Recent questions tagged blockchain

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1 answer

How is consensus achieved in a Hyperledger Fabric?

Jun 29, 2018 in Blockchain by digger
 • 26,740 points • 1,330 views
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1 answer

"stateHash" vs. "previousBlockHash" in blockchain.

Jun 29, 2018 in Blockchain by digger
 • 26,740 points • 822 views
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Error: Error trying to ping. Error: Error trying to query business network. Error: Connect Failed

Jun 28, 2018 in Blockchain by sabby
 • 4,370 points • 1,716 views
+1 vote
1 answer

How to write an ERC 721 contract?

Jun 28, 2018 in Blockchain by sabby
 • 4,370 points • 3,233 views
+1 vote
1 answer

Does the client know which peer approves/supports its transaction in Hyperledger Fabric?

Jun 27, 2018 in Blockchain by slayer
 • 29,370 points • 838 views
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2 answers

How can I make transactions to a blockchain from a remote device(like a cell phone)?

Jun 27, 2018 in Blockchain by slayer
 • 29,370 points • 1,072 views
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1 answer

How to plug MSP,Consensus, Ordering service in Hyperledger Fabric?

Jun 27, 2018 in Blockchain by digger
 • 26,740 points • 1,343 views
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Getting world state by value

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 833 views
0 votes
1 answer

How to efficiently hash (SHA 256) in golang data where only the last few bytes changes

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 5,594 views
0 votes
1 answer

Hyperledger Fabric: "No go in PATH" error.

Jun 27, 2018 in Blockchain by digger
 • 26,740 points • 1,567 views
0 votes
1 answer

Can't install remote HTTP chaincode

Jun 27, 2018 in Blockchain by slayer
 • 29,370 points • 899 views
0 votes
1 answer

Can't import "blockchain.info" to Node.js.. Need help.

Jun 27, 2018 in Blockchain by digger
 • 26,740 points • 1,145 views
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1 answer

How to fix "failed to execute script docker compose" error on windows 7?

Jun 27, 2018 in Blockchain by slayer
 • 29,370 points • 22,489 views
0 votes
1 answer

How can I create a blockchain for keeping records?

Jun 27, 2018 in Blockchain by sabby
 • 4,370 points • 1,021 views
0 votes
1 answer

How to search inside List for a specific value?

Jun 27, 2018 in Blockchain by sabby
 • 4,370 points • 926 views
+1 vote
2 answers

How to convert INT to STRING in Solidity?

Jun 27, 2018 in Blockchain by sabby
 • 4,370 points • 12,621 views
0 votes
1 answer

How to use Blockchain to store records and secure transactions between government and users and also between 2 users?

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 642 views
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1 answer

Issue to run curl command in windows 7 Docker Quickstart Terminal

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 968 views
0 votes
1 answer

Ethereum Token Nam Redundancy

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 529 views
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1 answer

Where can I find the reference format for crypto-config.yaml and configtx.yaml Hyperledger Fabric files?

Jun 27, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,442 views
0 votes
1 answer

How do I implement Blockchain in my project

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 998 views
0 votes
1 answer

What path should I give for credentials in web3j?

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 995 views
0 votes
1 answer

Error while running make command using Fabric 1.0.6

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,128 views
0 votes
1 answer

How to retrieve data from a block to a blockchain?

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 4,021 views
0 votes
1 answer

How to create tokens in smart contracts from node.js?

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,721 views
0 votes
1 answer

Permisssible platform suitable for C

Jun 27, 2018 in Blockchain by Johnathon
 • 9,090 points • 687 views
0 votes
1 answer

Changing block time on Quorum.

Jun 27, 2018 in Blockchain by slayer
 • 29,370 points • 1,141 views
0 votes
1 answer

How should I set my mac for Installing Hyperledger Composer Playground?

Jun 26, 2018 in Blockchain by Johnathon
 • 9,090 points • 501 views
+2 votes
1 answer

What are the wallet path credentials for Web3j?

Jun 26, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,012 views
+1 vote
1 answer

Can there be multiple Hyperledger Fabric CA servers in the same blockchain?

Jun 26, 2018 in Blockchain by digger
 • 26,740 points • 2,309 views
0 votes
1 answer

How many people are mining bitcoins all over the world?

Jun 25, 2018 in Blockchain by digger
 • 26,740 points • 1,215 views
0 votes
1 answer

I wish to know about the data storage in blockchain

Jun 22, 2018 in Blockchain by Shashank
 • 10,400 points • 671 views
0 votes
1 answer

In hyperledger, how many number of ordering node can take up a transaction?

Jun 22, 2018 in Blockchain by Shashank
 • 10,400 points • 1,341 views
0 votes
1 answer

Windows not able to recognize Monax command

Jun 22, 2018 in Blockchain by Shashank
 • 10,400 points • 869 views
0 votes
1 answer

Error: t: Instance org.acme.seller.Car#HW7722 missing required field oldOwner

Jun 21, 2018 in Blockchain by nsv999
 • 5,500 points • 1,461 views
0 votes
1 answer

Error: Tendermint node crash

Jun 21, 2018 in Blockchain by nsv999
 • 5,500 points • 867 views
0 votes
1 answer

Hyperledger : Deploying chaincode successful. But, cannot query - says ResourceNotFound

Jun 21, 2018 in Blockchain by aryya
 • 7,460 points • 1,037 views
0 votes
1 answer

Not able to use IBM Blockchain services after Bluemix 1.0 update (Hyperledger 0.6)

Jun 21, 2018 in Blockchain by aryya
 • 7,460 points • 786 views
0 votes
1 answer

How can I build a network map cluster in Corda?

Jun 20, 2018 in Blockchain by Perry
 • 17,100 points • 816 views
0 votes
1 answer

How to make my Dapp work on regular browsers?

Jun 20, 2018 in Blockchain by Perry
 • 17,100 points • 672 views
+14 votes
4 answers

Difference between hyperledger fabric and sawtooth?

Jun 19, 2018 in Blockchain by Christine
 • 15,790 points • 9,369 views
0 votes
1 answer

In IBM's Marble demo where are the transactions stored?

Jun 19, 2018 in Blockchain by Shashank
 • 10,400 points • 1,035 views
0 votes
1 answer

jQuery/ajax - two separate API requests with combined results

Jun 19, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,062 views
0 votes
1 answer

Web3j v3.3.1 : Error while generating compiled solidity smart contracts which returns array of struct

Jun 19, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,709 views
0 votes
1 answer

Can we protect a Private Blockchain with a Public Blockchain and how?

Jun 19, 2018 in Blockchain by nsv999
 • 5,500 points • 689 views
0 votes
1 answer

Çannot implement web3.eth.subscribe on Web3 version 1.0.0-beta.27

Jun 19, 2018 in Blockchain by nsv999
 • 5,500 points • 2,089 views
+1 vote
5 answers

Does Hyperledger remove asset actually remove anything?

Jun 19, 2018 in Blockchain by aryya
 • 7,460 points • 3,727 views
0 votes
1 answer

NPM Error While Installing Lisk Dependencies

Jun 19, 2018 in Blockchain by aryya
 • 7,460 points • 731 views
0 votes
1 answer

Blockchain Usecase - Personal Management Records

Jun 18, 2018 in Blockchain by nsv999
 • 5,500 points • 919 views
0 votes
1 answer

"Blocking waiting for file lock on the registry index"

Jun 18, 2018 in Blockchain by nsv999
 • 5,500 points • 1,433 views
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