Most viewed questions in Blockchain

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What is the difference between o and --> in Fabric Composer?

'o' indicates has-a relationship '-->' indicates pass by ...READ MORE

Aug 25, 2018 in Blockchain by Perry
• 17,100 points
509 views
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1 answer

How to prevent the smart contract from being modified and deployed in Hyperledger network?

Smart contracts can be definitive if they ...READ MORE

Aug 10, 2018 in Blockchain by Perry
• 17,100 points
509 views
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Can a hacker change data of a smart sontract without call contract function?

A contract's content cannot be changed internally. ...READ MORE

Apr 8, 2018 in Blockchain by Shashank
• 10,400 points
509 views
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Can I use inherited contract in artifacts.require() statement?

Yes, this code will work just fine. ...READ MORE

Jul 27, 2018 in Blockchain by digger
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508 views
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Go ethereum: Gradle sync error

Try the below code : maven { ...READ MORE

Oct 24, 2018 in Blockchain by Omkar
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505 views
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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
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505 views
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Smart contract limitations in Ethereum and Hyperledger Fabric

No, the contract cannot sign on behave of B. A ...READ MORE

Sep 11, 2018 in Blockchain by Christine
• 15,790 points
505 views
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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
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504 views
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1 answer

Not able to install Multichain

Hi. It seems you have changed some ...READ MORE

Dec 28, 2018 in Blockchain by Omkar
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504 views
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How to configure diverse workloads and tasks?

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

Aug 28, 2018 in Blockchain by Johnathon
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504 views
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2 answers

How is a transaction public key related to original public?

The details like account balance, nonce etc., ...READ MORE

Jul 24, 2018 in Blockchain by digger
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504 views
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Blockchain: send payments to faucetbox

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

Sep 7, 2018 in Blockchain by Vicky
503 views
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What does "Using network 'develop'" mean?

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

Jul 17, 2018 in Blockchain by slayer
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502 views
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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
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500 views
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How to make my Dapp work on regular browsers?

There are ethereum supporting browsers like Metamask, ...READ MORE

Jun 20, 2018 in Blockchain by aryya
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499 views
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Storing Data on Blockchain

Yes, this is correct that if you ...READ MORE

Apr 6, 2022 in Blockchain by Aditya
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498 views
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Differences between the composer network and composer identity

'Composer Network' represents the business network entity. ...READ MORE

Jul 25, 2018 in Blockchain by Johnathon
• 9,090 points
498 views
+1 vote
1 answer

How can I achieve a functionality where an action is performed after a payment is received?

See this can be achieved in more ...READ MORE

Apr 21, 2018 in Blockchain by Perry
• 17,100 points
498 views
0 votes
1 answer

Real time refreshing app using Angular2

You can use client side normal polling. ...READ MORE

Aug 27, 2018 in Blockchain by digger
• 26,740 points
497 views
+1 vote
1 answer

How is Blockchain used for provenance purposes?

Let me tell you how Blockchain could ...READ MORE

Apr 4, 2018 in Blockchain by Shashank
• 10,400 points
497 views
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1 answer

Blockchair - dump files does not contain decimal bitcoin values

The result in the dump file is ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
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496 views
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1 answer

Using zCash through BitcoinJ

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

Apr 12, 2022 in Blockchain by Rahul
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495 views
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How to create custom accounts in testrpc?

Yes, you can use testrpc to do ...READ MORE

Jan 27, 2019 in Blockchain by Omkar
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495 views
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1 answer

IBM Blockchain cant retrieving multiple rows from table

You can not use the older implementation ...READ MORE

Jul 5, 2018 in Blockchain by digger
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495 views
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1 answer

Hyperledger error-installation error

Hey, there is a thread for the ...READ MORE

Apr 5, 2019 in Blockchain by Omkar
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493 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
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492 views
0 votes
1 answer

How to achieve consensus with peers from different departments?

Defining one MSP to represent each division. ...READ MORE

Jul 16, 2018 in Blockchain by digger
• 26,740 points
492 views
+1 vote
1 answer

Transaction using Blockchain wallet APi

Each transaction requires a fee to be ...READ MORE

Jun 19, 2018 in Blockchain by Perry
• 17,100 points
492 views
0 votes
1 answer

Current JSON package to retrieve info from links

public static String btcvalue(){ ...READ MORE

Sep 6, 2018 in Blockchain by slayer
• 29,350 points
491 views
+1 vote
1 answer

How do I develop enterprise solutions using hyperledger composer?

With IBM cloud you can use containers, ...READ MORE

May 15, 2018 in Blockchain by Shashank
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491 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
• 69,230 points
490 views
+1 vote
1 answer

How does different blockchains differs on the basis of protocols?

Blockchain platforms differs in more than many ...READ MORE

Apr 4, 2018 in Blockchain by Shashank
• 10,400 points
490 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
• 29,350 points
489 views
0 votes
1 answer

How do I get updates in every blockchain append?

If you are really want to get ...READ MORE

Aug 9, 2018 in Blockchain by aryya
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489 views
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1 answer

Can not add peer in local ethereum blockchain

You have port 30305 running in your ...READ MORE

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

Ethereum Advance token sample

Using > instead of >= is a ...READ MORE

Nov 2, 2018 in Blockchain by Christine
• 15,790 points
488 views
0 votes
1 answer

Ethereum contract hangs on AWS

Please check the memory consumption for docker ...READ MORE

Dec 31, 2018 in Blockchain by Omkar
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487 views
0 votes
1 answer

How does this Ethereum Console output mean?

I have divided the output into different ...READ MORE

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

Permisssible platform suitable for C

There are many implementations of Blockchain like ...READ MORE

Jun 27, 2018 in Blockchain by Shashank
• 10,400 points
487 views
0 votes
1 answer

Can we say that Applications on hyperledger fabric are centralized?

In practice, you would expect every Org ...READ MORE

May 29, 2018 in Blockchain by Johnathon
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485 views
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1 answer

How to solve "Failed to get identity 'admin'" error?

It seems like this error is caused ...READ MORE

Jul 13, 2018 in Blockchain by slayer
• 29,350 points
484 views
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why are permissions not stored in blockchain?

When a channel is created, the configurations ...READ MORE

Jul 10, 2018 in Blockchain by slayer
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482 views
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what is the meaning of the term 'airdrops' in cryptocurrency?

Cryptocurrency vocabulary is difficult to pin down. ...READ MORE

Apr 12, 2022 in Blockchain by Rahul
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481 views
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What is the mean Hash Encryption?

Hash encryption is a form of providing ...READ MORE

Dec 4, 2018 in Blockchain by Omkar
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481 views
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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
481 views
+1 vote
1 answer

In public blockchains each computer normal user maintain the ledger, is it scalable enough to do so?

To access or use the blockchain you ...READ MORE

Apr 12, 2018 in Blockchain by Johnathon
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481 views
0 votes
1 answer

CryptoCurrency NODE.js Web3 Ethereum - Can't connect to TESTRPC

Your connection is working. To return an ...READ MORE

Apr 12, 2022 in Blockchain by Soham
• 9,700 points
480 views
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1 answer

How can I verify my bitcoin transaction independently?

Transactions are first, verified by the miners, and ...READ MORE

Apr 8, 2022 in Blockchain by Rahul
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480 views
0 votes
1 answer

How can a composer fabric business network file, be deployed to the bluemix blockchain service today?

You can use Composer with the Bluemix ...READ MORE

Aug 8, 2018 in Blockchain by Johnathon
• 9,090 points
480 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
479 views