Recent questions tagged blockchain

+2 votes
1 answer

Trying to instantiate chain code on channel

Aug 1, 2019 in Blockchain by Deven
 • 140 points • 2,125 views
0 votes
0 answers

How to use mutual authentication without CA in hyperledger fabric

Jul 29, 2019 in Blockchain by behnaz
 • 120 points • 852 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 • 1,961 views
0 votes
1 answer

how to develop healthcare records using DApp on Blockchain?

Jul 26, 2019 in Blockchain by anonymous
 • 3,039 views
0 votes
0 answers

how to Build Bitcoin address and balance database?

Jul 25, 2019 in Blockchain by Raj
 • 180 points • 1,314 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
 • 3,826 views
+1 vote
0 answers

Metamask popup on Server side (Express js) ?

Jul 15, 2019 in Blockchain by Dzaky
 • 130 points • 1,748 views
+2 votes
1 answer

how to convert hash160 to bitcoin address in python?

Jul 12, 2019 in Blockchain by Raj
 • 180 points • 4,305 views
+1 vote
1 answer

Multichain "Resource temporarily unavailable" error

Jul 10, 2019 in Blockchain by Yashita
 • 1,042 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
 • 1,150 views
+1 vote
1 answer

Listing all Bitcoin Miners

Jul 3, 2019 in Blockchain by Tina
 • 1,000 views
0 votes
1 answer

How can I become a miner in Blockchain?

Jul 3, 2019 in Blockchain by Reshma
 • 3,558 views
0 votes
1 answer

Public and private keys created residing in laptop/mobile while initiating a transaction

Jul 3, 2019 in Blockchain by Vishwa
 • 905 views
0 votes
0 answers

LIVE PODCAST THREAD** (#2 Are Smart contracts really the Future?)

Jun 28, 2019 in Blockchain by Vardhan
 • 13,130 points • 1,165 views
0 votes
0 answers

In R3 Corda I don't know to start the web server port in server?

Jun 26, 2019 in Blockchain by anonymous
 • 1,537 views
0 votes
0 answers

Migrations ran out of gas

Jun 25, 2019 in Blockchain by anonymous
 • 1,389 views
+1 vote
1 answer

Where to download the corda network bootstrapper 3.1 or 3.2 version for r3 corda?

Jun 24, 2019 in Blockchain by anonymous
 • 1,313 views
0 votes
0 answers

Network Parameter and additional node info file in R3 corda?

Jun 21, 2019 in Blockchain by anonymous
 • 898 views
0 votes
1 answer

Using public and private keys for Blockchain transaction

Jun 20, 2019 in Blockchain by Tony
 • 1,386 views
0 votes
0 answers

Couldn't find network parameters file and compatibility zone wasn't configured/isn't reachable

Jun 20, 2019 in Blockchain by anonymous
 • 2,271 views
0 votes
1 answer

If everybody on the network stores a copy of the ledger, can't someone distribute an infected ledger and thus spread viruses etc?

Jun 19, 2019 in Blockchain by Noa
 • 1,547 views
0 votes
0 answers

Is there any API for ether sent transaction in ethereum without using web3.js

Jun 17, 2019 in Blockchain by vishal tyagi
 • 1,569 views
+1 vote
0 answers

Can't call contract function in Remix in Web3 provider mode, but it works in Javascript VM

Jun 15, 2019 in Blockchain by XHQ
 • 2,850 views
+1 vote
2 answers

I get the following error while i run the command ./byfn.sh up. I have tried removing all the containers and updated every required version but still the same error

Jun 11, 2019 in Blockchain by Lelouch
 • 5,158 views
0 votes
1 answer

Trying to implement block-chain payment in website

Jun 11, 2019 in Blockchain by Iris
 • 130 points • 945 views
0 votes
2 answers

web3 accounts coming undefined

Jun 9, 2019 in Blockchain by gaurav
 • 120 points • 2,549 views
0 votes
1 answer

What is geth and solidity in Blockchain?

Jun 8, 2019 in Blockchain by siddu
 • 3,163 views
0 votes
1 answer

Decentralisation and Smart contract

Jun 5, 2019 in Blockchain by Vijayaprasad
 • 150 points • 1,332 views
+1 vote
1 answer

Error: failed to create deliver client: orderer client failed to connect to order.example.com:7050: failed to create new connection: context deadline exceeded

May 30, 2019 in Blockchain by geetha
 • 4,882 views
0 votes
1 answer

What is a Hub and a Node in Selenium Grid?

May 29, 2019 in Selenium by Dharmesh
 • 2,480 views
0 votes
0 answers

Corda - How to check if counter party nodes are running?

May 28, 2019 in Blockchain by Sriram
 • 160 points • 780 views
0 votes
0 answers

Corda - How to check if counter party nodes are running?

May 28, 2019 in Blockchain by Sriram
 • 160 points • 621 views
0 votes
0 answers

What will happen to the transactions with unconsumed states when modified contract is integrated in the network?

May 23, 2019 in Blockchain by Sriram
 • 160 points • 789 views
0 votes
1 answer

Multichain installation error

May 22, 2019 in Blockchain by Jimmy
 • 882 views
+1 vote
1 answer

How the data stored in the blockchain is verified?

May 20, 2019 in Blockchain by mayukha
 • 130 points • 1,101 views
0 votes
4 answers

Cannot find module 'fabric-network' - is my application installation done wrong?

May 20, 2019 in Blockchain by Jeppe
 • 210 points • 5,848 views
0 votes
0 answers

How to add a new organisation to an existing channel in hyperledger fabric without creating a new node/peer for that organisation. Can we add a organisation which does not contain any nodes?

May 2, 2019 in Blockchain by anonymous
 • 5,851 views
0 votes
0 answers

Cannot create crypto materiel with cryptogen command?

Feb 26, 2019 in Blockchain by Tharindu
 • 170 points • 2,170 views
0 votes
0 answers

Hyperledger Fabric: Errors in Deliver and Broadcast services

Feb 22, 2019 in Blockchain by Cha
 • 2,664 views
0 votes
1 answer

Why do I require fabric-kafka and fabric-order containers in same network?

Dec 6, 2018 in Blockchain by Christine
 • 15,750 points • 1,505 views
0 votes
1 answer

What is the docker for windows command for “-v /var/run/docker.sock:/var/run/docker.sock”?

Dec 4, 2018 in DevOps & Agile by Sophie may
 • 10,620 points • 2,513 views
0 votes
1 answer

Truffle npm run dev throws Error: npm ERR! Linux 4.15.0-39-generic

Dec 1, 2018 in Blockchain by digger
 • 26,740 points • 2,797 views
0 votes
1 answer

Hyperledger Sawtooth vs Quorum in concurrency and speed Ask

Sep 26, 2018 in IoT (Internet of Things) by Upasana
 • 8,620 points • 1,855 views
0 votes
1 answer

Truffle tests not running after truffle init

Sep 11, 2018 in Blockchain by sabby
 • 4,370 points • 2,327 views
0 votes
1 answer

What files are supported by BigchainDB?

Aug 14, 2018 in Blockchain by aryya
 • 7,460 points • 866 views
0 votes
1 answer

how to give back each customer a self-defined amount of ether after ICO ends in smart contract?

Aug 1, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,281 views
0 votes
1 answer

Changing a computer IP address using fabric freezing

Jul 20, 2018 in DevOps & Agile by ajs3033
 • 7,300 points • 1,074 views
0 votes
2 answers

Issues while installing Hyperledger Composer

Jul 17, 2018 in Blockchain by peterjeff
 • 120 points • 1,512 views
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