Most viewed questions in Blockchain

0 votes
1 answer

How to use Blockchain receive API without exchange rate?

Your code contains the amount in USD ...READ MORE

Aug 21, 2018 in Blockchain by Perry
 • 17,100 points • 687 views
0 votes
1 answer

capture an event issued by a smart contract and make a web request

Hi, @There, Regarding your query, I suggest you ...READ MORE

Dec 29, 2020 in Blockchain by Gitika
 • 65,910 points • 686 views
0 votes
1 answer

Hyperledger Fabric: How to retrieve success payload via nodejs client?

The channel.sendTransactionProposal generates a Resp ...READ MORE

Oct 30, 2018 in Blockchain by Omkar
 • 69,230 points • 683 views
0 votes
1 answer

Blockchain Usecase - Personal Management Records

1. Channels is a mechanism by which ...READ MORE

Jun 18, 2018 in Blockchain by Christine
 • 15,790 points • 683 views
0 votes
2 answers

Trying to issue tokens on testnet with python API

By looking at - documentation here I think you ...READ MORE

Sep 17, 2018 in Blockchain by Khush
 • 681 views
0 votes
1 answer

Hyperledger Composer rest server NPM versions

The Hyperledger Composer pre-requisites can be installed ...READ MORE

Jul 13, 2018 in Blockchain by Christine
 • 15,790 points • 681 views
0 votes
1 answer

How to run Meteor insert within a Fiber?

Just replace events.watch(function(error, event) { ... }); with events.watch(Meteor.bindEnvironment(function(error, event) ...READ MORE

Sep 28, 2018 in Blockchain by slayer
 • 29,360 points • 680 views
0 votes
1 answer

Android Socket connection to bitcoin node

The checkSum field is mandatory and fellow ...READ MORE

Aug 29, 2018 in Blockchain by slayer
 • 29,360 points • 680 views
0 votes
1 answer

Getting error while building Bitcoind on MAC OS

First of all try building a non-GUI ...READ MORE

Aug 20, 2018 in Blockchain by slayer
 • 29,360 points • 679 views
0 votes
2 answers

Saving a string in python associated with an API

You can create a list and add ...READ MORE

Sep 10, 2018 in Blockchain by Joy
 • 678 views
0 votes
1 answer

Coinbase spot price SSL Error: does not support SSL at Request

Add 'strictSSL': false to the new client: var btcClient = ...READ MORE

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 678 views
0 votes
1 answer

How to check the data integrity logic in proof of work mining?

The proof of work is actually works ...READ MORE

May 8, 2018 in Blockchain by Johnathon
 • 9,090 points • 678 views
0 votes
1 answer

Can I execute distributions in ERC20 tokens on a later stage?

It is best to have a claim ...READ MORE

Nov 2, 2018 in Blockchain by Prerna
 • 1,960 points • 677 views
0 votes
1 answer

Not able to use ERC721 token in my project

Like this error indicates, you have to ...READ MORE

Jan 23, 2019 in Blockchain by Omkar
 • 69,230 points • 675 views
0 votes
1 answer

Hyperledger Composer: REST Server transaction failed but returns 200 status

You need to return the function calls from the ...READ MORE

Nov 6, 2018 in Blockchain by Omkar
 • 69,230 points • 674 views
0 votes
1 answer

How to modify h2 port in Corda for IntelliJ?

When you use IntelliJ, the nodes are ...READ MORE

Jul 27, 2018 in Blockchain by slayer
 • 29,360 points • 674 views
+1 vote
0 answers

How can i made a ledger-system using hyperledger.

Jan 12, 2020 in Blockchain by anonymous
 • 190 points • 673 views
0 votes
1 answer

How to use a chaincode that's not on github?

There are two options: If you are not ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 673 views
+1 vote
1 answer

Permission is denied in Oracle VM when trying to move multichain util, multichaind and multichain-cli from tmp to /usr/local/bin

You will need root permissions to move a file ...READ MORE

Apr 8, 2019 in Blockchain by Omkar
 • 69,230 points • 672 views
0 votes
1 answer

How Hyperledger projects are different from each other?

Hyperledger includes a range of business Blockchain ...READ MORE

Jul 12, 2018 in Blockchain by shweta
 • 440 points • 672 views
+1 vote
1 answer

How to setup testnet environment in Ethereum??

You can connect to a node using ...READ MORE

Apr 18, 2018 in Blockchain by Shashank
 • 10,400 points • 671 views
0 votes
1 answer

What happens if the controller nodes in Corda shuts down, will other nodes function independently?

If the network map goes offline nodes ...READ MORE

Apr 21, 2018 in Blockchain by Perry
 • 17,100 points • 670 views
0 votes
1 answer

How to create a custom fabric environment on ibm blockchain platform VScode

At the moment you can't use the ...READ MORE

Mar 31, 2022 in Blockchain by Rahul
 • 9,680 points • 669 views
0 votes
0 answers

not working eth.sendTransaction

https://www.edureka.co/blog/ethereum-private-network-tutorial/amp/ after below steps, not able to send/transact ...READ MORE

Oct 11, 2021 in Blockchain by rathnamachary
 • 120 points • 668 views
0 votes
1 answer

IBM Container Service blockchain deployment error.

This error might be caused because of ...READ MORE

Jul 10, 2018 in Blockchain by digger
 • 26,740 points • 668 views
0 votes
1 answer

How to swap an Ethereum ERC-20 and Neo NEP5 token with a smart contract?

Each blockchain is its own separated administration. ...READ MORE

Apr 12, 2022 in Blockchain by Soham
 • 9,700 points • 667 views
0 votes
1 answer

SHA256 Hash doesn't match the one listed on Bitcoin Wiki

The problem occurring here is that you ...READ MORE

Feb 28, 2022 in Blockchain by Soham
 • 9,700 points • 667 views
0 votes
1 answer

How can I build a network map cluster in Corda?

Corda community is working to move towards ...READ MORE

Jun 20, 2018 in Blockchain by aryya
 • 7,450 points • 667 views
0 votes
1 answer

Truffle migration error (test rpc is running)

1) Run the following command: npm install -g ...READ MORE

Oct 3, 2018 in Blockchain by slayer
 • 29,360 points • 666 views
0 votes
1 answer

How to handle memory and processor limitations of nodes in blockchain?

Yes, that's a valid concern. The Bitcoin ...READ MORE

Jul 14, 2018 in Blockchain by Shashank
 • 10,400 points • 665 views
0 votes
1 answer

Is it that new bitcoins gets created with the every block mined??

Bitcoin mining means validation of a block ...READ MORE

Apr 21, 2018 in Blockchain by Perry
 • 17,100 points • 665 views
0 votes
1 answer

Different unicode versions on various devices

Apparently this is not possible since you ...READ MORE

Aug 29, 2018 in Blockchain by Christine
 • 15,790 points • 664 views
0 votes
1 answer

If a different chaincode deployed a world state variable, is it still accessible by another chaincode?

No, variables stored by some chaincode (A) ...READ MORE

Apr 4, 2018 in Blockchain by Perry
 • 17,100 points • 664 views
0 votes
1 answer

Error: Tendermint node crash

It's very simple. Just type in the ...READ MORE

Jun 21, 2018 in Blockchain by Christine
 • 15,790 points • 663 views
0 votes
0 answers

Private ethereum blockchain mining on a Raspberry Pi - is it possible?

I am trying to write a private ...READ MORE

Mar 4, 2022 in Blockchain by Soham
 • 9,700 points • 662 views
+1 vote
1 answer

How can nodes interact with a Smart Contract?

If you are using Remix IDE to ...READ MORE

Apr 27, 2018 in Blockchain by Perry
 • 17,100 points • 662 views
0 votes
1 answer

Unable to create a Mist connection to a private Ethereum Blockchain.

You could do the following: 1. Start another ...READ MORE

Jul 26, 2018 in Blockchain by Perry
 • 17,100 points • 661 views
0 votes
1 answer

"set RNG(RandomUtils.Random) before generating random numbers" error

Use the following code, you just have ...READ MORE

Jul 5, 2018 in Blockchain by slayer
 • 29,360 points • 660 views
0 votes
1 answer

Cant locate english.txt file while intalling Python Bitcoin module

This is related to a pybitcointools bug where the ...READ MORE

Aug 30, 2018 in Blockchain by slayer
 • 29,360 points • 659 views
0 votes
1 answer

Error during Hyperledger installation: Manifest peer latest not found

Change the tag from latest to x86_64-1.0.2 in the compose file. ...READ MORE

Jul 13, 2018 in Blockchain by Perry
 • 17,100 points • 659 views
0 votes
1 answer

Hyperledger Fabric 1.0 how to maintain privacy from OSNs?

Yes, OSNs can see all the transaction ...READ MORE

Jul 2, 2018 in Blockchain by Omkar
 • 69,230 points • 658 views
0 votes
1 answer

Send message between two blockchain nodes

The answer is Blockchain as at the ...READ MORE

Mar 24, 2022 in Blockchain by Rahul
 • 9,680 points • 657 views
–1 vote
1 answer

how to npm install in node.js

This blog has a detailed step-wise explanation ...READ MORE

Mar 13, 2020 in Blockchain by Sirajul
 • 59,230 points • 656 views
0 votes
1 answer

Getting world state by value

Worldstate level storage works at the {key,value} ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,450 points • 655 views
0 votes
1 answer

Any security issues in migrating sensitive data in CouchDB to hyperledger composer

Hyperledger Composer and the underlying Hyperledger Fabric ...READ MORE

Aug 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 654 views
–1 vote
1 answer

Truffle migrate network error

When you are running truffle on a ...READ MORE

Jan 18, 2019 in Blockchain by Omkar
 • 69,230 points • 653 views
0 votes
1 answer

Not able to set up the testrpc or geth client on ubuntu

The commands you have used installs Ethereum ...READ MORE

Feb 8, 2019 in Blockchain by Omkar
 • 69,230 points • 652 views
0 votes
0 answers

Network Parameter and additional node info file in R3 corda?

Is that network parameter and additional node ...READ MORE

Jun 21, 2019 in Blockchain by anonymous
 • 651 views
0 votes
1 answer

How to generate coin address using bitcoin-ruby?

The only difference between the addresses is ...READ MORE

Aug 29, 2018 in Blockchain by slayer
 • 29,360 points • 651 views
0 votes
0 answers

Hyperledger Fabric: Average & Max Price FabCar

Hey, I'm using the fabcar project  (https://github.com/IBM/blockchain-application-using-fabric-java-sdk). I ...READ MORE

Mar 1, 2020 in Blockchain by pablobonet
 • 120 points • 650 views
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