create a genesis block ...READ MORE

Feb 27, 2019 in Blockchain by Tharindu
• 170 points

edited Feb 28, 2019 by Omkar 1,749 views
0 votes
0 answers

Cannot create crypto materiel with cryptogen command?

When I am creating crypto-materiel with cryptogen ...READ MORE

Feb 26, 2019 in Blockchain by Tharindu
• 170 points
1,395 views
0 votes
0 answers

Hyperledger Fabric: Errors in Deliver and Broadcast services

Hello, I have create successfully a multi-org, ...READ MORE

Feb 22, 2019 in Blockchain by Cha
2,035 views
0 votes
1 answer

Geth command getting stuck

Creating new account should not take more ...READ MORE

Feb 15, 2019 in Blockchain by Raj
676 views
0 votes
1 answer

Security threat principles for Blockchain

These are some steps to prevent/eliminate security threats ...READ MORE

Feb 13, 2019 in Blockchain by Omkar
• 69,230 points
1,094 views
0 votes
1 answer

What is 51% attack in Blockchain?

51% Attack is a situation where a group ...READ MORE

Feb 13, 2019 in Blockchain by Omkar
• 69,230 points
698 views
0 votes
1 answer

Why is off-chain transaction used?

Though on-chain transactions secure data, off-chain transactions ...READ MORE

Feb 13, 2019 in Blockchain by Omkar
• 69,230 points
367 views
0 votes
1 answer

What are off-chain transactions?

An off-chain transaction is the movement of ...READ MORE

Feb 13, 2019 in Blockchain by Omkar
• 69,230 points
1,276 views
0 votes
1 answer

Blockchain secret sharing

Blockchain has many methods to provide data ...READ MORE

Feb 12, 2019 in Blockchain by Omkar
• 69,230 points
1,125 views
0 votes
1 answer

Use of Blind Signature

Bling Signature is a form of digital signature in ...READ MORE

Feb 12, 2019 in Blockchain by Omkar
• 69,230 points
747 views
0 votes
1 answer

Not able to install ganache

There is an alternative method. You can ...READ MORE

Feb 8, 2019 in Blockchain by Omkar
• 69,230 points
2,291 views
0 votes
1 answer

Not able to set up the testrpc or geth client on ubuntu

The commands you have used installs Ethereum ...READ MORE

Feb 8, 2019 in Blockchain by Omkar
• 69,230 points
616 views
0 votes
2 answers

Truffle compile/migrate not working

In my case, use sudo command. truffle compile ...READ MORE

Feb 20, 2019 in Blockchain by byoul
2,578 views
0 votes
0 answers

How can we write business data inside chaincode hyperleger fabric sdk java?

Feb 5, 2019 in Blockchain by Alam

recategorized Feb 5, 2019 by Vardhan 545 views
0 votes
1 answer

How to select a single account in Ganache?

When you use web3, selecting a single ...READ MORE

Feb 5, 2019 in Blockchain by Omkar
• 69,230 points
1,610 views
0 votes
1 answer

How will I know the result of Fabric Transaction from application client?

When a transaction happens, a proposal response ...READ MORE

Feb 5, 2019 in Blockchain by Omkar
• 69,230 points
603 views
0 votes
1 answer

Does Hyperledger support Smart Contract like Ethereum?

Yes, but not exactly true. Ethereum uses ...READ MORE

Feb 4, 2019 in Blockchain by Omkar
• 69,230 points
748 views
0 votes
1 answer

Do the orderers see the transaction data in Hyperledger Fabric?

No, the orderers do not see the ...READ MORE

Feb 4, 2019 in Blockchain by Omkar
• 69,230 points
952 views
+1 vote
4 answers

Uncaught Error: Returned values aren't valid, did it run Out of Gas?

Could be due to previously set values. ...READ MORE

Jan 31, 2019 in Blockchain by Omkar
• 69,230 points
7,849 views
0 votes
1 answer

How to ensure data privacy in Hyperledger Fabric?

There are different ways data privacy in ...READ MORE

Jan 31, 2019 in Blockchain by Omkar
• 69,230 points
1,557 views
0 votes
1 answer

Does a hyperledger fabric application client need to connect to all peers?

No, it is not necessary to connect ...READ MORE

Jan 31, 2019 in Blockchain by Omkar
• 69,230 points
1,160 views
0 votes
1 answer

How many peers in fabric network need to endorse a transaction?

The number of peers required to endorse ...READ MORE

Jan 31, 2019 in Blockchain by Omkar
• 69,230 points
1,952 views
0 votes
0 answers

Cannot read property 'curve' of undefined, while running hyperledger fabric project.

Cannot read property 'curve' of undefined ...READ MORE

Jan 30, 2019 in Blockchain by shraddha
1,346 views
0 votes
1 answer

Truffle deployer is not working

If you have deployed it before, then ...READ MORE

Jan 29, 2019 in Blockchain by Omkar
• 69,230 points
1,162 views
0 votes
1 answer

Cannot read property 'getBlock' of undefined

getBlock is used by web3 and to use it, ...READ MORE

Jan 29, 2019 in Blockchain by Omkar
• 69,230 points
1,361 views
0 votes
1 answer

Not able to install truffle

This error occurs when there are permission ...READ MORE

Jan 29, 2019 in Blockchain by Omkar
• 69,230 points
1,894 views
0 votes
1 answer

program can't start because cudart64_70.dll is missing

You might have missed out installing the ...READ MORE

Jan 29, 2019 in Blockchain by Omkar
• 69,230 points
862 views
0 votes
1 answer

Truffle does not open console, instead opens truffle.js file

When running truffle commands on Windows system, ...READ MORE

Jan 29, 2019 in Blockchain by Omkar
• 69,230 points
800 views
0 votes
2 answers

Truffle console error: Could not find suitable configuration file

First, initialize truffle project by running: $ truffle ...READ MORE

Feb 19, 2019 in Blockchain by John
13,420 views
0 votes
1 answer

Private ethereum network account balance is zero

There are two reasons due to which ...READ MORE

Jan 28, 2019 in Blockchain by Omkar
• 69,230 points
1,778 views
0 votes
1 answer

Not able to connect nodes on Ethereum Private Network using bootnodes.

If you have created the private network ...READ MORE

Jan 27, 2019 in Blockchain by Omkar
• 69,230 points
1,734 views
0 votes
1 answer

Geth console can’t access smart contract

You are running commands using an object ...READ MORE

Jan 27, 2019 in Blockchain by Omkar
• 69,230 points
909 views
0 votes
1 answer

Ethereum transaction not getting Updated

You have done everything right except for ...READ MORE

Jan 27, 2019 in Blockchain by Omkar
• 69,230 points
729 views