Most viewed questions in Blockchain

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Node.js blockchain bitcoin api

So I want to use this: (taken ...READ MORE

Apr 4, 2022 in Blockchain by Rahul
• 9,670 points
413 views
0 votes
1 answer

How does the consensus mechanism work for a SaaS based blockchain?

Blockchain doesn't have the client-server architecture that ...READ MORE

Aug 1, 2018 in Blockchain by Christine
• 15,790 points
412 views
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1 answer

I need all Ethereum smart contracts

Have a look at EIP165. It allows you ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
• 7,720 points
412 views
0 votes
1 answer

Blockchain/decentralized apps development intro

If you are looking for books, try ...READ MORE

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

Sorting data into appropriate key in an object

I think that your code has an ...READ MORE

Jul 17, 2018 in Blockchain by aryya
• 7,450 points
410 views
0 votes
1 answer

Blockchain POC on DApps in Java

You could be a little more specific ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
• 7,680 points
408 views
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1 answer

PHP. Bitcoin to Ukrainian Hrivna price ticker

I would suggest, that instead of dividing ...READ MORE

Apr 7, 2022 in Blockchain by Aditya
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408 views
0 votes
1 answer

How can I store picture in hypereldger channel?

Design of relationships between assets, participants and ...READ MORE

Aug 21, 2018 in Blockchain by Perry
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407 views
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1 answer

Where to find the private key of a member in azure blockchain service?

As per the article, the method used ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
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406 views
0 votes
1 answer

Google API post request to IBM blockchain error

You have specified query as parameter to method and function but if you ...READ MORE

Sep 14, 2018 in Blockchain by digger
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406 views
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1 answer

Problems using system() commands under Windows

You need to have double \ for ...READ MORE

Sep 5, 2018 in Blockchain by digger
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406 views
0 votes
1 answer

How to use Blockchain to store government records?

As I understood you are planning to ...READ MORE

Jul 18, 2018 in Blockchain by charlie_brown
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406 views
+2 votes
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Doubt regarding Initialising a Blockchain [closed]

Whenever Iam trying to run the command: /home/vashist/go-ethereum/build/bin/geth ...READ MORE

Jan 5, 2020 in Blockchain by vt
• 210 points

closed Jan 6, 2020 by Kalgi 405 views
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1 answer

Are there any plans for composer, to make usage of the recently released Side DB feature?

As of yet, it isn't supported by ...READ MORE

Aug 25, 2018 in Blockchain by Perry
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405 views
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Candlestick chart on bitcoinwisdom

In searching bitcoinwisdom's forums, I found a ...READ MORE

Apr 6, 2022 in Blockchain by Aditya
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404 views
0 votes
1 answer

Cant extract hyperledger artifacts

Simplify the PATH first. In a CMD, type: set PATH=C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\ set ...READ MORE

Oct 29, 2018 in Blockchain by Omkar
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403 views
0 votes
1 answer

WireTransaction type mismatch in Corda.

On M14. checkSignature should take a DigitalSignature.WithKey.. ...READ MORE

Jul 11, 2018 in Blockchain by digger
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403 views
0 votes
1 answer

Why do we not use Istanbul Byzantine Fault Tolerance (IBFT) in Public Blockchains?

The use of the IBFT consensus involves ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
• 9,670 points
402 views
+1 vote
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0 votes
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In a non-cryptocurrency implementation of Blockchain, how to successfully mine a node?

Difficulty is a property of the blockchain, ...READ MORE

Jul 13, 2018 in Blockchain by Perry
• 17,100 points
401 views
0 votes
1 answer

Hyperledger Composer: How to query using string?

You can try this: query selectReading { ...READ MORE

Nov 9, 2018 in Blockchain by Omkar
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400 views
0 votes
1 answer

Should I require a specific condition when working with indexes in Solidity?

You are using it correctly. require is intended to ...READ MORE

Jul 17, 2018 in Blockchain by aryya
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399 views
0 votes
1 answer

How to add liquidity for an inflationary cryptocurrency

This is the process of the functioning ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
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398 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
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398 views
0 votes
1 answer

To capture events do we need to create assets using transaction processing functions?

I think you have figured it by ...READ MORE

Aug 10, 2018 in Blockchain by Christine
• 15,790 points
398 views
0 votes
1 answer

Transfer the gas value of contract to my own address

Works fine for me: pragma solidity ^0.4.0; contract Test ...READ MORE

Oct 10, 2018 in Blockchain by Omkar
• 69,230 points
394 views
0 votes
1 answer

Hyperledger Composer Incompatible versions error

The versions are same. Maybe its a ...READ MORE

Oct 24, 2018 in Blockchain by Omkar
• 69,230 points
393 views
0 votes
1 answer

MtGox Gem Failing to Login

Try using a smaller nonce for v1 ...READ MORE

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

How do i add images in hyperledger?

In your registry, you can Base64-ify your ...READ MORE

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

understanding cryptocoins mining profit calculation

 The problem is that the miner you ...READ MORE

Apr 12, 2022 in Blockchain by Rahul
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391 views
0 votes
1 answer

Running blockchain script in a one liner

This is a direct translation of the ...READ MORE

Sep 18, 2018 in Blockchain by slayer
• 29,350 points
390 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
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388 views
0 votes
1 answer
0 votes
1 answer

Syntax Error running on Python

You are missing the closing parenthesis: hashlib.sha256(self.index + ...READ MORE

Sep 21, 2018 in Blockchain by digger
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387 views
0 votes
1 answer

How to use two different APIs to get combined results?

You can use nesting of function to ...READ MORE

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

NBitcoin throws InvalidOperationException with the message: “Mac HMACSHA256 not recognised.”

If someone would like to figure out ...READ MORE

Aug 27, 2018 in Blockchain by digger
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386 views
0 votes
1 answer

Crypto Currency ICO process

To answer your question, only for the ...READ MORE

Feb 28, 2022 in Blockchain by Soham
• 9,700 points
385 views
0 votes
1 answer

difference between running docker image in and outside of vagrant

Most people recommend to run docker containers ...READ MORE

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

Account not listed in the Deploy Contract screen?

You need to get an initial allocated ...READ MORE

Jun 4, 2018 in Blockchain by Perry
• 17,100 points
383 views
0 votes
1 answer

When I create public getters (committed code), my contract exceeds code size limit

Are you pushing info one by one ...READ MORE

Dec 31, 2018 in Blockchain by Omkar
• 69,230 points
382 views
0 votes
1 answer

SteemJS not working in Firefox/IE

npm install adcpm/steem#dev Just build it from develop ...READ MORE

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

How to set bitcoin reward less than 1 coin?

Coin is defined here: https://github.com/bitcoin/bitcoin/blob/master/src/amount.h#L16 static const CAmount COIN ...READ MORE

Aug 22, 2018 in Blockchain by digger
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381 views
0 votes
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Blockchain peer not able to min block in Azure.

After trying out various ideas, making sure ...READ MORE

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

Access variables through auto-generated getters from a different contract

You just need to pass it in ...READ MORE

Oct 3, 2018 in Blockchain by slayer
• 29,350 points
378 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
377 views
0 votes
1 answer

Truffle migrate Server Error

Seems like truffle didn't find a server. ...READ MORE

Jan 18, 2019 in Blockchain by Omkar
• 69,230 points
376 views
0 votes
1 answer

Hyperledger Farbic: Deploying business network definition

Try to clean everything using the below ...READ MORE

Nov 13, 2018 in Blockchain by Omkar
• 69,230 points
376 views
0 votes
1 answer

Ethereum Token Nam Redundancy

From my experience no, the trick is ...READ MORE

Jun 27, 2018 in Blockchain by aryya
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375 views
0 votes
1 answer

What technologies can be used to build private blockchain technologies?

Blockchain could be private or public. There ...READ MORE

May 8, 2018 in Blockchain by Robbie
373 views
0 votes
1 answer

Currency Conversion using PHP

 An example of converting EUR to USD ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
• 9,670 points
372 views