Trending questions in Blockchain

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Can a blockchain be Centralised? Will it be called as Blockchain if it is centralised?

I was reading a lot of articles ...READ MORE

Mar 3, 2022 in Blockchain by Soham
• 9,700 points
225 views
0 votes
1 answer

How exchanges (Binance, Coinbase) record user trade into blockchain

Merkle tree will allow us to multiplex ...READ MORE

Feb 28, 2022 in Blockchain by Soham
• 9,700 points
316 views
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Blockchain and HyperLedger Fabric difference

While I was trying to understand blockchain ...READ MORE

Mar 3, 2022 in Blockchain by Soham
• 9,700 points
216 views
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1 answer

Get amount of Bitcoins at an address with PHP

While checking the Coinbase address balance, the ...READ MORE

Feb 28, 2022 in Blockchain by Soham
• 9,700 points
308 views
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0 answers

How to get AUD price of bitcoin at a particular date

I am trying to find out how ...READ MORE

Mar 1, 2022 in Blockchain by Soham
• 9,700 points
277 views
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Scrypt algorithm output doesn't match up as expected

I am trying to get my head ...READ MORE

Mar 1, 2022 in Blockchain by Soham
• 9,700 points
215 views
0 votes
1 answer

What is a decentralized-distributed system? Why Blockchain is decentralized-distributed system?

The essential understanding of what Distributed systems ...READ MORE

Feb 24, 2022 in Blockchain by Aditya
• 7,680 points
331 views
0 votes
0 answers

Blockchain Development Company

If you are one of those entrepreneurs ...READ MORE

Feb 7, 2022 in Blockchain by Olivia
• 120 points
202 views
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1 answer

what is blockchain private key?

A cryptocurrency user's private key is what ...READ MORE

Jan 7, 2022 in Blockchain by Edureka
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367 views
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how does blockchain work?

Jan 7, 2022 in Blockchain by Edureka
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268 views
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how can i use blockchain?

Jan 7, 2022 in Blockchain by Edureka
• 13,620 points
223 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
594 views
+1 vote
3 answers

Removing double quotes from a string from JSON response in PHP

Just remove the json_encode call, and it should work: $resp ...READ MORE

Sep 12, 2018 in Blockchain by digger
• 26,740 points
43,808 views
0 votes
1 answer

Javascript ES6 TypeError: Class constructor Client cannot be invoked without 'new'

Hello @kartik, In package.json you can use targets configuration with @babel/preset-env. ...READ MORE

May 5, 2020 in Blockchain by Niroj
• 82,880 points
22,056 views
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10 answers

How to solve gradle build failed error?

I migrated the project to a different ...READ MORE

Dec 7, 2018 in Blockchain by Rajat
47,133 views
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1 answer

How to set the ERC20 token price in respect to ether in solidity?

Hi, @Jas, I would suggest you go through ...READ MORE

Nov 9, 2020 in Blockchain by anonymous
• 10,520 points
4,906 views
0 votes
2 answers

Chaincode Installation failed, Hyperledger Fabric

Hi, @Bhuwan, There must be an error in ...READ MORE

Oct 5, 2020 in Blockchain by Gitika
• 65,910 points
4,621 views
0 votes
1 answer

How to deploy Hyperledger-fabric V2.0 with SDK using kubernetes

Hi, @There, It involves several steps, most of ...READ MORE

Dec 18, 2020 in Blockchain by Gitika
• 65,910 points
1,163 views
0 votes
1 answer

capture an event issued by a smart contract and make a web request

Hi, @There, Regarding your query, I suggest you ...READ MORE

Dec 29, 2020 in Blockchain by Gitika
• 65,910 points
613 views
0 votes
1 answer

What is the previous block hash of block #4390176 in Ethereum Blockchain

1,226,797,074,502,984,598,563 Hope this helps! To know more, Enroll with Blockchain ...READ MORE

Sep 7, 2020 in Blockchain by Sayali
8,417 views
0 votes
1 answer

Kubernetes: How to connect Node.js SDK to Hyperledger Fabric network?

Hey, @Piyusha, Looks like the network did not ...READ MORE

Nov 12, 2020 in Blockchain by Gitika
• 65,910 points
1,922 views
0 votes
1 answer

what coding language is this in for ethereum and does this work for trading if setup right?

Hi there, I dont know about ethereum, but ...READ MORE

Jan 4, 2021 in Blockchain by Achuth
• 150 points
2,091 views
0 votes
1 answer

Error: '.' is not recognized as an internal or external command,

Hello @kartik, Edit package.json and remove the ./. Change "start": "./node_modules/nodemon/bin/nodemon.js src/app.js" to "start": "nodemon ...READ MORE

May 5, 2020 in Blockchain by Niroj
• 82,880 points
9,353 views
0 votes
2 answers

Getting error while Initialising the Blockchain

Hello, @Edureka, You have two options: Execute with sudo. This ...READ MORE

Sep 17, 2020 in Blockchain by Roshni
• 10,520 points
2,466 views
0 votes
1 answer

Need to do pdf file to blockchain and how to do?

Hi @Sagara, Attaching the pdf directly to the blockchain ...READ MORE

Oct 19, 2020 in Blockchain by Gitika
• 65,910 points
838 views
0 votes
2 answers

Code to change owner

Hi, @Wilson, U have to write the require ...READ MORE

Oct 5, 2020 in Blockchain by Rajiv
• 8,910 points
1,514 views
0 votes
1 answer

PAYMENT ERRORS

Hello,@There, Regarding your issue I guess there can ...READ MORE

Oct 9, 2020 in Blockchain by Thomas Walenta
649 views
0 votes
1 answer

Solidity: Code to hide message sender address (msg.sender) when writing on a contract

Hey @Wilson, You can use a smart contract ...READ MORE

Sep 14, 2020 in Blockchain by Rajiv
• 8,910 points
1,650 views
0 votes
1 answer

If any etherium smart contract source code is not verified

To remove the “unverified” label, the human ...READ MORE

May 12, 2020 in Blockchain by Vikas Blockchained
5,894 views
0 votes
0 answers

I got stuck in Blockchain Course. Please Help Me!

Please help me I got stuck in ...READ MORE

Sep 6, 2020 in Blockchain by Arcadius
• 120 points
562 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
21,524 views
+1 vote
4 answers

Installing Nodejs: sh: node: command not found error

You have to first install nodejs and ...READ MORE

Oct 22, 2018 in Blockchain by Omkar
• 69,210 points
24,933 views
0 votes
2 answers

how save data from different account using web3.py to smart contract

Hey, @Amal, It will automatically take the address ...READ MORE

Jul 28, 2020 in Blockchain by Rajiv
• 8,910 points
1,276 views
0 votes
1 answer
0 votes
2 answers

Key Advantages of Using Blockchain in Banking

Hi, @blockchainhq, There are a few more advantages ...READ MORE

Jul 15, 2020 in Blockchain by Gitika
• 65,910 points
817 views
0 votes
1 answer

How to create an instance of contract in Truffle console?

Hi, @There, I would suggest you go through ...READ MORE

Jun 17, 2020 in Blockchain by Gitika
• 65,910 points
1,777 views
0 votes
1 answer
0 votes
0 answers

How do I apply Ethereum Private blockchain or Hyperledger Fabric to Healthcare data management/Drug Traceability?

I just need a lab practice guide ...READ MORE

Jul 3, 2020 in Blockchain by pauloshikoya
• 120 points

recategorized Jul 3, 2020 by Gitika 851 views
0 votes
1 answer

My account is already an administrator but its giving the an error on denial of permission

Hi, @There, You can try this in your ...READ MORE

Jun 17, 2020 in Blockchain by Gitika
• 65,910 points
1,451 views
0 votes
1 answer

Blockchain Basic Questions

Hey, @Nikhil  1. A type of distributed ledger database ...READ MORE

Jun 30, 2020 in Blockchain by Gitika
• 65,910 points
905 views
0 votes
0 answers

Attach two nodes on different machine via private blockchain (Ethereum)

I have seen many blogs regarding ways ...READ MORE

Jun 9, 2020 in Blockchain by Ritvik
• 120 points
1,363 views
0 votes
1 answer
0 votes
1 answer

Channel fails to create Hyperledger Fabric

Hi, @Sara, I guess this error is happening ...READ MORE

May 26, 2020 in Blockchain by Gitika
• 65,910 points
1,569 views
0 votes
2 answers

is there any way of getting all data in hyperledger fabric before we start the ledger

Hey, @Harinishree, You can also do one thing, ...READ MORE

Jun 4, 2020 in Blockchain by Gitika
• 65,910 points
1,260 views
0 votes
0 answers
+1 vote
0 answers

Hyperledger fabric : unable to create channel on raspberry pi 4 with Raft ordering service

Hello, I am trying to setup an hyperledger ...READ MORE

May 13, 2020 in Blockchain by Manon
• 130 points
1,171 views
+2 votes
1 answer

Issue in Initialising the Blockchain

Hi, I am also getting the same ...READ MORE

Sep 17, 2020 in Blockchain by Edureka
• 200 points

reshown Sep 17, 2020 by Gitika 1,056 views
+1 vote
1 answer

while I am hitting servies in node js in hyperledger fabric 2.0 I am getting issues like Invalid common connection profile due to missing configuration data

Hey, @Harinishree, With error "Invalid network configuration due ...READ MORE

May 14, 2020 in Blockchain by Gitika
• 65,910 points
968 views
0 votes
1 answer

hyperledger composer network is not starting

Hey, @Sudip, First thing you need to start ...READ MORE

May 13, 2020 in Blockchain by Gitika
• 65,910 points
1,144 views
0 votes
0 answers

How I can check where the data is actually stored when we deploy blockchain?

How I can check where the data ...READ MORE

May 14, 2020 in Blockchain by Zara
• 140 points
760 views