Recent questions tagged blockchain

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1 answer

Solidity difference array with and without new keyword.

Aug 16, 2018 in Blockchain by slayer
 • 29,370 points • 1,646 views
0 votes
1 answer

How to get return value from solidity contract?

Aug 16, 2018 in Blockchain by digger
 • 26,740 points • 5,039 views
0 votes
1 answer

Function not working from class

Aug 16, 2018 in Blockchain by slayer
 • 29,370 points • 625 views
0 votes
1 answer

How do I change default service names in Corda Demobench?

Aug 14, 2018 in Blockchain by aryya
 • 7,460 points • 760 views
0 votes
1 answer

Planning to deploy IBM bluemix fabric images on Docker, do I need Amazon ECS or EC2 instances?

Aug 14, 2018 in Blockchain by aryya
 • 7,460 points • 749 views
0 votes
2 answers

Python syntax error because of version conflicts.

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 1,333 views
0 votes
1 answer

How to get return value of external function?

Aug 13, 2018 in Blockchain by slayer
 • 29,370 points • 1,927 views
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1 answer

How to call smart contract methods from transactions?

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 1,158 views
0 votes
1 answer

Encoding integers in solidity

Aug 13, 2018 in Blockchain by slayer
 • 29,370 points • 993 views
0 votes
1 answer

How to access member functions of smart contract using web3?

Aug 13, 2018 in Blockchain by digger
 • 26,740 points • 1,595 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
 • 4,370 points • 816 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
 • 4,370 points • 2,440 views
0 votes
1 answer

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

Aug 10, 2018 in Blockchain by sabby
 • 4,370 points • 894 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
 • 4,370 points • 928 views
0 votes
1 answer

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

Aug 10, 2018 in Blockchain by sabby
 • 4,370 points • 760 views
0 votes
1 answer

How do transactions create a new block in Blockchain?

Aug 10, 2018 in Blockchain by sabby
 • 4,370 points • 1,851 views
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1 answer

Why do the resultant hash after mining has a leading no. of zeroes in Blockchain verification?

Aug 10, 2018 in Blockchain by sabby
 • 4,370 points • 3,745 views
0 votes
1 answer

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

Aug 10, 2018 in Blockchain by sabby
 • 4,370 points • 1,314 views
+3 votes
1 answer

Apache Nifi Execute Process Processor

Aug 10, 2018 in Big Data Hadoop by soujanyabargavi
 • 210 points • 4,148 views
0 votes
1 answer

How to add https security for Node js?

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 813 views
0 votes
1 answer

How to create light wallet in Web3J?

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 2,099 views
0 votes
1 answer

Fatal error while installing web3 node.

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,592 views
0 votes
1 answer

Problem with installing testrpc using python-pip.

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,014 views
0 votes
1 answer

What does _ mean in solidity language?

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,759 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 • 1,040 views
0 votes
1 answer

Truffle Error: Migrations contract constructor expected

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,604 views
0 votes
1 answer

Fabric-node-sdk 1.2 with Fabric 1.1

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 867 views
0 votes
1 answer

Hyperledger Sawtooth installation JAVA_HOME: path not found

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 826 views
0 votes
1 answer

How can Blockchain be implemented for android development?

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 1,211 views
0 votes
1 answer

My first Hyperledger fabric network is not working

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 1,959 views
0 votes
1 answer

Support for ES6 modules syntax on IBM bluemix

Aug 10, 2018 in DevOps on Cloud by Atul
 • 10,240 points • 737 views
+1 vote
1 answer

How do i add images in Hyperledger?

Aug 10, 2018 in Blockchain by Shashank
 • 10,400 points • 943 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 • 498 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 • 837 views
0 votes
2 answers

Truffle migrate gives “ Error: No network specified. ”

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,708 views
0 votes
1 answer

Ethereum wallet not able to make transaction

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 638 views
0 votes
1 answer

Hyperledger error while installing binaries

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,650 views
0 votes
1 answer

How to create channels in Hyperledger Sawtooth?

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 2,211 views
0 votes
1 answer

Difference between Fabric Composer and Hyperledger Composer?

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,385 views
0 votes
1 answer

Building Hyperledger Fabric Blockchain

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 532 views
0 votes
2 answers

Using Hyperledger composer with Hyperledger Blockchain explorer.

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 3,549 views
0 votes
2 answers

How to completely uninstall hyperledger composer?

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 5,066 views
0 votes
1 answer

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

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,633 views
0 votes
1 answer

How do I get updates in every blockchain append?

Aug 9, 2018 in Blockchain by Shashank
 • 10,400 points • 683 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 • 1,458 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 • 1,478 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
 • 29,370 points • 2,700 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 • 1,131 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 • 721 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 • 738 views
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