Recent questions tagged blockchain

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3 answers

Hyperledger fabcar sample fabric error: sendPeersProposal - Promise is rejected: Error: Connect Failed

Jul 20, 2018 in Blockchain by charlie_brown
 • 7,720 points • 3,193 views
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1 answer

How does the consensus happen in Saas based blockchain application?

Jul 20, 2018 in Blockchain by charlie_brown
 • 7,720 points • 689 views
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1 answer

How to setup rule in ACL file of Hyperledger Composer to validate against enum?

Jul 19, 2018 in Blockchain by sabby
 • 4,370 points • 1,390 views
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How to retrieve data from an Ethereum Block?

Jul 19, 2018 in Blockchain by sabby
 • 4,370 points • 2,725 views
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Which is the best decentralized storage apps?

Jul 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 696 views
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1 answer

Why hyperledger REST server has PUT method?

Jul 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 635 views
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1 answer

How can I change endorsement policies in hyperledger?

Jul 19, 2018 in Blockchain by Shashank
 • 10,400 points • 1,300 views
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1 answer

How do I get the total amount sent to an address?

Jul 19, 2018 in Blockchain by Shashank
 • 10,400 points • 924 views
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1 answer

How to change Endorsement policies

Jul 18, 2018 in Blockchain by aryya
 • 7,460 points • 814 views
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1 answer

How to use Blockchain to store government records?

Jul 18, 2018 in Blockchain by aryya
 • 7,460 points • 583 views
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1 answer

What is the purpose of Blockchain Technology?

Jul 18, 2018 in Blockchain by whatsinname
 • 280 points • 1,657 views
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1 answer

Can we store encrypted data into transaction?

Jul 17, 2018 in Blockchain by sabby
 • 4,370 points • 684 views
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1 answer

GetState query via chaincode always returns empty value

Jul 17, 2018 in Blockchain by sabby
 • 4,370 points • 1,754 views
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1 answer

Getting error while trying to submit a transaction on hyperledger playground

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,119 views
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1 answer

How do I calculate number of full nodes in bitcoins/altcoins?

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,440 views
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Can someone help me conceptualizing blockchain for supply chain demo?

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 854 views
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1 answer

How blockchain hides it's HTML source?

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,235 views
0 votes
1 answer

Sorting data into appropriate key in an object

Jul 17, 2018 in Blockchain by charlie_brown
 • 7,720 points • 646 views
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1 answer

How to understand transaction verification in blockchain

Jul 17, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,208 views
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1 answer

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

Jul 17, 2018 in Blockchain by charlie_brown
 • 7,720 points • 649 views
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1 answer

Is it possible to claim Bitcoin Cash from an exchange that does not support it?

Jul 17, 2018 in Blockchain by charlie_brown
 • 7,720 points • 767 views
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1 answer

How to solve "'Asset:org.acme.trading.Commodity' does not exist" error?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 641 views
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1 answer

How to limit execution of smart contract only to my dapp?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 689 views
0 votes
1 answer

How to make Geth transactions faster?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 1,742 views
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1 answer

What does "Using network 'develop'" mean?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 677 views
0 votes
1 answer

How to build a non-payment application using Ethereum blockchain?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 696 views
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1 answer

How to solve "error trying install composer runtime" in Hyperledger composer?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 917 views
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1 answer

Where can i get bitcoins for testing?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 543 views
0 votes
1 answer

How to retain the container state after shutdown/restart of Hyperledger Fabric network?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 2,476 views
0 votes
1 answer

Can smart contract be altered after deployment?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 619 views
0 votes
1 answer

How do nodes communicate with each other in hyperledger?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 1,560 views
0 votes
1 answer

What happens to the short chain when the nodes follow the long chain?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 1,036 views
0 votes
1 answer

How to call external data using smart contracts?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 1,722 views
0 votes
1 answer

How to achieve consensus with peers from different departments?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 661 views
+1 vote
5 answers

How to solve "truffle: command not found" error in blockchain?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 12,047 views
0 votes
1 answer

How to generate new address for blockchain wallet?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 3,331 views
0 votes
1 answer

Can i use HTTP GET to call external service in Hyperledger Composer?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 602 views
0 votes
1 answer

How to interact with blockchain using Java web app?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 1,240 views
0 votes
1 answer

How to get peer admin's certificate and key on Bluemix?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 1,192 views
0 votes
1 answer

How to extract h160 address of bitcoin blockchain?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 2,585 views
0 votes
1 answer

How are unique public address generated in bitcoin?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 821 views
0 votes
1 answer

Unable to request channel creation using Rest Api

Jul 16, 2018 in Blockchain by sabby
 • 4,370 points • 914 views
0 votes
1 answer

Hyperledger Fabric V1.0 Application using Java SDK Client for is waiting indefinitely when invoking chaincode

Jul 16, 2018 in Blockchain by sabby
 • 4,370 points • 1,362 views
0 votes
1 answer

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

Jul 14, 2018 in Blockchain by aryya
 • 7,460 points • 868 views
0 votes
1 answer

How is computational and electricity wastage be avoided other than successful bitcoin miner?

Jul 14, 2018 in Blockchain by aryya
 • 7,460 points • 480 views
0 votes
1 answer

Where does Hyperledger Fabric store the database for the Blockchain?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 2,381 views
0 votes
1 answer

Hyperledger: How to test endorsement policy for the business network in multiple organizations?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,375 views
0 votes
1 answer

In a non-cryptocurrency implementation of Blockchain, how to successfully mine a node?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 549 views
0 votes
1 answer

What is the purpose of Blockchain Technology?

Jul 13, 2018 in Blockchain by whatsinname
 • 280 points • 10,648 views
0 votes
1 answer

Error during Hyperledger installation: Manifest peer latest not found

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 759 views
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