Trending questions in Blockchain

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Blockchain API to determine transaction confirmations

I am trying to identify whether a ...READ MORE

Mar 1, 2022 in Blockchain by Soham
 • 9,710 points • 1,108 views
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Does timestamp also change with nonce to calculate block hash in blockchain? How hash is calculated?

Do we need to update date timestamp ...READ MORE

Mar 8, 2022 in Blockchain by Soham
 • 9,710 points • 700 views
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Private ethereum blockchain mining on a Raspberry Pi - is it possible?

I am trying to write a private ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,710 points • 840 views
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How to get Bitcoin value for corresponding USD value in ASP.NET C#?

I want to get the Bitcoin value ...READ MORE

Mar 1, 2022 in Blockchain by Soham
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How to delete an image saved in IPFS blockchain?

I am working on a blockchain based ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,710 points • 762 views
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(bitcoin) Calculate hash from getwork function - how to do it?

This is correct as there is a ...READ MORE

Feb 28, 2022 in Blockchain by Soham
 • 9,710 points • 881 views
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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
 • 9,710 points • 878 views
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Blake2b-512 with ED25519 in PHP with NanoSalt library (Nano Crypto)

I have been trying to generate a Nano ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,710 points • 711 views
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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
 • 9,710 points • 786 views
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How to Query Transaction on Hyperledger Sawtooth?

I want to perform CRUD operations in ...READ MORE

Mar 8, 2022 in Blockchain by Soham
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Crypto Currency ICO process

To answer your question, only for the ...READ MORE

Feb 28, 2022 in Blockchain by Soham
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Bitcoin Price that updates in specific Seconds

The better way to do so is ...READ MORE

Feb 28, 2022 in Blockchain by Soham
 • 9,710 points • 717 views
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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
 • 9,710 points • 557 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
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Blockchain tutorials for double spending and signature verification

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

Feb 24, 2022 in Blockchain by Aditya
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Store Images on/off blockchain? which is better?

I have been using hyperledger fabric and ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,710 points • 472 views
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Trying To Open Bitcoin Miner On Terminal

Trying to open a file, but the ...READ MORE

Mar 4, 2022 in Blockchain by Soham
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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 • 767 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
 • 9,710 points • 469 views
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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
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How is data entry in private and consortium blockchains trusted?

Suppose we have a consortium blockchain like ...READ MORE

Mar 10, 2022 in Blockchain by Soham
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edited Mar 4 • 52 views
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Hyperledger Fabric 1.4 Private data collection

Hyperledger fabric provides inbuilt support storing offchain ...READ MORE

Mar 10, 2022 in Blockchain by Soham
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edited Mar 4 • 52 views
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What is an optimal size of a consortium in consortium blockchain?

In order to save energy on consensus ...READ MORE

Mar 10, 2022 in Blockchain by Soham
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edited Mar 4 • 42 views
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Why do we not use Istanbul Byzantine Fault Tolerance (IBFT) in Public Blockchains?

As I said in the title, why ...READ MORE

Mar 10, 2022 in Blockchain by Soham
 • 9,710 points
edited Mar 4 • 39 views
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How would calculate the exchange rate of Bitcoin/GBP?

I've got an API that returns the ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,710 points
edited Mar 4 • 35 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
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edited Mar 4 • 37 views
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Get bitcoin historical data

I want to do my own bitcoin ...READ MORE

Mar 3, 2022 in Blockchain by Soham
 • 9,710 points
edited Mar 4 • 35 views
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How can I save the information that the contract stores in Blockchain to my laptop?

I have written a smart contract in ...READ MORE

Feb 23, 2022 in Blockchain by mehran
edited Mar 4 • 77 views
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Blockchain Development Company

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

Feb 7, 2022 in Blockchain by Olivia
 • 120 points • 414 views
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how to fork a Ethereum chain

how to fork a Ethereum blockchain ? what ...READ MORE

Feb 4, 2022 in Blockchain by pawan
edited Mar 4 • 51 views
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Uber like App on blockchain: The Project Model || How to build one ?

Suppose I wanna launch a uber-like carpooling ...READ MORE

Jan 27, 2022 in Blockchain by Saswata
edited Mar 4 • 37 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
 • 12,690 points • 641 views
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how does blockchain work?

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

Jan 7, 2022 in Blockchain by Edureka
 • 13,630 points • 420 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
 • 49,996 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 • 45,900 views
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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 • 854 views
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2 answers

Chaincode Installation failed, Hyperledger Fabric

I had the same issue. I had ...READ MORE

Feb 15, 2022 in Blockchain by Pranitha Sanda
edited Mar 5 • 5,811 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
 • 82,840 points • 23,126 views
+1 vote
1 answer

Error: failed to create deliver client for orderer: orderer client failed to connect to orderer.example.com:7050: failed to create new connection: context deadline exceeded

It is caused because of firewall restriction, ...READ MORE

Nov 2, 2022 in Blockchain by Prudhvi Krishna Menavalli
edited Mar 5 • 4,441 views
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How can i transfer eth automotically in some seconds (from one address to another)

How can I transfer ETH automatically from ...READ MORE

Aug 17, 2021 in Blockchain by Epic
edited Mar 4 • 39 views
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How to print a message in Solidity??

You can use the require function to do this. ...READ MORE

Dec 12, 2018 in Blockchain by Omkar
 • 69,220 points • 16,299 views
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how to Build Bitcoin address and balance database?

How to build Bitcoin Address and Balance ...READ MORE

Jul 25, 2019 in Blockchain by Raj
 • 180 points • 1,186 views
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how do i develop webpage that has login with a Wallet. ? How do you do that? And how does it have to be coded?

how do i develop webpage that has ...READ MORE

Jul 16, 2021 in Blockchain by Femmy
edited Mar 4 • 57 views
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Automatically Transfer ETH

Hello,  I don't know anything coding.    Is there any ...READ MORE

Jul 14, 2021 in Blockchain by Hacker
edited Mar 4 • 45 views
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ERROR: for eb97c8f5425c_orderer3.example.com a bytes-like object is required, not 'str'

getting this error when run "docker-compose up ...READ MORE

Jun 27, 2021 in Blockchain by Melisha
edited Mar 4 • 31 views
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send automatically

I have few child wallets and a ...READ MORE

Jun 6, 2021 in Blockchain by Hamed
edited Mar 4 • 30 views
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Is there a way to automatically send eth from one wallet to another?

I have a wallet in which all ...READ MORE

May 21, 2021 in Blockchain by Rajeev
edited Mar 4 • 76 views
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How to change the transaction in ganache?

I do not know how to change ...READ MORE

Apr 16, 2021 in Blockchain by Gia Huy
edited Mar 4 • 71 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
 • 10,480 points • 5,304 views
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