Trending questions in Blockchain

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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 in Blockchain by Tharindu
• 160 points

closed Mar 1 by Tharindu 148 views
0 votes
1 answer

Installing Multichain on Linux

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

Mar 1 in Blockchain by Joshi
69 views
0 votes
1 answer

Install testrpc on Windows

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

Feb 28 in Blockchain by Piyush
99 views
0 votes
1 answer

How to install Ethereum Blockchain on Linux?

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

Feb 28 in Blockchain by Kruti
91 views
0 votes
1 answer

Different ways of using multichain runtime parameters

There are two more ways of using ...READ MORE

Mar 1 in Blockchain by Omkar
• 67,600 points
39 views
0 votes
1 answer

How to install Multichain in Windows?

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

Mar 1 in Blockchain by Rohit
43 views
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1 answer

How to make any node connect to multichain?

You can change the configuration of the ...READ MORE

Mar 1 in Blockchain by Omkar
• 67,600 points
34 views
0 votes
1 answer

How to change default network port in Multichain?

Yes, you can the default port. You ...READ MORE

Mar 1 in Blockchain by Omkar
• 67,600 points
26 views
0 votes
1 answer

How to increase speed of block generation in Multichain?

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

Mar 1 in Blockchain by Omkar
• 67,600 points
28 views
0 votes
2 answers
0 votes
1 answer

How to run multichain with no permissions?

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

Mar 1 in Blockchain by Omkar
• 67,600 points
24 views
0 votes
1 answer

Multichain: Make every miner participate in the validation.

By default 30% is the minimum number ...READ MORE

Mar 1 in Blockchain by Omkar
• 67,600 points
20 views
0 votes
1 answer

Too many forks while using Multichain

You have changed the configuration to increase ...READ MORE

Mar 1 in Blockchain by Omkar
• 67,600 points
17 views
0 votes
1 answer

What are off-chain transactions?

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

Feb 12 in Blockchain by Omkar
• 67,600 points
718 views
0 votes
1 answer

How to install metamask?

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

Feb 28 in Blockchain by Lakhan
34 views
0 votes
1 answer

Installing Ethereum on Windows

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

Feb 28 in Blockchain by Raman
26 views
0 votes
1 answer

Install testrpc on Linux

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

Feb 28 in Blockchain by Chandu
27 views
0 votes
1 answer

How to install Drizzle on Linux?

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

Feb 28 in Blockchain by Raj
27 views
0 votes
2 answers

Hyperledger Fabric: Channel creation failed! FAILED to execute End-2-End Scenario

This error usually occurs if some old ...READ MORE

May 8 in Blockchain by John
649 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 in Blockchain by Cha
316 views
0 votes
0 answers

Cannot create crypto materiel with cryptogen command?

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

Feb 26 in Blockchain by Tharindu
• 160 points
99 views
+1 vote
2 answers

Hyperledger Fabric: Not able to create the channel "Channel creation failed" error

Seems like you have not set the ...READ MORE

Nov 2, 2018 in Blockchain by Omkar
• 67,600 points
962 views
+1 vote
3 answers

Hyperledger Fabric: How to run node js chaincode in dev mode?

Hi, the command you are using to ...READ MORE

Nov 2, 2018 in Blockchain by Omkar
• 67,600 points
925 views
0 votes
2 answers

Truffle compile/migrate not working

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

Feb 20 in Blockchain by byoul
504 views
0 votes
3 answers

Hyperledger fabric: Cant connect peer to channel

Open the hosts file: $ gedit /etc/hosts And add the IP ...READ MORE

May 8 in Blockchain by John
977 views
0 votes
2 answers

Truffle compile: SyntaxError: No visibility specified. Did you intend to add "public"?

You can try another method : contract HelloWorld{       function ...READ MORE

Mar 18 in Blockchain by anonymous
372 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 in Blockchain by John
633 views
+1 vote
3 answers

Hyperledger Java SDK Client Event Listener to register and listen Blocks

First add the eventhub, and then  register ...READ MORE

Oct 29, 2018 in Blockchain by Omkar
• 67,600 points
675 views
0 votes
4 answers

Issue with getting web3.eth.accounts (MetaMask)

I solved problem, using: web3.eth.getAccounts((err, res) => ...READ MORE

Oct 12, 2018 in Blockchain by Perry
• 17,020 points
1,001 views
+14 votes
5 answers

Difference between hyperledger fabric and sawtooth?

Source: https://www.hyperledger.org/wp-content/uploads/2017/0 ...READ MORE

Aug 29, 2018 in Blockchain by Anurag
1,447 views
0 votes
1 answer

Blockchain secret sharing

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

Feb 12 in Blockchain by Omkar
• 67,600 points
213 views
0 votes
1 answer

Geth command getting stuck

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

Feb 14 in Blockchain by Raj
45 views
0 votes
1 answer

Security threat principles for Blockchain

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

Feb 12 in Blockchain by Omkar
• 67,600 points
123 views
0 votes
1 answer

What is 51% attack in Blockchain?

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

Feb 12 in Blockchain by Omkar
• 67,600 points
37 views
0 votes
1 answer

Use of Blind Signature

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

Feb 12 in Blockchain by Omkar
• 67,600 points
29 views
0 votes
1 answer

Why is off-chain transaction used?

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

Feb 12 in Blockchain by Omkar
• 67,600 points
24 views
–1 vote
1 answer

Truffle migrate not deploying contract.

When you run truffle migrate it shows that network ...READ MORE

Jan 18 in Blockchain by Omkar
• 67,600 points
1,047 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 in Blockchain by Omkar
• 67,600 points
78 views
0 votes
1 answer

How to add peer to ethereum private network?

To connect a node to already existing ...READ MORE

Jan 22 in Blockchain by Omkar
• 67,600 points
810 views
0 votes
1 answer

Not able to install ganache

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

Feb 8 in Blockchain by Omkar
• 67,600 points
67 views
+1 vote
2 answers

Integrating web3 from Metamask: "ReferenceError: window is not defined" error

You can't use MetaMask on server-side because ...READ MORE

Oct 10, 2018 in Blockchain by Omkar
• 67,600 points
670 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 3 in Blockchain by Omkar
• 67,600 points
185 views
0 votes
1 answer

How to select a single account in Ganache?

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

Feb 4 in Blockchain by Omkar
• 67,600 points
102 views
–1 vote
2 answers

Can I add extra miners to an Ethereum Private Network?

To add miners, add peers. Then with ...READ MORE

Feb 19 in Blockchain by Rahul
36 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 in Blockchain by shraddha
331 views
0 votes
2 answers

How to completely uninstall hyperledger composer?

You might have to uninstall/remove files from ...READ MORE

Aug 9, 2018 in Blockchain by slayer
• 29,170 points
2,196 views
0 votes
0 answers
+2 votes
3 answers

What are the functions of the Fabric CA Server and Fabric CA Client?

You need to setup the Fabric CA ...READ MORE

Aug 24, 2018 in Blockchain by Perry
• 17,020 points
1,592 views
0 votes
1 answer

How to ensure data privacy in Hyperledger Fabric?

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

Jan 30 in Blockchain by Omkar
• 67,600 points
256 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 4 in Blockchain by Omkar
• 67,600 points
30 views