Recent questions tagged blockchain

0 votes
2 answers

Chaincode Installation failed, Hyperledger Fabric

Oct 5, 2020 in Blockchain by Bhuwan
 • 130 points • 5,274 views
0 votes
2 answers

Code to change owner

Sep 26, 2020 in Blockchain by Wilson
 • 140 points • 1,865 views
0 votes
2 answers

Getting error while Initialising the Blockchain

Sep 17, 2020 in Blockchain by Edureka
 • 200 points • 3,247 views
0 votes
1 answer

Solidity: Code to hide message sender address (msg.sender) when writing on a contract

Sep 14, 2020 in Blockchain by Wilson
 • 140 points • 2,005 views
0 votes
0 answers

I got stuck in Blockchain Course. Please Help Me!

Sep 6, 2020 in Blockchain by Arcadius
 • 120 points • 726 views
0 votes
2 answers

Key Advantages of Using Blockchain in Banking

Jul 15, 2020 in Blockchain by blockchainhq
 • 120 points • 1,088 views
0 votes
2 answers

how save data from different account using web3.py to smart contract

Jul 14, 2020 in Blockchain by anonymous
 • 120 points • 1,531 views
0 votes
0 answers

How do I apply Ethereum Private blockchain or Hyperledger Fabric to Healthcare data management/Drug Traceability?

Jul 3, 2020 in Blockchain by pauloshikoya
 • 120 points • 1,179 views
0 votes
1 answer

Blockchain Basic Questions

Jun 29, 2020 in Blockchain by Nikhil
 • 120 points • 1,266 views
0 votes
1 answer

How to create an instance of contract in Truffle console?

Jun 17, 2020 in Blockchain by Edureka
 • 120 points • 2,026 views
0 votes
0 answers

Attach two nodes on different machine via private blockchain (Ethereum)

Jun 9, 2020 in Blockchain by Ritvik
 • 120 points • 1,537 views
0 votes
1 answer

Channel fails to create Hyperledger Fabric

May 26, 2020 in Blockchain by Sara
 • 130 points • 2,111 views
0 votes
2 answers

is there any way of getting all data in hyperledger fabric before we start the ledger

May 22, 2020 in Blockchain by harinishree
 • 150 points • 1,499 views
0 votes
1 answer

Which is the best website to learn Blockchain with Certification?

May 20, 2020 in Career Counselling by kartik
 • 37,520 points • 661 views
+1 vote
1 answer

while I am hitting servies in node js in hyperledger fabric 2.0 I am getting issues like Invalid common connection profile due to missing configuration data

May 14, 2020 in Blockchain by harinishree
 • 150 points • 1,350 views
+1 vote
0 answers

Hyperledger fabric : unable to create channel on raspberry pi 4 with Raft ordering service

May 13, 2020 in Blockchain by Manon
 • 130 points • 1,408 views
0 votes
1 answer

Error: '.' is not recognized as an internal or external command,

May 5, 2020 in Blockchain by kartik
 • 37,520 points • 9,911 views
0 votes
1 answer

Javascript ES6 TypeError: Class constructor Client cannot be invoked without 'new'

May 5, 2020 in Blockchain by kartik
 • 37,520 points • 22,824 views
0 votes
0 answers

Received error response from peer: message=failed to execute transaction 33b63361e1ce528c334ecf9ef70af2c9136c0fcc444d1ead9d24b5bae8c6dc57

May 4, 2020 in Blockchain by Edureka
 • 120 points • 887 views
0 votes
1 answer

I face problem while running hyperledger fabric's sample application "build your first network" byfn.sh giving time out while chaincode installation.

Apr 25, 2020 in Blockchain by SudipDurgapur
 • 140 points • 4,104 views
0 votes
0 answers

how can i add more than one node to mining blocks ??

Apr 12, 2020 in Blockchain by Hicham
 • 120 points • 586 views
0 votes
1 answer

Could not assemble transaction, err proposal response was not successful, error code 500, msg chaincode registration failed: container exited with 0

Apr 8, 2020 in Blockchain by nithin
 • 140 points • 4,105 views
0 votes
1 answer

getting error while starting Hyperleger fabric network on Aws server

Mar 30, 2020 in Blockchain by nithin
 • 140 points • 3,151 views
0 votes
0 answers

How I can connect multiple physical machine with hyperledger fabric??

Mar 12, 2020 in Blockchain by Md
 • 120 points • 1,304 views
0 votes
0 answers

Low_s canonical signature for bitcoin transaction

Mar 3, 2020 in Blockchain by anonymous
 • 120 points • 887 views
0 votes
0 answers

Is there any resource for hyper ledger fabric to learn?

Mar 2, 2020 in Blockchain by anonymous
 • 120 points • 957 views
0 votes
0 answers

Hyperledger Fabric: Average & Max Price FabCar

Mar 1, 2020 in Blockchain by pablobonet
 • 120 points • 724 views
+1 vote
1 answer

How I can Develope a chaincode for generating network admins private and public key using certification authority for each organisation and Is it possible?

Jan 23, 2020 in Blockchain by Rashmirekha
 • 130 points • 998 views
–1 vote
1 answer

how to npm install in node.js

Jan 12, 2020 in Blockchain by anonymous
 • 190 points • 789 views
+1 vote
0 answers

How can i made a ledger-system using hyperledger.

Jan 12, 2020 in Blockchain by anonymous
 • 190 points • 817 views
+1 vote
1 answer

how to creat a privaet blockchain network using ganache step by step process

Jan 12, 2020 in Blockchain by Rohan
 • 190 points • 1,481 views
+1 vote
2 answers

Error 500: mychannel has been migrated to new lifecycle. Chaincode instantiation error.

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 4,441 views
+1 vote
0 answers

Error 500 during instantiation of chaincode for commercial-paper example.

Jan 9, 2020 in Blockchain by Aditya
 • 250 points • 1,778 views
0 votes
0 answers

i am new to hperledger fabric in the offical docs they relased 2.0 version i am geeting error related to tls handshake

Dec 11, 2019 in Blockchain by vineeth
 • 150 points • 597 views
+1 vote
0 answers

not getting real transaction ID only getting temp-transaction ID in fabric-sdk

Nov 14, 2019 in Blockchain by laxman
 • 130 points • 790 views
+1 vote
1 answer

Can we pass string values to the contract which holds bytes 32 only?

Aug 26, 2019 in Blockchain by anonymous
 • 130 points • 1,001 views
+1 vote
0 answers

Can I change the network id in ganache GUI? Is it work for calling the functions in solidity?

Aug 16, 2019 in Blockchain by anonymous
 • 1,272 views
+1 vote
1 answer

Error while sending a transaction from Web3py to a Smart Contract in Remix

Aug 5, 2019 in Blockchain by Yaxir
 • 1,796 views
+1 vote
1 answer

hyperledger fabric: can't find package: github.com/pkg/errors in GOPATH or GOROOT

Aug 3, 2019 in Blockchain by aiga
 • 2,061 views
+2 votes
1 answer

Trying to instantiate chain code on channel

Aug 1, 2019 in Blockchain by Deven
 • 140 points • 1,848 views
0 votes
0 answers

How to use mutual authentication without CA in hyperledger fabric

Jul 29, 2019 in Blockchain by behnaz
 • 120 points • 667 views
0 votes
1 answer

How to include/ install any library in node.js application program?

Jul 26, 2019 in Others by code_ninja
 • 6,300 points • 1,601 views
0 votes
1 answer

how to develop healthcare records using DApp on Blockchain?

Jul 26, 2019 in Blockchain by anonymous
 • 2,496 views
0 votes
0 answers

how to Build Bitcoin address and balance database?

Jul 25, 2019 in Blockchain by Raj
 • 180 points • 1,089 views
+1 vote
1 answer

how to create channels with new orgs in Fabric? getting error: Attempted to include a member which is not in the consortium.

Jul 22, 2019 in Blockchain by ayusht11
 • 3,221 views
+1 vote
0 answers

Metamask popup on Server side (Express js) ?

Jul 15, 2019 in Blockchain by Dzaky
 • 130 points • 1,569 views
+2 votes
1 answer

how to convert hash160 to bitcoin address in python?

Jul 12, 2019 in Blockchain by Raj
 • 180 points • 3,745 views
+1 vote
1 answer

Multichain "Resource temporarily unavailable" error

Jul 10, 2019 in Blockchain by Yashita
 • 756 views
0 votes
1 answer

In assymetric cryptography how and when the sender will share the public key with the receiver?

Jul 3, 2019 in Blockchain by Rasheed
 • 813 views
+1 vote
1 answer

Listing all Bitcoin Miners

Jul 3, 2019 in Blockchain by Tina
 • 700 views
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