Recent questions tagged blockchain

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1 answer

GetState query via chaincode always returns empty value

Jul 17, 2018 in Blockchain by sabby
 • 4,370 points • 1,701 views
0 votes
1 answer

Getting error while trying to submit a transaction on hyperledger playground

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,091 views
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How do I calculate number of full nodes in bitcoins/altcoins?

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,353 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 • 816 views
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How blockchain hides it's HTML source?

Jul 17, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,209 views
0 votes
1 answer

Sorting data into appropriate key in an object

Jul 17, 2018 in Blockchain by charlie_brown
 • 7,720 points • 611 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 • 1,152 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 • 587 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 • 738 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 • 601 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 • 653 views
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1 answer

How to make Geth transactions faster?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 1,692 views
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1 answer

What does "Using network 'develop'" mean?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 635 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 • 657 views
0 votes
1 answer

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

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 896 views
0 votes
1 answer

Where can i get bitcoins for testing?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 498 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 • 2,426 views
0 votes
1 answer

Can smart contract be altered after deployment?

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 578 views
0 votes
1 answer

How do nodes communicate with each other in hyperledger?

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 1,520 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 • 982 views
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1 answer

How to call external data using smart contracts?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 1,670 views
0 votes
1 answer

How to achieve consensus with peers from different departments?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 636 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 • 11,946 views
0 votes
1 answer

How to generate new address for blockchain wallet?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 3,277 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 • 557 views
0 votes
1 answer

How to interact with blockchain using Java web app?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 1,185 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 • 1,102 views
0 votes
1 answer

How to extract h160 address of bitcoin blockchain?

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 2,555 views
0 votes
1 answer

How are unique public address generated in bitcoin?

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 771 views
0 votes
1 answer

Unable to request channel creation using Rest Api

Jul 16, 2018 in Blockchain by sabby
 • 4,370 points • 873 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 • 1,298 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 • 836 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 • 452 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 • 2,356 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 • 1,313 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 • 521 views
0 votes
1 answer

What is the purpose of Blockchain Technology?

Jul 13, 2018 in Blockchain by whatsinname
 • 280 points • 10,589 views
0 votes
1 answer

Error during Hyperledger installation: Manifest peer latest not found

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 737 views
0 votes
1 answer

How to check Bitcoin Wallet ?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,372 views
0 votes
1 answer

Transaction Id in Bitcoin Blockchain

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,013 views
0 votes
1 answer

Hyperledger Composer rest server NPM versions

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 830 views
0 votes
1 answer

Blockchain Python Syntax Error

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 887 views
0 votes
1 answer

How do I start mining on my private chain?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,740 views
0 votes
1 answer

Hyperledger-Fabric Endorsement Policy: What are Members and Admins?

Jul 13, 2018 in Blockchain by sabby
 • 4,370 points • 1,016 views
0 votes
1 answer

How to solve Corda Node Startup Exception?

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 921 views
0 votes
1 answer

How to solve "Failed to get identity 'admin'" error?

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 644 views
+1 vote
2 answers

How to solve Hyperledger Fabric "error endorsing chaincode" error?

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 4,654 views
0 votes
1 answer

What is the difference between Blockchin and Bitcoin

Jul 13, 2018 in Blockchain by Mrunal
 • 680 points • 2,103 views
0 votes
1 answer

What if I change Chaincode state in invokeChaincode?

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 1,013 views
0 votes
1 answer

What is transientMap in node.js and getTransient in chaincode?

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 1,352 views
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