Most viewed questions in Blockchain

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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
466 views
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1 answer

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
• 26,740 points
466 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
466 views
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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
465 views
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Transaction using Blockchain wallet APi

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

Jun 19, 2018 in Blockchain by Perry
• 17,100 points
464 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
463 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
462 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
• 7,680 points
461 views
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(bitcoin) Calculate hash from getwork function - how to do it?

This is correct as there is a ...READ MORE

Feb 28, 2022 in Blockchain by Soham
• 9,700 points
460 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
459 views
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Hyperledger error-installation error

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

Apr 5, 2019 in Blockchain by Omkar
• 69,210 points
459 views
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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
459 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
458 views
0 votes
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
456 views
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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
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456 views
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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
455 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
455 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
454 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
454 views
0 votes
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Testing Ask a question

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

Aug 1, 2022 in Blockchain by anonymous
• 300 points
453 views
+1 vote
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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
453 views
0 votes
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Different ways of using multichain runtime parameters

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

Mar 1, 2019 in Blockchain by Omkar
• 69,210 points
452 views
0 votes
1 answer

Hyperledger Fabric: unable to check out source code from gerrit.hyperledger.org

There's something wrong with your SSH key. ...READ MORE

Nov 15, 2018 in Blockchain by Omkar
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452 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
• 69,210 points
451 views
0 votes
1 answer

"could not find test.properties" error in Hyperledger v1.0

There is no java sdk for your ...READ MORE

Jul 5, 2018 in Blockchain by digger
• 26,740 points
451 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
450 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
450 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
450 views
0 votes
1 answer

Can we custom tokens on Ethereum?

Yes, it is possible. You need to ...READ MORE

Jul 31, 2018 in Blockchain by Mohini
• 260 points
450 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
450 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
449 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
449 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
448 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
448 views
+1 vote
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0 votes
1 answer

Go ethereum: Gradle sync error

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

Oct 24, 2018 in Blockchain by Omkar
• 69,210 points
446 views
0 votes
1 answer

How to receive JSON object via POST method?

You need to decode it with json_decode() like this $json ...READ MORE

Aug 28, 2018 in Blockchain by slayer
• 29,350 points
445 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
445 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
444 views
0 votes
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
• 9,670 points
444 views
0 votes
1 answer

Hyperledger fabric: vagrant up in devenv fails

This is a problem with vagrant 1.9.3: You ...READ MORE

Oct 29, 2018 in Blockchain by Omkar
• 69,210 points
444 views
0 votes
1 answer

Blockchain Hyperledger private key not able to send coins

From the code you posted, if(whichType == TX_SCRIPTHASH){//pay ...READ MORE

Sep 14, 2018 in Blockchain by digger
• 26,740 points
444 views
0 votes
1 answer

Windows not able to recognize Monax command

You probably know this already but support ...READ MORE

Jun 22, 2018 in Blockchain by Johnathon
• 9,090 points
444 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
443 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
• 69,210 points
443 views
0 votes
1 answer

Hyperledger composer: network start gives no output

You are using -v as your option ...READ MORE

Nov 5, 2018 in Blockchain by Omkar
• 69,210 points
443 views
0 votes
1 answer

How to get results by running the voting code on Ethereum?

In mist go to your contract and ...READ MORE

Sep 18, 2018 in Blockchain by digger
• 26,740 points
443 views
0 votes
1 answer

BITCOIN TO USD API

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

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

JSON valid numerical param in Perl

Use 0.0 + sprintf('%.8f', $btc), 0.0 + $data{'amount'} READ MORE

Sep 11, 2018 in Blockchain by digger
• 26,740 points
442 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
441 views