Trending questions in Blockchain

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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
 • 69,180 points • 3,331 views
0 votes
1 answer

How to make any node connect to multichain?

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

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 2,027 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, 2019 in Blockchain by Omkar
 • 69,180 points • 2,027 views
0 votes
1 answer

Not able to install truffle-contract

There’s a permission error. Run this command ...READ MORE

Jan 23, 2019 in Blockchain by Omkar
 • 69,180 points • 3,616 views
0 votes
1 answer

How to change default rpc port in Multichain?

You can use a different port. When ...READ MORE

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 1,959 views
0 votes
2 answers

Truffle compile: Cant find module error

You can install babel-register and try again. ...READ MORE

Feb 19, 2019 in Blockchain by Loki
 • 4,097 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
 • 69,180 points • 3,279 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
 • 1,893 views
+1 vote
2 answers

How to configure Endorsement policy in Hyperledger?

The Hyperledger Fabric Endorsement policy is configured ...READ MORE

Jul 25, 2018 in Blockchain by slayer
 • 29,370 points • 5,106 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
 • 69,180 points • 3,201 views
0 votes
1 answer

How to run a Javascript in truffle console?

There are two ways to do this. You ...READ MORE

Jan 24, 2019 in Blockchain by Omkar
 • 69,180 points • 3,371 views
+15 votes
5 answers

How to add Org or peer in Org dynamically in Hyperledger fabric?

I know it is a bit late ...READ MORE

Jul 27, 2018 in Blockchain by Omkar
 • 69,180 points
edited Jul 22, 2019 by Omkar • 7,180 views
0 votes
1 answer

How to call a payable contract function from truffle console?

You can use a contract function, on ...READ MORE

Jan 24, 2019 in Blockchain by Omkar
 • 69,180 points • 3,338 views
0 votes
1 answer

How to detect if an ethereum address is an ERC20 token contract?

There are many possible ways to achieve ...READ MORE

Sep 25, 2018 in Blockchain by Christine
 • 15,750 points • 8,572 views
–1 vote
1 answer

Problem adding peers to Ethereum private network

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

Jan 23, 2019 in Blockchain by Omkar
 • 69,180 points • 3,422 views
0 votes
3 answers

Hyperledger-fabric not working with docker swarm

The issue is that the chaincode container ...READ MORE

Aug 21, 2018 in Blockchain by Perry
 • 17,100 points • 4,551 views
0 votes
1 answer

geth attach command showing error: bind: address already in use

Seems like there is already a geth instance ...READ MORE

Jan 16, 2019 in Blockchain by Omkar
 • 69,180 points • 3,597 views
0 votes
1 answer

What is the purpose of Blockchain Technology?

Purpose of Blockchain Technology: A blockchain technology is ...READ MORE

Jul 18, 2018 in Blockchain by Mohini
 • 260 points • 11,577 views
+2 votes
2 answers

How can I traverse the blocks of transactions in hyperledger fabric?

For hyperledger fabric you can use query ...READ MORE

May 8, 2018 in Blockchain by Rachel
 • 6,872 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
 • 69,180 points • 2,942 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
 • 1,679 views
–1 vote
1 answer

How to connect two different nodes in private ethereum network?

To connect two nodes, you can use ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 3,811 views
0 votes
1 answer

Hyperledger Fabric: Error: Error getting chaincode code chaincode: cannot find package

In the startFabric.sh launch the cli container ...READ MORE

Nov 12, 2018 in Blockchain by Omkar
 • 69,180 points • 6,281 views
0 votes
1 answer

How to change default network port in Multichain?

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

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 1,540 views
+1 vote
2 answers

Can I invoke a chaincode function from the chaincode itself?

Here's an example on how you can ...READ MORE

May 7, 2019 in Blockchain by Shir
 • 4,730 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
 • 1,558 views
0 votes
1 answer

Blockchain secret sharing

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

Feb 12, 2019 in Blockchain by Omkar
 • 69,180 points • 2,204 views
–1 vote
1 answer

Geth miner not working

Hi. miner.start() gives no output. So, when the output ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 3,397 views
0 votes
1 answer

Different ways of using multichain runtime parameters

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

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 1,444 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
 • 69,180 points • 2,142 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
 • 69,180 points • 2,461 views
0 votes
2 answers

Hyperledger byfn: could not assemble transaction: ProposalResponsePayloads do not match

This is because you have not installed ...READ MORE

Nov 20, 2018 in Blockchain by Omkar
 • 69,180 points • 4,578 views
0 votes
3 answers

Hyperledger fabcar sample fabric error: sendPeersProposal - Promise is rejected: Error: Connect Failed

Open the datasources.json file and replace the grpcs:// with grpc://. This solution worked ...READ MORE

Apr 30, 2019 in Blockchain by Reshma
 • 4,862 views
0 votes
1 answer

Truffle dev says my function is not a function

It seems you are using truffle v5. ...READ MORE

Jan 24, 2019 in Blockchain by Omkar
 • 69,180 points • 2,927 views
0 votes
1 answer

Too many forks while using Multichain

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

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 1,351 views
0 votes
1 answer

Multichain: Make every miner participate in the validation.

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

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 1,333 views
+1 vote
5 answers

Does Hyperledger remove asset actually remove anything?

Hyperledger remove asset doesn't actually "remove" the ...READ MORE

Jun 19, 2018 in Blockchain by charlie_brown
 • 7,720 points • 5,265 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
 • 69,180 points • 2,705 views
0 votes
1 answer

HyperLedger Fabric and Multichain - difference & different use cases

MULTICHAIN: It is a Permissioned Blockchain. It doesn't implement ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
 • 69,180 points • 3,995 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
 • 69,180 points • 1,260 views
+1 vote
4 answers

What is hf.Registrar.Roles in fabric-ca-client command?

The "hf.Registrar.Roles" attribute is used to control ...READ MORE

Jul 11, 2018 in Blockchain by slayer
 • 29,370 points • 4,683 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
 • 69,180 points • 2,311 views
–1 vote
1 answer

How to get balance of all accounts in ethereum network using javascript?

You can write a function that will ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
 • 69,180 points • 3,418 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
 • 69,180 points • 1,895 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
 • 69,180 points • 2,390 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
 • 2,391 views
–1 vote
1 answer

Miner in Ethereum Private network is hanging

Looking at your commands again, I figured ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
 • 69,180 points • 2,943 views
+1 vote
1 answer

geth: Fatal: Failed to read genesis file: open “/home/edureka/privatechain/”: no such file or directory

Use this: geth --datadir ./data init ./custom_genesis.json READ MORE

Dec 6, 2018 in Blockchain by Omkar
 • 69,180 points • 4,711 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
 • 69,180 points • 1,748 views
0 votes
1 answer

How can I call a contract from another contract?

There are two ways to solve this. ...READ MORE

Jan 23, 2019 in Blockchain by Omkar
 • 69,180 points • 2,602 views
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