Most viewed questions in Blockchain

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Creating an account with web3.js v0.2.6

The answer is let a=web3.personal.newAccount('!@superpassword') H ...READ MORE

Oct 9, 2018 in Blockchain by Omkar
 • 69,180 points • 994 views
0 votes
1 answer

Hyperledger Fabric: peer creation no ordering service endpoint created error

You have to pass an orderer in ...READ MORE

Nov 15, 2018 in Blockchain by Omkar
 • 69,180 points • 990 views
0 votes
1 answer

Error while adding participant to local application.

Do the following to solve the problem composer ...READ MORE

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 989 views
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1 answer

Can i use HTTP GET to call external service in Hyperledger Composer?

Right now, the Hyperledger Composer supports only ...READ MORE

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 986 views
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1 answer

Why is Nubits faster than Bitcoin?

Different implementation of blockchain can have different ...READ MORE

Jul 11, 2018 in Blockchain by digger
 • 26,740 points • 986 views
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1 answer

Why is off-chain transaction used?

Though on-chain transactions secure data, off-chain transactions ...READ MORE

Feb 13, 2019 in Blockchain by Omkar
 • 69,180 points • 985 views
0 votes
1 answer

Why visual studio 2015 can not open blockchain api project on github

If you look in the solution file ...READ MORE

Jul 24, 2018 in Blockchain by aryya
 • 7,460 points • 985 views
0 votes
1 answer

How will I know the result of Fabric Transaction from application client?

When a transaction happens, a proposal response ...READ MORE

Feb 5, 2019 in Blockchain by Omkar
 • 69,180 points • 984 views
0 votes
1 answer

Why do people prefer mining Litecoin over Bitcoin?

The main reason people prefer mining Litecoin ...READ MORE

Sep 21, 2018 in Blockchain by slayer
 • 29,370 points • 984 views
0 votes
1 answer

I wish to know about the data storage in blockchain

That string would be stored in the ...READ MORE

Jun 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 984 views
+1 vote
1 answer

Need to convert bitcoin address function from php to Jquery

Use AJAX. It will be easier to ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 983 views
0 votes
1 answer

Blockchain: send payments to faucetbox

well there it is its work but ...READ MORE

Sep 7, 2018 in Blockchain by Vicky
 • 982 views
0 votes
1 answer

Trying to implement block-chain payment in website

There are many plugins that you can ...READ MORE

Jun 11, 2019 in Blockchain by Tina
 • 981 views
0 votes
1 answer

How to send JSON object from npm module to browser

A simple solution for this would be ...READ MORE

Sep 20, 2018 in Blockchain by digger
 • 26,740 points • 981 views
0 votes
1 answer

Does the contract hosting account owns ether that is being sent to contract too??

I dont think so. I've done a ...READ MORE

May 22, 2018 in Blockchain by Johnathon
 • 9,090 points • 981 views
0 votes
1 answer

How to define different privacy for different users in Fabric 1.0?

The privacy restriction to particular peers in ...READ MORE

Jul 6, 2018 in Blockchain by digger
 • 26,740 points • 980 views
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1 answer

Function not working from class

Try this code:  // Add new block ...READ MORE

Aug 16, 2018 in Blockchain by digger
 • 26,740 points • 979 views
0 votes
1 answer

Where actual blockchain state data stored : in memory , in file or in database?

Bitcoin nodes keep the raw block data ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
 • 7,680 points • 978 views
0 votes
1 answer

Web3j: Writing operations on a contract always throw “java.lang.ArrayIndexOutOfBoundsException”

That exception is thrown when you pass ...READ MORE

Oct 1, 2018 in Blockchain by slayer
 • 29,370 points • 978 views
0 votes
1 answer

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

It signs the transaction (eg. initiated by ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
 • 9,690 points • 976 views
0 votes
1 answer

How to Read multiple value from as JSON format from a external service and store in composer registry

Hey buddy,  this works: /** * Track temperatures ...READ MORE

Sep 19, 2018 in Blockchain by digger
 • 26,740 points • 976 views
0 votes
1 answer

I am not able to change array elements globally

Remove the constant modifier from getArray(). constant functions do not write state ...READ MORE

Oct 9, 2018 in Blockchain by Omkar
 • 69,180 points • 974 views
0 votes
1 answer

Different ways of using multichain runtime parameters

There are two more ways of using ...READ MORE

Mar 1, 2019 in Blockchain by Omkar
 • 69,180 points • 973 views
0 votes
1 answer

IBM BLUEMIX BLOCKCHAIN SDK-DEMO failing

These types of intermittent issues are usually ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 972 views
0 votes
1 answer

Can cryptocurrency work without blockchain technology?

Cryptocurrency do not compulsorily require blockchain.. What ...READ MORE

Jul 11, 2018 in Blockchain by slayer
 • 29,370 points • 972 views
0 votes
1 answer

Where do we execute Smart Contracts on Hyperledger Fabric?

Hyperledger Fabric has 2 basic types of ...READ MORE

Aug 1, 2018 in Blockchain by Christine
 • 15,750 points • 971 views
0 votes
1 answer

Hyperledger Fabric : How to initialise a 2D array in .cto file?

You could try something like this, with ...READ MORE

Oct 30, 2018 in Blockchain by Omkar
 • 69,180 points • 970 views
0 votes
1 answer

How to convert Bitcoin rate to USD?

You can use blockchain.info API: URL: https://blockchain.info/ticker Response: { "USD" ...READ MORE

Aug 21, 2018 in Blockchain by slayer
 • 29,370 points • 970 views
0 votes
1 answer

How can I get into the development of blockchain decentralized applications?

try Microsoft Blockchain as a service, they ...READ MORE

Jun 30, 2018 in Blockchain by Shashank
 • 10,400 points • 970 views
0 votes
1 answer

Getting error during “truffle migrate” for an ethereum contract on testrpc

Can you just try to give network ...READ MORE

Sep 27, 2018 in Blockchain by slayer
 • 29,370 points • 968 views
0 votes
1 answer

Ethereum wallet not able to make transaction

I can see that the nonce you ...READ MORE

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 968 views
0 votes
1 answer

Generic put and get in hyperledger fabric

For this, you have to write a ...READ MORE

Jul 6, 2018 in Blockchain by digger
 • 26,740 points • 968 views
0 votes
1 answer

Bitcoin sendfrom does not process transaction

Try this; $wammount = floatval(trim($_POST['wammount'])); READ MORE

Sep 3, 2018 in Blockchain by digger
 • 26,740 points • 967 views
0 votes
1 answer

BITCOIN payments, OP_RETURN parameter

Try doing the server side via encrypted ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
 • 9,690 points • 966 views
0 votes
1 answer

What does "Using network 'develop'" mean?

It means that the name of the ...READ MORE

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 965 views
0 votes
2 answers

Difference between various blockchain protocols

There are several differences between those blockchain ...READ MORE

Apr 6, 2022 in Blockchain by Aditya
 • 7,680 points • 964 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
 • 9,730 points • 962 views
0 votes
1 answer

How to configure diverse workloads and tasks?

Golem appears to be in early stages of ...READ MORE

Aug 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 962 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 • 960 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 • 959 views
+1 vote
1 answer

Ethereum vs Hyperledger: Which is better for business networks?

Hyperledger is preferred for B2B business and ...READ MORE

Sep 20, 2018 in Blockchain by digger
 • 26,740 points • 957 views
0 votes
1 answer

Using zCash through BitcoinJ

Your code isn't accounting for the format ...READ MORE

Apr 12, 2022 in Blockchain by Rahul
 • 9,690 points • 956 views
0 votes
1 answer

How to store cryptocurrency balance without causing floating point errors in ruby/rails

 I suggest storing the values as integers. ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
 • 7,680 points • 956 views
+1 vote
1 answer

Node.js API wrapper for altcoin exchange

In order to pass these variables to ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 956 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
 • 9,730 points • 955 views
0 votes
1 answer

Cant set Remix IDE to work on testrpc

As I can see that you are ...READ MORE

Dec 11, 2018 in Blockchain by Omkar
 • 69,180 points • 955 views
0 votes
1 answer

Setting up Hyperledger Fabric Application with IBM Cloud.

You have to develop your "Client" application ...READ MORE

Nov 6, 2018 in Blockchain by Perry
 • 17,100 points • 953 views
0 votes
1 answer

IRS demo Scheduled Event - InitiationHandler

The TODO you are looking for has ...READ MORE

Jul 6, 2018 in Blockchain by slayer
 • 29,370 points • 953 views
0 votes
1 answer

How feasible is it to use one way cryptographic hash function?

you can use the ouput hash function ...READ MORE

May 8, 2018 in Blockchain by Johnathon
 • 9,090 points • 953 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 • 952 views
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