Most viewed questions in Blockchain

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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 • 493 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
 • 29,350 points • 493 views
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1 answer

Not able to execute a deployed contract?

The problem is that you are not ...READ MORE

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 490 views
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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 • 489 views
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1 answer

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
 • 7,450 points • 489 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
 • 26,740 points • 487 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 • 487 views
0 votes
1 answer

How to create custom accounts in testrpc?

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

Jan 27, 2019 in Blockchain by Omkar
 • 69,230 points • 486 views
0 votes
1 answer

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 • 486 views
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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 • 485 views
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1 answer

python-bittrex missing positional arguments

Looking at the source code from ericsomdahl/python-bittrex For the buy_limit function ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,350 points • 485 views
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1 answer

How to avoid Ethereum Token Name redundancy?

I dont think you can do anything ...READ MORE

Jul 12, 2018 in Blockchain by digger
 • 26,740 points • 485 views
0 votes
1 answer

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 • 483 views
0 votes
1 answer

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 • 483 views
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1 answer

Storing Data on Blockchain

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

Apr 6, 2022 in Blockchain by Aditya
 • 7,680 points • 481 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 • 481 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 • 481 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
 • 7,450 points • 481 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 • 480 views
0 votes
1 answer

Go ethereum: Gradle sync error

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

Oct 24, 2018 in Blockchain by Omkar
 • 69,230 points • 480 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 • 480 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
 • 9,670 points • 479 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 • 479 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
 • 478 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 • 478 views
0 votes
1 answer

Hyperledger error-installation error

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

Apr 5, 2019 in Blockchain by Omkar
 • 69,230 points • 477 views
0 votes
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 • 477 views
0 votes
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
 • 26,740 points • 476 views
0 votes
1 answer

Not able to install Multichain

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

Dec 28, 2018 in Blockchain by Omkar
 • 69,230 points • 475 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 • 474 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 • 474 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
 • 69,230 points • 472 views
0 votes
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
 • 9,670 points • 471 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
 • 9,090 points • 471 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 • 470 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 • 470 views
0 votes
1 answer

why are permissions not stored in blockchain?

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

Jul 10, 2018 in Blockchain by slayer
 • 29,350 points • 470 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 • 470 views
0 votes
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 • 469 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 • 469 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 • 469 views
0 votes
1 answer

Should I encrypt my address before sending bitcoin?

Hey. No, you dont have to encrypt ...READ MORE

Dec 4, 2018 in Blockchain by Omkar
 • 69,230 points • 468 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
 • 69,230 points • 468 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 • 467 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
 • 9,090 points • 467 views
0 votes
1 answer

How to send bitcoins to multiple recipients at once?

To send bitcoins to multiple recipients, you ...READ MORE

Aug 1, 2018 in Blockchain by slayer
 • 29,350 points • 466 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
 • 10,400 points • 466 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 • 465 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 • 464 views
0 votes
1 answer

How to generate addresses from a file rather than specific phase

If the file with the passwords is ...READ MORE

Sep 7, 2018 in Blockchain by MI3
 • 464 views
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