Most viewed questions in Blockchain

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1 answer

Include real world data in smart contract

What you are looking for is an ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 1,327 views
0 votes
1 answer

How to remove the previous BlockChain data?

One of the reasons preventing the blockchain ...READ MORE

Jul 3, 2018 in Blockchain by Omkar
 • 69,180 points • 1,326 views
0 votes
1 answer

REQUEST_TIMEOUT when instantiating my mart contarct on IBM blockchain Hyperledger Fabric network IBM. VS CODE is used for Hyperledger Fabric network

 If you're seeing a REQUEST_TIMEOUT error it's ...READ MORE

Apr 12, 2022 in Blockchain by Soham
 • 9,730 points • 1,321 views
0 votes
1 answer

Testrpc can't find log handlers

This doesn't usually happen, maybe the log ...READ MORE

Jan 18, 2019 in Blockchain by Omkar
 • 69,180 points • 1,320 views
0 votes
1 answer

How to add peers on a running Hyperledger Fabric?

You can not use configtxlator tool for ...READ MORE

Jul 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,319 views
0 votes
1 answer

Integrating web3 in cloud functions module

I had this issue and my problem ...READ MORE

Oct 17, 2018 in Blockchain by Perry
 • 17,100 points • 1,318 views
0 votes
1 answer

TypeError: XMLHttpRequest is not a function when using web3 on meteor server side

I had the same problem. Instead ethereum:web3 Meteor package ...READ MORE

Oct 10, 2018 in Blockchain by Omkar
 • 69,180 points • 1,316 views
0 votes
1 answer

How can I build a hexadecimal block if I have all the needed information?

Here you have some articles about bitcoin ...READ MORE

Jul 21, 2018 in Blockchain by Christine
 • 15,750 points • 1,316 views
0 votes
1 answer

How to install Multichain in Windows?

There’s nothing as “installing” multichain in Windows. ...READ MORE

Mar 1, 2019 in Blockchain by Rohit
 • 1,315 views
0 votes
1 answer

Not able to execute fabcar demo in Hyperledger

This can be solved by deleting directory ...READ MORE

Jul 24, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,315 views
0 votes
1 answer

In IBM's Marble demo where are the transactions stored?

When using the Marbles tutorial, there is ...READ MORE

Jun 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,315 views
0 votes
1 answer

Hyperledger Fabric: How to ping network using program?

// http://nodejs.org/api.html#_child_processes var sys = require('sys') var exec = ...READ MORE

Nov 9, 2018 in Blockchain by Omkar
 • 69,180 points • 1,314 views
0 votes
1 answer

Angular 4: not able to iterate over an array

Replace this : <div *ngFor="let price of prices"> ...READ MORE

Sep 3, 2018 in Blockchain by digger
 • 26,740 points • 1,314 views
0 votes
1 answer

How can I use IBM blockchain to store data?

I would recommend looking at the Fabric ...READ MORE

Jul 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,314 views
0 votes
1 answer

How to use Rest API support in local development environment?

Rest API is not available for Hyperledger ...READ MORE

Jul 11, 2018 in Blockchain by slayer
 • 29,370 points • 1,313 views
0 votes
1 answer

What happens to the short chain when the nodes follow the long chain?

This situation occurs every day in the ...READ MORE

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 1,312 views
0 votes
1 answer

Can't open a to big .csv file in python

You can't "split a file", but you can read ...READ MORE

Sep 3, 2018 in Blockchain by slayer
 • 29,370 points • 1,311 views
0 votes
1 answer

How to proceed after connecting with hardcoded node?

I am assuming that by hardcoded nodes ...READ MORE

Aug 28, 2018 in Blockchain by Perry
 • 17,100 points • 1,311 views
0 votes
1 answer

Problem installing bitcoin wallet in Ubuntu.

You install Bitcoind using the following commands: sudo ...READ MORE

Aug 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,311 views
0 votes
1 answer

How to add Bitcoin as currency for my website?

You cannot use BTC as the currency ...READ MORE

Aug 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,310 views
0 votes
1 answer

Handling UI when a trasaction is in pending (MetaMask)

You need to use the state of ...READ MORE

Oct 3, 2018 in Blockchain by digger
 • 26,740 points • 1,308 views
0 votes
1 answer

How to parse Json data from remote server?

Yes, you can do it use the ...READ MORE

Aug 17, 2018 in Blockchain by digger
 • 26,740 points • 1,307 views
+1 vote
1 answer

How do i change the names of validating peers in IBM Bluemix blockchain?

IBM Bluemix Blockchain service Hyperledger Fabric v0.6 will ...READ MORE

Apr 11, 2018 in Blockchain by Perry
 • 1,307 views
0 votes
1 answer

Android Socket connection to bitcoin node

The checkSum field is mandatory and fellow ...READ MORE

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 1,304 views
0 votes
1 answer

How to write a program to get details of ERC tokens?

You can use Javascript with the Metamask ...READ MORE

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 1,303 views
0 votes
1 answer

Truffle does not open console, instead opens truffle.js file

When running truffle commands on Windows system, ...READ MORE

Jan 29, 2019 in Blockchain by Omkar
 • 69,180 points • 1,302 views
0 votes
1 answer

Blockchain PoC Implementation

It depends on your use case like ...READ MORE

Aug 1, 2018 in Blockchain by Christine
 • 15,750 points • 1,302 views
0 votes
1 answer

What is sent to a non-validating notary service when corda transaction is sent?

The transaction is first filtered in the ...READ MORE

Jul 23, 2018 in Blockchain by digger
 • 26,740 points • 1,300 views
0 votes
1 answer

What is the peer node start in hyperledger?

Nodes are the fundamental element of the ...READ MORE

Jul 9, 2018 in Blockchain by digger
 • 26,740 points • 1,298 views
0 votes
1 answer

coin.mx : 403 forbidden error on my web request

I was having the same issue and ...READ MORE

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 1,297 views
0 votes
1 answer

How many blocks does Wavesnet Blockchain have?

This question is old, and you obviously ...READ MORE

Aug 7, 2018 in Blockchain by Perry
 • 17,100 points • 1,297 views
0 votes
1 answer

Where does Hyperledger fabric store the public key and private key of the user?

It signs the transaction with its private key ...READ MORE

Apr 11, 2022 in Blockchain by Rahul
 • 9,690 points • 1,296 views
+1 vote
1 answer

Why is Blockchain called a Disruptive Technology?

Blockchain Technology showed the world a new ...READ MORE

Dec 4, 2018 in Blockchain by Omkar
 • 69,180 points • 1,296 views
0 votes
1 answer

How to solve Corda Node Startup Exception?

The error says "port may be in ...READ MORE

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 1,296 views
0 votes
1 answer

How to update data in Corda?

Yes, in corda you can store data ...READ MORE

Jul 11, 2018 in Blockchain by digger
 • 26,740 points • 1,295 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
 • 15,750 points • 1,295 views
0 votes
1 answer

Why Gas Used By Txn is different when invoking the same function in the same smart contract？

The input data might be different, but ...READ MORE

Sep 25, 2018 in Blockchain by Christine
 • 15,750 points • 1,294 views
0 votes
0 answers

Is there any resource for hyper ledger fabric to learn?

Hi, I have searched all the google sites, ...READ MORE

Mar 2, 2020 in Blockchain by anonymous
 • 120 points • 1,292 views
0 votes
1 answer

In a Blockchain, how difficult is it to modify the third to last block?

Technically, it's not difficult at all, all ...READ MORE

Apr 20, 2018 in Blockchain by Christine
 • 15,750 points • 1,292 views
+1 vote
1 answer

How I can Develope a chaincode for generating network admins private and public key using certification authority for each organisation and Is it possible?

You can follow the steps provided in ...READ MORE

Feb 13, 2020 in Blockchain by Edureka
 • 140 points • 1,289 views
0 votes
1 answer

Ethereum Mist: Compiling Error with sha3

First run: npm install sha3 and then sudo ...READ MORE

Oct 24, 2018 in Blockchain by Omkar
 • 69,180 points • 1,289 views
0 votes
1 answer

Problem with installing testrpc using python-pip.

You are facing this error because you ...READ MORE

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,287 views
0 votes
1 answer

Efficiently sorting Ethereum blockchain.

What you are trying to do is ...READ MORE

Jul 25, 2018 in Blockchain by slayer
 • 29,370 points • 1,286 views
+1 vote
1 answer

How to setup testnet environment in Ethereum??

You can connect to a node using ...READ MORE

Apr 18, 2018 in Blockchain by Shashank
 • 10,400 points • 1,285 views
0 votes
1 answer

How to resolve blockchain dns using Python Requests

BDNS is offline and I don't know if ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
 • 7,680 points • 1,282 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
 • 9,690 points • 1,282 views
0 votes
1 answer

Repeating transactions hangs - web3js, local geth

If you are sending transactions back-to-back from ...READ MORE

Sep 24, 2018 in Blockchain by digger
 • 26,740 points • 1,282 views
0 votes
1 answer

Sawtooth Javascript SDK "Batchlist rejected" error

What you can do is use intkey-client to the ...READ MORE

Sep 19, 2018 in Blockchain by digger
 • 26,740 points • 1,282 views
0 votes
1 answer

how do we register our assets in hyperledger?

First of all, the chaincode (or smart ...READ MORE

May 26, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,282 views
0 votes
1 answer

Hyperledger composer: How to include relationship in custom query?

You are trying to use filter={"include":"resolve"} in Composer Query. ...READ MORE

Nov 16, 2018 in Blockchain by Omkar
 • 69,180 points • 1,281 views
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