Most viewed questions in Blockchain

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Error during Hyperledger installation: Manifest peer latest not found

Change the tag from latest to x86_64-1.0.2 in the compose file. ...READ MORE

Jul 13, 2018 in Blockchain by Perry
• 17,100 points
426 views
0 votes
1 answer

How can I sync geth and testrpc private nodes locally?

node running on testrpc cannot be connected ...READ MORE

May 17, 2018 in Blockchain by Shashank
• 10,400 points
425 views
–1 vote
1 answer

Unable to create account in geth

Well, that's not how you create a ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
• 69,190 points
424 views
+5 votes
1 answer

What are the programming languages I should know to become a Blockchain Developer?

Well, what programming language you have to ...READ MORE

Sep 25, 2018 in Blockchain by digger
• 26,740 points
424 views
0 votes
1 answer

Problem with deploying to a single organization Hyperledger Fabric

It appears to me that  the proposal is ...READ MORE

Aug 1, 2018 in Blockchain by Christine
• 15,790 points
424 views
0 votes
1 answer

How can I take the required info and send it to a div in the html page?

window.onload=function(){ var anima = document.getElementById("crypto"); var ret = document.getElementById("btn"); ret.addEventListener("click",function(){ var ...READ MORE

Sep 6, 2018 in Blockchain by digger
• 26,740 points
423 views
0 votes
0 answers

How do we increase the amount of gas?

Jun 25, 2019 in Blockchain by Neha Agarwal
422 views
0 votes
1 answer

Is it possible to claim Bitcoin Cash from an exchange that does not support it?

You can't claim BCH without knowing private ...READ MORE

Jul 17, 2018 in Blockchain by aryya
• 7,450 points
422 views
0 votes
1 answer

How can i read headers of blockchain in multichain?

You could use a recent feature known ...READ MORE

Mar 26, 2018 in Blockchain by Perry
• 17,100 points
422 views
0 votes
0 answers

How to use mutual authentication without CA in hyperledger fabric

I want to use some certificateless mutual ...READ MORE

Jul 29, 2019 in Blockchain by behnaz
• 120 points
421 views
0 votes
1 answer

How to make transactions without creating assets in multichain?

To transfer your Mycoins, you can make ...READ MORE

Jul 3, 2018 in Blockchain by Omkar
• 69,190 points
421 views
0 votes
0 answers

Hyperledger Fabric: Average & Max Price FabCar

Hey, I'm using the fabcar project  (https://github.com/IBM/blockchain-application-using-fabric-java-sdk). I ...READ MORE

Mar 1, 2020 in Blockchain by pablobonet
• 120 points
420 views
0 votes
1 answer

How to send JSON object from npm module to browser

A simple solution for this would be ...READ MORE

Sep 20, 2018 in Blockchain by digger
• 26,740 points
419 views
0 votes
1 answer

how loop through a JSON Array of bitcoin transaction data

for($i=0; $i<count($result['out']); $i++) { echo ...READ MORE

Sep 21, 2018 in Blockchain by slayer
• 29,350 points
417 views
0 votes
1 answer

How are unique public address generated in bitcoin?

In brief, the public addresses are generated ...READ MORE

Jul 16, 2018 in Blockchain by slayer
• 29,350 points
416 views
0 votes
1 answer

Send message between two blockchain nodes

The answer is Blockchain as at the ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
• 9,670 points
415 views
0 votes
0 answers

not working eth.sendTransaction

https://www.edureka.co/blog/ethereum-private-network-tutorial/amp/ after below steps, not able to send/transact ...READ MORE

Oct 11, 2021 in Blockchain by rathnamachary
• 120 points
415 views
0 votes
1 answer

How to create own coins in Blockchain Ethereum wallet?

To create own coins you have to ...READ MORE

Jul 26, 2018 in Blockchain by slayer
• 29,350 points
415 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
414 views
0 votes
1 answer

How to connect to already running go ethereum client using mist Ubuntu

Hey, you can solve the issue by using sudo ...READ MORE

Sep 18, 2018 in Blockchain by digger
• 26,740 points
414 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
• 69,190 points
414 views
0 votes
1 answer

Getting error while building Bitcoind on MAC OS

First of all try building a non-GUI ...READ MORE

Aug 20, 2018 in Blockchain by slayer
• 29,350 points
413 views
0 votes
1 answer

How do Ethereum node compete for blocks?

Yes, all the nodes do compete for ...READ MORE

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

IBM BLUEMIX BLOCKCHAIN SDK-DEMO failing

These types of intermittent issues are usually ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
• 7,720 points
411 views
0 votes
1 answer

How do I access the github repository for deploying blockchain on bluemix?

You start with creating a new project. ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
• 10,400 points
411 views
+1 vote
1 answer

Multichain "Resource temporarily unavailable" error

The command you have executed is used ...READ MORE

Jul 10, 2019 in Blockchain by Olivia
410 views
0 votes
1 answer

Contract deployment is raising gas issue while transaction and issue vary on various networksbl

Starting time can't be in the past. new ...READ MORE

Oct 3, 2018 in Blockchain by Omkar
• 69,190 points
410 views
0 votes
1 answer

Vertically centering text in a div

Try this code: .smallUnitBox { ...READ MORE

Sep 3, 2018 in Blockchain by digger
• 26,740 points
410 views
0 votes
1 answer

Why to use libraries over Json-RPC to interact with Blockchain?

Though Json-RPC provides methods to interact with ...READ MORE

Jan 11, 2019 in Blockchain by Omkar
• 69,190 points
409 views
0 votes
1 answer

How to allow request from host machine and deny from other machine, using ethereum in docker?

You can restrict access to the port ...READ MORE

Oct 9, 2018 in Blockchain by Omkar
• 69,190 points
409 views
0 votes
1 answer

How do i startup the quantum resistant ledger (QRL) node?

There is an open issue in GitHub ...READ MORE

Jul 31, 2018 in Blockchain by Shashank
• 10,400 points
409 views
0 votes
1 answer

Problem monitoring geth instance

Try the following command: geth monitor --attach ./chain-data/geth.ipc ...READ MORE

Jan 22, 2019 in Blockchain by Omkar
• 69,190 points
407 views
0 votes
1 answer

What could be the best term to use for the collection of contracts in a .sol file?

module - don't think so. Because module ...READ MORE

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

Ubuntu "get attach" command failed

The geth.ipc gets created when Geth is succesfully launched.It ...READ MORE

Sep 7, 2018 in Blockchain by Surya
406 views
0 votes
1 answer

Creating bitcoin address in ruby

When you calculate the SHA256 checksum, make ...READ MORE

Aug 28, 2018 in Blockchain by slayer
• 29,350 points
406 views
0 votes
1 answer

In PBFT view change what happens to committed operations after a valid snapshot?

I think that those messages are executed ...READ MORE

Jul 27, 2018 in Blockchain by aryya
• 7,450 points
406 views
0 votes
1 answer

Hyperledger Sawtooth installation JAVA_HOME: path not found

/etc/environment is a bash script, so change the ...READ MORE

Aug 10, 2018 in Blockchain by digger
• 26,740 points
405 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
405 views
+1 vote
2 answers

How can a public proof of work be secured?

Bitcoin was the first implementation of blockchain, ...READ MORE

May 9, 2018 in Blockchain by Johnathon
• 9,090 points
405 views
+1 vote
1 answer

How can nodes interact with a Smart Contract?

If you are using Remix IDE to ...READ MORE

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

Are "unconfirmed transactions" of a blockchain's memory pool spread over nodes?

Yes, as soon as a transaction is ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
• 9,670 points
403 views
+1 vote
1 answer

Ethereum vs Hyperledger: Which is better for business networks?

Hyperledger is preferred for B2B business and ...READ MORE

Sep 20, 2018 in Blockchain by digger
• 26,740 points
403 views
+1 vote
1 answer

Error attempting installing ethermint

I faced the same issue. Here's where ...READ MORE

Aug 2, 2018 in Blockchain by Christine
• 15,790 points
403 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
403 views
0 votes
1 answer

Can not find sayText method in QtBitcoinTrader

You've not added the ApplicationServices and CoreFoundation frameworks to your build, ...READ MORE

Aug 30, 2018 in Blockchain by slayer
• 29,350 points
402 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
402 views
0 votes
1 answer

Font Awesome 5 - why aren't icons like bitcoin, facebook, twitter showing?

You also need to use the brands.css ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
• 9,670 points
401 views
0 votes
1 answer

Error in generating network sample.

I resolved this issue by downloading the ...READ MORE

Jul 26, 2018 in Blockchain by Perry
• 17,100 points
399 views
0 votes
1 answer

How to check the data integrity logic in proof of work mining?

The proof of work is actually works ...READ MORE

May 8, 2018 in Blockchain by Johnathon
• 9,090 points
399 views