Recent questions tagged blockchain

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1 answer

How to get return value from solidity contract?

Aug 16, 2018 in Blockchain by digger
 • 26,740 points • 4,765 views
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1 answer

Function not working from class

Aug 16, 2018 in Blockchain by slayer
 • 29,350 points • 431 views
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How do I change default service names in Corda Demobench?

Aug 14, 2018 in Blockchain by aryya
 • 7,450 points • 558 views
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Planning to deploy IBM bluemix fabric images on Docker, do I need Amazon ECS or EC2 instances?

Aug 14, 2018 in Blockchain by aryya
 • 7,450 points • 494 views
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2 answers

Python syntax error because of version conflicts.

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 962 views
0 votes
1 answer

How to get return value of external function?

Aug 13, 2018 in Blockchain by slayer
 • 29,350 points • 1,658 views
0 votes
1 answer

How to call smart contract methods from transactions?

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 798 views
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1 answer

Encoding integers in solidity

Aug 13, 2018 in Blockchain by slayer
 • 29,350 points • 745 views
0 votes
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How to access member functions of smart contract using web3?

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 1,403 views
0 votes
1 answer

Why does Blockchain comes under Distributed Ledger Technology instead of being merely a replicated database?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 523 views
+1 vote
1 answer

How to create participant and there identities via rest API in Hyperledger Composer?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 2,217 views
0 votes
1 answer

How do I convert to Crystal ruby's multiple assignments of Array

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 577 views
+1 vote
1 answer

Is it possible to exchange the token for other tokens we create in an Ethereum Smart Contract?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 657 views
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1 answer

How to prevent the smart contract from being modified and deployed in Hyperledger network?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 483 views
0 votes
1 answer

How do transactions create a new block in Blockchain?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 1,519 views
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Why do the resultant hash after mining has a leading no. of zeroes in Blockchain verification?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 3,277 views
0 votes
1 answer

How to explore and analyze the data inside a Hyperledger Blockchain network?

Aug 10, 2018 in Blockchain by sabby
 • 4,390 points • 1,027 views
+3 votes
1 answer

Apache Nifi Execute Process Processor

Aug 10, 2018 in Big Data Hadoop by soujanyabargavi
 • 210 points • 3,695 views
0 votes
1 answer

How to add https security for Node js?

Aug 10, 2018 in Blockchain by slayer
 • 29,350 points • 530 views
0 votes
1 answer

How to create light wallet in Web3J?

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,808 views
0 votes
1 answer

Fatal error while installing web3 node.

Aug 10, 2018 in Blockchain by slayer
 • 29,350 points • 1,367 views
0 votes
1 answer

Problem with installing testrpc using python-pip.

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 822 views
0 votes
1 answer

What does _ mean in solidity language?

Aug 10, 2018 in Blockchain by slayer
 • 29,350 points • 2,371 views
0 votes
1 answer

How to use third party contract to send ERC token?

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 741 views
0 votes
1 answer

Truffle Error: Migrations contract constructor expected

Aug 10, 2018 in Blockchain by slayer
 • 29,350 points • 1,363 views
0 votes
1 answer

Fabric-node-sdk 1.2 with Fabric 1.1

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 674 views
0 votes
1 answer

Hyperledger Sawtooth installation JAVA_HOME: path not found

Aug 10, 2018 in Blockchain by slayer
 • 29,350 points • 674 views
0 votes
1 answer

How can Blockchain be implemented for android development?

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 1,049 views
0 votes
1 answer

My first Hyperledger fabric network is not working

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 1,629 views
+1 vote
1 answer

How do i add images in Hyperledger?

Aug 10, 2018 in Blockchain by Shashank
 • 10,400 points • 777 views
0 votes
1 answer

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

Aug 10, 2018 in Blockchain by Shashank
 • 10,400 points • 383 views
0 votes
1 answer

Solidity Error: Member "equal" is not available in type(library Assert) outside of storage

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 702 views
0 votes
2 answers

Truffle migrate gives “ Error: No network specified. ”

Aug 9, 2018 in Blockchain by slayer
 • 29,350 points • 1,445 views
0 votes
1 answer

Ethereum wallet not able to make transaction

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 474 views
0 votes
1 answer

Hyperledger error while installing binaries

Aug 9, 2018 in Blockchain by slayer
 • 29,350 points • 1,450 views
0 votes
1 answer

How to create channels in Hyperledger Sawtooth?

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 1,850 views
0 votes
1 answer

Difference between Fabric Composer and Hyperledger Composer?

Aug 9, 2018 in Blockchain by slayer
 • 29,350 points • 1,045 views
0 votes
1 answer

Building Hyperledger Fabric Blockchain

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 312 views
0 votes
2 answers

Using Hyperledger composer with Hyperledger Blockchain explorer.

Aug 9, 2018 in Blockchain by slayer
 • 29,350 points • 3,071 views
0 votes
2 answers

How to completely uninstall hyperledger composer?

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 4,628 views
0 votes
1 answer

Hyperledger Blockchain Explorer “'Error: no test specified' ” error

Aug 9, 2018 in Blockchain by slayer
 • 29,350 points • 1,369 views
0 votes
1 answer

How do I get updates in every blockchain append?

Aug 9, 2018 in Blockchain by Shashank
 • 10,400 points • 475 views
0 votes
1 answer

How do I validate the presence of participant owner in Asset transfer transaction?

Aug 9, 2018 in Blockchain by Shashank
 • 10,400 points • 1,181 views
0 votes
1 answer

How to solve “Package 'ethereum' has no installation candidate” error?

Aug 8, 2018 in Blockchain by digger
 • 26,740 points • 1,212 views
0 votes
1 answer

How to solve rpc error: code = Unknown desc = timeout expired while starting chaincode error?

Aug 8, 2018 in Blockchain by slayer
 • 29,350 points • 2,338 views
0 votes
1 answer

Truffle tutorials "Error:recipient address is not a contract address"

Aug 8, 2018 in Blockchain by digger
 • 26,740 points • 881 views
0 votes
1 answer

How can a composer fabric business network file, be deployed to the bluemix blockchain service today?

Aug 8, 2018 in Blockchain by Christine
 • 15,790 points • 455 views
0 votes
1 answer

How does a downed peer connects back to the network in a fabric network?

Aug 8, 2018 in Blockchain by Christine
 • 15,790 points • 434 views
0 votes
1 answer

How many blocks does Wavesnet Blockchain have?

Aug 7, 2018 in Blockchain by Shashank
 • 10,400 points • 425 views
0 votes
1 answer

How can I create a feeless ERC-20 token?

Aug 7, 2018 in Blockchain by Shashank
 • 10,400 points • 513 views
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