Trending questions in Blockchain

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Solidity Error: Exceeds block gas limit

Remove the line norpc:true and change the ...READ MORE

Jan 24, 2019 in Blockchain by Omkar
• 69,190 points
2,152 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
• 69,190 points
2,084 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
579 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
693 views
–1 vote
1 answer

Not able to create new account in geth for private ethereum blockchain

personal.newAccount() is not a default geth method. This ...READ MORE

Jan 17, 2019 in Blockchain by Omkar
• 69,190 points
2,409 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
448 views
0 votes
2 answers

What is the difference between full node and partial node?

We need different types of nodes to ...READ MORE

May 31, 2019 in Blockchain by Sourav kumar
3,442 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
• 69,190 points
1,102 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
• 69,190 points
357 views
0 votes
1 answer

JavaFX Location is not set error message

I had this problem and found this ...READ MORE

Sep 19, 2018 in Blockchain by slayer
• 29,330 points
7,405 views
0 votes
1 answer

geth: Fatal: Error starting protocol stack: datadir already used by another process

It seems like geth is already running. ...READ MORE

Dec 6, 2018 in Blockchain by Omkar
• 69,190 points
4,024 views
0 votes
1 answer

Can not open geth console: Fatal: Error starting protocol stack: listen tcp :30303: bind: address already in use

The default port for geth is 30303. ...READ MORE

Dec 6, 2018 in Blockchain by Omkar
• 69,190 points
3,980 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
• 69,190 points
305 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
• 69,190 points
298 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
305 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
• 69,190 points
1,917 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
• 69,190 points
234 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
• 69,190 points
217 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
2,348 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
• 69,190 points
1,260 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
• 69,190 points
1,521 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
• 69,190 points
184 views
+1 vote
2 answers

How to solve Hyperledger Fabric "error endorsing chaincode" error?

Try to install chaincode with a name ...READ MORE

Jul 13, 2018 in Blockchain by digger
• 26,740 points
3,633 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
• 69,190 points
831 views
0 votes
1 answer

How to force gradle to take UTF-8 encoding instead of operating system default encoding?

I've removed the UTF-8 chars from erroneous ...READ MORE

Oct 12, 2018 in Blockchain by Perry
• 17,100 points
6,134 views
0 votes
1 answer

How to get IP address of peer connected in private ethereum network?

To get these details, you can use ...READ MORE

Jan 10, 2019 in Blockchain by Omkar
• 69,190 points
2,203 views
0 votes
1 answer

How to set token price in solidity?

We know that 1 Ether = 1018 wei, ...READ MORE

Sep 25, 2018 in Blockchain by slayer
• 29,330 points
6,832 views
+1 vote
2 answers

Using Composite Key formation to get states for a date range in Hyperledger Fabric V1.0

I think you have found a partial ...READ MORE

Jul 20, 2018 in Blockchain by charlie_brown
• 7,720 points
3,353 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
• 69,190 points
1,535 views
0 votes
1 answer

Blockchain secret sharing

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

Feb 12, 2019 in Blockchain by Omkar
• 69,190 points
708 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
• 69,190 points
1,871 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
• 69,190 points
1,475 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
• 69,190 points
2,124 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
• 69,190 points
1,154 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
• 69,190 points
4,568 views
0 votes
1 answer

Not able to install truffle using npm install -g truffle

You need root access to install truffle, ...READ MORE

Nov 29, 2018 in Blockchain by Omkar
• 69,190 points
3,794 views
+1 vote
3 answers

Not able to read a file from my assets folder

Hi.. I faced a similar problem in ...READ MORE

Oct 25, 2018 in Blockchain by Shrikanth
5,259 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
437 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
• 69,190 points
1,372 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
• 69,190 points
1,709 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
• 69,190 points
1,139 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, 2019 in Blockchain by Rahul
748 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
• 69,190 points
985 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
• 69,190 points
1,058 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
960 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
• 69,190 points
1,208 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
• 69,190 points
336 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
• 69,190 points
2,320 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
• 69,190 points
926 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
• 69,190 points
661 views