Most answered questions in Blockchain

+1 vote
1 answer

Can Blocks be reorganized in the blockchain?

In practical applications, invalid transactions can not ...READ MORE

Jul 18, 2018 in Blockchain by Varun
edited Aug 3, 2018 by Omkar • 529 views
+1 vote
1 answer

How does the geth ethereum platform automatically connect to the nodes that are in the main network of Ethereum?

When you start with Geth you need ...READ MORE

Mar 28, 2018 in Blockchain by Perry
 • 17,100 points • 1,094 views
+1 vote
1 answer

Getting issues while Sending signTransaction with web3.js

The chain ID for ropsten is 3. ...READ MORE

Mar 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 3,365 views
+1 vote
1 answer

How do I create a relationship between list of suppliers and a single order in Hyperledger Composer

Is your transaction actually called 'OrderPlaced' (in ...READ MORE

Mar 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,124 views
0 votes
1 answer

Connection failed to Ethereum Ropsten Testnet network.

 It looks like your node isn't syncing ...READ MORE

Mar 27, 2018 in Blockchain by Christine
 • 15,790 points • 1,514 views
+1 vote
1 answer

In the Hyperledger Fabric architecture where is the SDK hosted?

Hyperledger client SDK is a component used ...READ MORE

Mar 27, 2018 in Blockchain by Christine
 • 15,790 points • 832 views
+1 vote
1 answer

I am unable to change port of composer-rest-server. Please help!

Use full format for running a business ...READ MORE

Mar 27, 2018 in Blockchain by Christine
 • 15,790 points • 971 views
+1 vote
1 answer

Blockchain - Virtual box is set up and error while executing Hyperledger example from github

The challenge you are facing is mostly ...READ MORE

Mar 27, 2018 in Blockchain by Gabriel
 • 680 points • 884 views
+1 vote
1 answer

How does a miner get to know that a transaction is verified by all the nodes?

Contrary to the popular belief, it is ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,536 views
+1 vote
1 answer

When is the Transmission of new blocks happen between nodes of the network?

When a block is mined, it is ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 520 views
+1 vote
1 answer

How to deploy ethereum smart contracts on a website?

There are many ways to do this: 1 ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,679 views
+1 vote
1 answer

Language in which cryptokitties is programmed?

Cryptokitties is built on the Ethereum network. The ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 520 views
+1 vote
1 answer

Security Properties of Hash Functions

The difference is indeed subtle. I understood ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 4,129 views
+1 vote
1 answer

Where is the Open API Specification generated by composer-rest-server stored in a Hyperledger Composer?

By default, the docs are at your ...READ MORE

Mar 26, 2018 in Blockchain by Christine
 • 15,790 points • 760 views
+2 votes
1 answer

What are the difference between various Hyperledger Projects?

Hyperledger incubates a plethora of business blockchain ...READ MORE

Mar 26, 2018 in Blockchain by Perry
 • 17,100 points • 1,271 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 • 573 views
0 votes
1 answer

How to make sure transactions take no fee in a private Ethereum blockchain?

In a private ethereum network you have ...READ MORE

Mar 26, 2018 in Blockchain by Christine
 • 15,790 points
edited Mar 26, 2018 by Christine • 1,377 views
+1 vote
1 answer

Which blockchain framework should I learn?

There are a few frameworks to choose ...READ MORE

Mar 26, 2018 in Blockchain by Perry
 • 17,100 points • 419 views
+1 vote
1 answer

How blockchain node behaves upon receiving a new block when previous block wasn't acquired?

A node will ask for block number ...READ MORE

Mar 26, 2018 in Blockchain by Perry
 • 17,100 points • 1,211 views
0 votes
0 answers

Testing Ask a question

This category houses questions pertaining to various ...READ MORE

Aug 1, 2022 in Blockchain by anonymous
 • 300 points • 469 views
0 votes
0 answers

BITCOIN payments, OP_RETURN parameter

I want to automate BITCOIN payments and ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 199 views
0 votes
0 answers

Can third party send an ERC20 token transaction to the Ethereum blockchain?

I want to create a smart contract ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 650 views
0 votes
0 answers

How do I do experiments of blockchain consensus algorithms

I'm writing a paper on the blockchain ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 294 views
0 votes
0 answers

Does the crypto wallet "Exodus" reveal your IP Address?

I've read that "SPV Wallets," also called ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 487 views
0 votes
0 answers

Is Blockchain a single linked list?

When seen as a datatype, is Blockchain ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 196 views
0 votes
0 answers

Azure Blockchain , Cannot read property 'uri' of undefined

I am starting with Azure Blockchain. When ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 266 views
0 votes
0 answers

What is the difference between Amazon managed Blockchain and Amazon Blockchain Templates?

I am a beginner in Blockchain and ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 282 views
0 votes
0 answers

Node.js blockchain bitcoin api

So I want to use this: (taken ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 403 views
0 votes
0 answers

Are all Blockchain array implementations incorrect?

I found many Blockchain implementations on the ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 252 views
0 votes
0 answers

Blockchain platform in C

I am trying to understand available blockchain ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
 • 9,670 points • 308 views
0 votes
0 answers

Is Blockchain a distributed database?

I have noticed that most of the ...READ MORE

Apr 4, 2022 in Blockchain by Soham
 • 9,700 points • 214 views
0 votes
0 answers

Ontology Blockchain development

I'm analyzing the Ontology blockchain. The core of ...READ MORE

Apr 4, 2022 in Blockchain by Soham
 • 9,700 points • 227 views
0 votes
0 answers

How to protect private blockchain with public blockchain?

Private blockchain has the risk of 51% ...READ MORE

Apr 4, 2022 in Blockchain by Soham
 • 9,700 points • 213 views
0 votes
0 answers

What is the difference between blockchain performance and blockchain scalability?

I really don´t get the difference between ...READ MORE

Apr 4, 2022 in Blockchain by Soham
 • 9,700 points • 226 views
0 votes
0 answers

how to sign bitcoin psbt with ledger?

I'm trying to sign a PSBT transaction ...READ MORE

Mar 9, 2022 in Blockchain by Soham
 • 9,700 points • 1,305 views
+1 vote
0 answers

How to generate bitcoin address from XPUB

How to generate bitcoin addresses from XPUB ...READ MORE

Mar 9, 2022 in Blockchain by Soham
 • 9,700 points • 1,473 views
+1 vote
0 answers

How to check a Bitcoin wallet balance from first generated address (m/44'/0'/0'/0/0)

Is there a way to check a ...READ MORE

Mar 9, 2022 in Blockchain by Soham
 • 9,700 points • 1,381 views
0 votes
0 answers

How to Query Transaction on Hyperledger Sawtooth?

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

Mar 8, 2022 in Blockchain by Soham
 • 9,700 points • 295 views
0 votes
0 answers

What is the physical location of Blockchain?

 I am new to this technology and ...READ MORE

Mar 8, 2022 in Blockchain by Soham
 • 9,700 points • 211 views
0 votes
0 answers

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
 • 9,700 points • 414 views
0 votes
0 answers

Store Images on/off blockchain? which is better?

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

Mar 4, 2022 in Blockchain by Soham
 • 9,700 points • 262 views
0 votes
0 answers

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
 • 9,700 points • 620 views
0 votes
0 answers

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
 • 9,700 points • 502 views
+1 vote
0 answers

How to check a Bitcoin wallet balance from first generated address (m/44'/0'/0'/0/0)

Is there a way to check a ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,700 points • 1,971 views
0 votes
0 answers

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
 • 9,700 points • 449 views
0 votes
0 answers

Trying To Open Bitcoin Miner On Terminal

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

Mar 4, 2022 in Blockchain by Soham
 • 9,700 points • 273 views
0 votes
0 answers

Blockchain and HyperLedger Fabric difference

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

Mar 3, 2022 in Blockchain by Soham
 • 9,700 points • 241 views
0 votes
0 answers

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 • 236 views
0 votes
0 answers

hd wallet bip44 in js - how to create an address for a chain other than bitcoin?

I have a small script basically taken ...READ MORE

Mar 2, 2022 in Blockchain by Aditya
 • 7,680 points • 853 views
0 votes
0 answers

API - Convert Bitcoin Amount into USD with my Api

After apiv2.bitcoinaverage.com is not free anymore I ...READ MORE

Mar 2, 2022 in Blockchain by Aditya
 • 7,680 points • 867 views
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