Recent questions tagged blockchain

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1 answer

Fatal error while installing web3 node.

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,663 views
0 votes
1 answer

Problem with installing testrpc using python-pip.

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 1,052 views
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1 answer

What does _ mean in solidity language?

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 2,832 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 • 1,119 views
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1 answer

Truffle Error: Migrations contract constructor expected

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,677 views
0 votes
1 answer

Fabric-node-sdk 1.2 with Fabric 1.1

Aug 10, 2018 in Blockchain by digger
 • 26,740 points • 894 views
0 votes
1 answer

Hyperledger Sawtooth installation JAVA_HOME: path not found

Aug 10, 2018 in Blockchain by slayer
 • 29,370 points • 862 views
0 votes
1 answer

How can Blockchain be implemented for android development?

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 1,247 views
0 votes
1 answer

My first Hyperledger fabric network is not working

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 2,069 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 • 816 views
+1 vote
1 answer

How do i add images in Hyperledger?

Aug 10, 2018 in Blockchain by Shashank
 • 10,400 points • 970 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 • 520 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 • 866 views
0 votes
2 answers

Truffle migrate gives “ Error: No network specified. ”

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,798 views
0 votes
1 answer

Ethereum wallet not able to make transaction

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 664 views
0 votes
1 answer

Hyperledger error while installing binaries

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,702 views
0 votes
1 answer

How to create channels in Hyperledger Sawtooth?

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 2,258 views
0 votes
1 answer

Difference between Fabric Composer and Hyperledger Composer?

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,457 views
0 votes
1 answer

Building Hyperledger Fabric Blockchain

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 606 views
0 votes
2 answers

Using Hyperledger composer with Hyperledger Blockchain explorer.

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 3,699 views
0 votes
2 answers

How to completely uninstall hyperledger composer?

Aug 9, 2018 in Blockchain by digger
 • 26,740 points • 5,196 views
0 votes
1 answer

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

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,709 views
0 votes
1 answer

How do I get updates in every blockchain append?

Aug 9, 2018 in Blockchain by Shashank
 • 10,400 points • 767 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 • 1,558 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 • 1,551 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 • 2,780 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 • 1,174 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 • 811 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 • 815 views
0 votes
1 answer

How many blocks does Wavesnet Blockchain have?

Aug 7, 2018 in Blockchain by Shashank
 • 10,400 points • 894 views
0 votes
1 answer

How can I create a feeless ERC-20 token?

Aug 7, 2018 in Blockchain by Shashank
 • 10,400 points • 729 views
+1 vote
1 answer

Can one pay ICO's token to an ICO consultant?

Aug 6, 2018 in Blockchain by sabby
 • 4,370 points • 869 views
+1 vote
4 answers

Trying to connect to Cryptocompare's websocket stream using socketIO from a Python client

Aug 6, 2018 in Blockchain by sabby
 • 4,370 points • 3,603 views
0 votes
1 answer

Why we should create two connection profiles for one organization, i.e 1. Org1 only and Org1 and Org2 ?

Aug 6, 2018 in Blockchain by charlie_brown
 • 7,720 points • 857 views
0 votes
1 answer

IPFS transaction cost as a decentralized service

Aug 3, 2018 in Blockchain by sabby
 • 4,370 points • 1,312 views
0 votes
1 answer

How do I withdraw the balance from a contract on Ethereum test blockchain?

Aug 3, 2018 in Blockchain by sabby
 • 4,370 points • 2,728 views
0 votes
1 answer

IBM BLUEMIX BLOCKCHAIN SDK-DEMO failing

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 703 views
0 votes
1 answer

How is running the asset_management.go different from running a simple chaincode like chaincode_example02.go

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 963 views
0 votes
1 answer

How to debug chaincode? LedgerError - ResourceNotFound

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 1,438 views
0 votes
1 answer

“Error getting chaincode package bytes” when deploying chaincode on hyperledger via REST

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 1,720 views
0 votes
1 answer

How to use a chaincode that's not on github?

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 963 views
0 votes
1 answer

Fabric composer integration with Bluemix blockchain service

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 782 views
0 votes
1 answer

Any security issues in migrating sensitive data in CouchDB to hyperledger composer

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 759 views
0 votes
1 answer

Could I share ledger between channels in hyperledger?

Aug 3, 2018 in Blockchain by aryya
 • 7,460 points • 1,084 views
+1 vote
1 answer

Error attempting installing ethermint

Aug 2, 2018 in Blockchain by Johnathon
 • 9,090 points • 933 views
+1 vote
1 answer

How do I check the history of my ethereum wallet using blockchain API?

Aug 2, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,356 views
0 votes
1 answer

How to deploy hyperledger fabric in production level?

Aug 2, 2018 in Blockchain by Christine
 • 15,790 points • 3,172 views
0 votes
1 answer

How to set up hyperledger fabric on 2 different PCs?

Aug 2, 2018 in Blockchain by Christine
 • 15,790 points • 1,535 views
0 votes
1 answer

Invalid Batch or signature in Savtooth

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 1,090 views
0 votes
1 answer

How to solve “insufficient funds for gas * price + value” error?

Aug 1, 2018 in Blockchain by digger
 • 26,740 points • 5,794 views
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