Most viewed questions in Blockchain

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

Aug 1, 2022 in Blockchain by anonymous
 • 300 points • 472 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
 • 9,670 points • 472 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 • 472 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
 • 29,350 points • 472 views
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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 • 472 views
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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
 • 471 views
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1 answer

Implementing Giveaways in Blockchain

I have found a similar question. The ...READ MORE

Aug 17, 2018 in Blockchain by digger
 • 26,740 points • 471 views
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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 • 471 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 • 471 views
+1 vote
0 answers

I am trying to replace the fabric-CA with External-CA to work in keep fabric in production environment, in Hyper-ledger fabric any suggestions?

Hi  can, i know how you implemented ...READ MORE

Jul 23, 2019 in Blockchain by anonymous
edited Jul 23, 2019 • 470 views
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1 answer

What is the mean Hash Encryption?

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

Dec 4, 2018 in Blockchain by Omkar
 • 69,230 points • 468 views
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how can i add more than one node to mining blocks ??

i created 6 nodes whit one node ...READ MORE

Apr 12, 2020 in Blockchain by Hicham
 • 120 points • 467 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
 • 69,230 points • 467 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 • 467 views
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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 • 467 views
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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 • 466 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 • 466 views
0 votes
1 answer

How proof work prevents rebuilding of blockchain?

POS has the same idea as POW. ...READ MORE

Jul 24, 2018 in Blockchain by Shashank
 • 10,400 points • 466 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 • 466 views
0 votes
1 answer

Bitcoin - BitGO - Save all wallet objects into Array of Objects

 After noticing your following code: docs.forEach(function(address) { console.log(address); var ...READ MORE

Apr 12, 2022 in Blockchain by Soham
 • 9,700 points • 465 views
0 votes
1 answer

sellprice and buyprice fixing in smart contract.

It is due to the fact you ...READ MORE

Oct 17, 2018 in Blockchain by Christine
 • 15,790 points • 465 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 • 464 views
0 votes
1 answer

Not able to send payments using Blockchain API.

Try the following code. It should help ...READ MORE

Jul 31, 2018 in Blockchain by slayer
 • 29,350 points • 464 views
0 votes
1 answer

How does the consensus happen in Saas based blockchain application?

I will be maintaining the database at ...READ MORE

Jul 20, 2018 in Blockchain by aryya
 • 7,450 points • 464 views
0 votes
1 answer

How to decrypt result of query when using the Hyperledger Client SDK for Node.js

In this case, it is just a ...READ MORE

Sep 18, 2018 in Blockchain by slayer
 • 29,350 points • 463 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
 • 7,450 points • 463 views
0 votes
1 answer

How does the architecture of a blockchain search work?

Hey there! There is no architecture called ...READ MORE

Mar 28, 2019 in Blockchain by Suman
 • 462 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
 • 69,230 points • 462 views
0 votes
1 answer

How to return data on execution of invoke function?

You can do this using a response ...READ MORE

Jul 23, 2018 in Blockchain by digger
 • 26,740 points • 461 views
0 votes
0 answers

Blake2b-512 with ED25519 in PHP with NanoSalt library (Nano Crypto)

I have been trying to generate a Nano ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,700 points • 459 views
0 votes
1 answer

Why is it downloading the blocks when I am trying to deploy the ethereum private network?

Once you have installed the Ethereum wallet, ...READ MORE

May 3, 2018 in Blockchain by Shashank
 • 10,400 points • 459 views
0 votes
0 answers

i am new to hperledger fabric in the offical docs they relased 2.0 version i am geeting error related to tls handshake

when i create channel it showing error READ MORE

Dec 11, 2019 in Blockchain by vineeth
 • 150 points • 458 views
0 votes
0 answers

how can i integrate fog computing simulation tools and Blockchain for research purpose

Jun 21, 2019 in Blockchain by anonymous
 • 120 points • 458 views
0 votes
1 answer

How to reduce a random hash to a boolean value

Take the largest or smallest bit from ...READ MORE

Oct 30, 2018 in Blockchain by Christine
 • 15,790 points • 456 views
0 votes
1 answer

What files are supported by BigchainDB?

BigchainDB supports .json file format. It can ...READ MORE

Feb 26, 2019 in Blockchain by anonymous
 • 454 views
0 votes
1 answer

How to send ethers to a contract?

Transfer of tokens means you will deduct ...READ MORE

Jul 25, 2018 in Blockchain by charlie_brown
 • 7,720 points • 454 views
+1 vote
1 answer

truffle compile

Try running the truffle commands as root. ...READ MORE

May 9, 2019 in Blockchain by Omkar
 • 69,230 points • 453 views
0 votes
1 answer

Generating cryptocoin address.

30 in decimal will give you a ...READ MORE

Aug 23, 2018 in Blockchain by slayer
 • 29,350 points • 452 views
0 votes
1 answer

How to choose which function is called first in Node Js

You can do something like: infuraProvider.getBlockNumber().then(function(blockNumber) { ...READ MORE

Oct 8, 2018 in Blockchain by Omkar
 • 69,230 points • 451 views
0 votes
1 answer

How to use Proc/lamba returned from a method in Ruby?

You need to remove the colon: list.select(&valid_transaction) The & ...READ MORE

Aug 24, 2018 in Blockchain by digger
 • 26,740 points • 451 views
0 votes
1 answer

How to track changes of an object in exonum?

You have to describe each component in ...READ MORE

Jul 23, 2018 in Blockchain by slayer
 • 29,350 points • 451 views
0 votes
1 answer

bitcoin to currency converter and it's reverse in php

Ok, you can get the value by ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
 • 9,670 points • 449 views
0 votes
1 answer

Where do we execute Smart Contracts on Hyperledger Fabric?

Take a look here: http://hyperledger-fabric.readthedocs.io/en/latest/txflow.html Hyperledger Fabric has 2 ...READ MORE

Aug 1, 2018 in Blockchain by Christine
 • 15,790 points • 449 views
0 votes
1 answer

Is there a pricing calculator for azure-blockchain-workbench or azure baas using hyperledger fabric?

The cost of Blockchain Workbench is an ...READ MORE

Apr 11, 2022 in Blockchain by Rahul
 • 9,670 points • 448 views
0 votes
1 answer

Multichain: Make every miner participate in the validation.

By default 30% is the minimum number ...READ MORE

Mar 1, 2019 in Blockchain by Omkar
 • 69,230 points • 448 views
0 votes
1 answer

Blockchain ToBTC API not returning Php variable

Seems like you have a syntax error ...READ MORE

Sep 20, 2018 in Blockchain by digger
 • 26,740 points • 448 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 • 448 views
0 votes
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
 • 29,350 points • 448 views
0 votes
1 answer

Hyperledger Composer: Not able to query fabric.

Add another rule to .acl file to ...READ MORE

Nov 12, 2018 in Blockchain by Omkar
 • 69,230 points • 447 views
0 votes
1 answer

How does a downed peer connects back to the network in a fabric network?

This might be due to the expected ...READ MORE

Aug 8, 2018 in Blockchain by Johnathon
 • 9,090 points • 447 views
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