Recent questions tagged blockchain

0 votes
1 answer

Error in Chaincodes not getting picked up by ./startFabric.sh

Jul 31, 2018 in Blockchain by Perry
 • 17,100 points • 1,060 views
0 votes
1 answer

Unable to perform an operation in Ethereum private network

Jul 31, 2018 in Blockchain by Perry
 • 17,100 points • 906 views
0 votes
1 answer

Can we custom tokens on Ethereum?

Jul 31, 2018 in Blockchain by shweta
 • 440 points • 460 views
0 votes
1 answer

Hyperledger fabric ./byfn.sh -m up command hangs during execution

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 563 views
0 votes
1 answer

What is approve and allowance method?

Jul 30, 2018 in Blockchain by slayer
 • 29,350 points • 1,623 views
+2 votes
1 answer

How to solve “SyntaxError: unexpected EOF” error in python?

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 4,956 views
+1 vote
8 answers

How to solve “x509: ECDSA verification failure” error?

Jul 30, 2018 in Blockchain by slayer
 • 29,350 points • 8,180 views
0 votes
1 answer

Solidity how to solve “Error Encoding arguments ” error while using create button?

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 3,557 views
0 votes
1 answer

Solidity and Web.js for Ethereum blockchain data

Jul 30, 2018 in Blockchain by slayer
 • 29,350 points • 996 views
0 votes
1 answer

How to extract Ethereum Blockchain data?

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 1,443 views
0 votes
1 answer

Why is there no infinite loop problem in Hyperledger Fabric?

Jul 30, 2018 in Blockchain by slayer
 • 29,350 points • 731 views
0 votes
1 answer

Solidity code to change value of name

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 1,061 views
0 votes
1 answer

Not able to execute a deployed contract?

Jul 30, 2018 in Blockchain by slayer
 • 29,350 points • 485 views
0 votes
1 answer

How to “unrecognized import path error” while using go for hyperledger fabric?

Jul 27, 2018 in Blockchain by digger
 • 26,740 points • 2,438 views
0 votes
1 answer

How to solve “network state unknown. Review successful transactions manually” error?

Jul 27, 2018 in Blockchain by slayer
 • 29,350 points • 1,053 views
0 votes
1 answer

Php code to generate Ethereum wallets.

Jul 27, 2018 in Blockchain by digger
 • 26,740 points • 3,121 views
+2 votes
1 answer

How to store data in Hyperledger Fabric after restart?

Jul 27, 2018 in Blockchain by slayer
 • 29,350 points • 2,804 views
0 votes
1 answer

How to solve “The method personal_newAccount does not exist/is not available” Error?

Jul 27, 2018 in Blockchain by digger
 • 26,740 points • 2,821 views
0 votes
1 answer

Can I use inherited contract in artifacts.require() statement?

Jul 27, 2018 in Blockchain by slayer
 • 29,350 points • 498 views
0 votes
2 answers

How to solve “sender doesn't have enough funds to send tx” error in Ethereum?

Jul 27, 2018 in Blockchain by digger
 • 26,740 points • 5,530 views
0 votes
1 answer

Error in playground while committing transaction on the ledger

Jul 27, 2018 in Blockchain by Mrunal
 • 680 points • 536 views
+1 vote
2 answers

How to get airdropped tokens to Ethereum wallet?

Jul 27, 2018 in Blockchain by slayer
 • 29,350 points • 839 views
0 votes
1 answer

How to modify h2 port in Corda for IntelliJ?

Jul 27, 2018 in Blockchain by digger
 • 26,740 points • 596 views
0 votes
1 answer

How to set chaincode path in Hyperledger Fabric?

Jul 27, 2018 in Blockchain by slayer
 • 29,350 points • 1,681 views
0 votes
1 answer

How to upload or deploy bna file on IBM blockchain service?

Jul 27, 2018 in Blockchain by Shashank
 • 10,400 points • 701 views
0 votes
1 answer

In PBFT view change what happens to committed operations after a valid snapshot?

Jul 27, 2018 in Blockchain by Shashank
 • 10,400 points • 572 views
+17 votes
7 answers

Blockchain Interview Discussion

Jul 26, 2018 in Career Counselling by Omkar
 • 69,230 points • 1,867 views
0 votes
1 answer

How to solve “ltdl.h: No such file or directory” error?

Jul 26, 2018 in Blockchain by digger
 • 26,740 points • 2,826 views
0 votes
3 answers

How to solve “VM Exception while processing transaction: revert” error?

Jul 26, 2018 in Blockchain by slayer
 • 29,350 points • 6,021 views
0 votes
1 answer

What is the expiry time of blockchain wallet address?

Jul 26, 2018 in Blockchain by digger
 • 26,740 points • 975 views
0 votes
1 answer

How to generate events in Hyperledger Fabric?

Jul 26, 2018 in Blockchain by slayer
 • 29,350 points • 1,248 views
+1 vote
2 answers

Can I invoke a chaincode function from the chaincode itself?

Jul 26, 2018 in Blockchain by digger
 • 26,740 points • 3,047 views
0 votes
1 answer

sendProposal - timed out after:45000, sendPeersProposal - Promise is rejected: Error: REQUEST_TIMEOUT

Jul 26, 2018 in Blockchain by sabby
 • 4,390 points • 1,747 views
0 votes
1 answer

How to interact with smart contract in GO?

Jul 26, 2018 in Blockchain by slayer
 • 29,350 points • 2,608 views
0 votes
1 answer

How to create own coins in Blockchain Ethereum wallet?

Jul 26, 2018 in Blockchain by digger
 • 26,740 points • 519 views
0 votes
1 answer

Unable to create a Mist connection to a private Ethereum Blockchain.

Jul 26, 2018 in Blockchain by sabby
 • 4,390 points • 566 views
+1 vote
3 answers

How to solve “Module not found: Error: Can't resolve 'truffle-contract'” error in web3?

Jul 26, 2018 in Blockchain by slayer
 • 29,350 points • 7,143 views
0 votes
1 answer

Error in generating network sample.

Jul 26, 2018 in Blockchain by sabby
 • 4,390 points • 541 views
0 votes
1 answer

Error while generating smart contracts which returns array of struct in Web3j v3.3.1

Jul 26, 2018 in Blockchain by sabby
 • 4,390 points • 1,815 views
+1 vote
1 answer

How to change ports through which hyperledger composer installs runtime?

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 818 views
+1 vote
1 answer

Can I setup hyperledger composer on multiple nodes?

Jul 25, 2018 in Blockchain by slayer
 • 29,350 points • 1,238 views
0 votes
1 answer

Efficiently sorting Ethereum blockchain.

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 773 views
0 votes
1 answer

Zip attachment in Corda: How to read zip file using InputStream?

Jul 25, 2018 in Blockchain by slayer
 • 29,350 points • 1,142 views
0 votes
1 answer

Mining on private Ethereum blockchain

Jul 25, 2018 in Blockchain by Perry
 • 17,100 points • 885 views
0 votes
1 answer

How to solve “More than one instance of bitcore-lib found” error?

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 2,493 views
0 votes
1 answer

Error while adding participant to local application.

Jul 25, 2018 in Blockchain by slayer
 • 29,350 points • 510 views
0 votes
1 answer

What is the process to Create Cryptocurrency for ICO?

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 707 views
0 votes
1 answer

Is {from: thesponsor, value: 10000000, gas: 3000000} considered as a transaction object?

Jul 25, 2018 in Blockchain by slayer
 • 29,350 points • 436 views
0 votes
1 answer

Differences between the composer network and composer identity

Jul 25, 2018 in Blockchain by Perry
 • 17,100 points • 485 views
+1 vote
2 answers

How to configure Endorsement policy in Hyperledger?

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 2,931 views
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