Latest questions in Blockchain

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1 answer

Bitcoin Core on external SSD in OS X

 In order to do so, assuming you ...READ MORE

Feb 28, 2022 in Blockchain by Soham
 • 9,700 points • 1,134 views
0 votes
1 answer

How To Get BTC Price on Binance from Binance API

In the Script environment for Apps, the ...READ MORE

Feb 28, 2022 in Blockchain by Soham
 • 9,700 points • 2,029 views
0 votes
1 answer

SHA256 Hash doesn't match the one listed on Bitcoin Wiki

The problem occurring here is that you ...READ MORE

Feb 28, 2022 in Blockchain by Soham
 • 9,700 points • 561 views
+1 vote
1 answer

Is it possible to store images on the Ethereum blockchain?

This is possible for your information but, ...READ MORE

Feb 24, 2022 in Blockchain by Aditya
 • 7,680 points • 1,601 views
0 votes
1 answer

On-Chain NFT: How to store a pixel image on the ethereum blockchain?

The images are usually not stored in ...READ MORE

Feb 24, 2022 in Blockchain by Aditya
 • 7,680 points • 849 views
0 votes
1 answer

Blockchain tutorials for double spending and signature verification

To answer your question, regardless of how ...READ MORE

Feb 24, 2022 in Blockchain by Aditya
 • 7,680 points • 506 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 • 361 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 • 207 views
0 votes
0 answers

how can i use blockchain?

Jan 7, 2022 in Blockchain by Edureka
 • 13,620 points • 228 views
0 votes
0 answers

how does blockchain work?

Jan 7, 2022 in Blockchain by Edureka
 • 13,620 points • 275 views
0 votes
1 answer

what is blockchain private key?

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

Jan 7, 2022 in Blockchain by Edureka
 • 12,690 points • 387 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 • 611 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 • 628 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 • 1,183 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 • 1,956 views
0 votes
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 • 4,932 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 • 851 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
 • 674 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 • 4,660 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 • 1,542 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 • 2,526 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 • 1,668 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 • 568 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 • 2,102 views
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 • 828 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 • 1,289 views
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 • 867 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 • 922 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 • 1,462 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 • 1,796 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 • 1,375 views
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 • 1,622 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 • 1,285 views
0 votes
1 answer

Hyperledger Fabric starting ./startFabric.sh Error: proposal failed (err: rpc error: code = Unavailable desc = transport is closing)

1=grpc@1.24.2     2= i have ...READ MORE

May 21, 2020 in Blockchain by Sagar
 • 180 points • 3,369 views
0 votes
0 answers

Any blockchain developer available who could resolve my queries?

I am implementing a project in ethereum. ...READ MORE

May 14, 2020 in Blockchain by Zara
 • 140 points • 494 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 • 776 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 • 983 views
+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 • 1,188 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
 • 5,926 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 • 1,170 views
0 votes
1 answer

Can someone tell me how to solve the Hyperledger playground installation issue?

Hey, @Ratul, I would suggest using this command ...READ MORE

May 13, 2020 in Blockchain by Gitika
 • 65,910 points • 748 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 • 9,426 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 • 22,135 views
0 votes
1 answer

Can someone tell me how to solve the Hyperledger playground installation issue?

I used those commands but the couldn't ...READ MORE

May 5, 2020 in Blockchain by Ratul
 • 180 points • 756 views
0 votes
0 answers

Received error response from peer: message=failed to execute transaction 33b63361e1ce528c334ecf9ef70af2c9136c0fcc444d1ead9d24b5bae8c6dc57

Received this error while submitTransaction executes in ...READ MORE

May 4, 2020 in Blockchain by Edureka
 • 120 points • 692 views
0 votes
1 answer

I face problem while running hyperledger fabric's sample application "build your first network" byfn.sh giving time out while chaincode installation.

Hey, @Sudip, Please check if the peer container ...READ MORE

Apr 27, 2020 in Blockchain by Gitika
 • 65,910 points • 3,793 views
0 votes
1 answer

Blockchain validation

Hey, @Rohan, Every node in the Bitcoin network ...READ MORE

Apr 20, 2020 in Blockchain by Gitika
 • 65,910 points • 542 views
0 votes
0 answers

how can i add more than one node to mining blocks ??

i created 6 nodes whit one node ...READ MORE

Apr 12, 2020 in Blockchain by Hicham
 • 120 points • 447 views
0 votes
1 answer

Could not assemble transaction, err proposal response was not successful, error code 500, msg chaincode registration failed: container exited with 0

Hey, @Nithin, Can you please post your peer ...READ MORE

Apr 9, 2020 in Blockchain by Gitika
 • 65,910 points • 3,742 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
 • 8,459 views
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