Recent questions tagged blockchain

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

Jun 20, 2019 in Blockchain by anonymous
 • 1,532 views
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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
 • 750 views
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Is there any API for ether sent transaction in ethereum without using web3.js

Jun 17, 2019 in Blockchain by vishal tyagi
 • 1,062 views
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Can't call contract function in Remix in Web3 provider mode, but it works in Javascript VM

Jun 15, 2019 in Blockchain by XHQ
 • 2,244 views
+1 vote
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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
 • 4,126 views
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1 answer

Trying to implement block-chain payment in website

Jun 11, 2019 in Blockchain by Iris
 • 130 points • 539 views
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2 answers

web3 accounts coming undefined

Jun 9, 2019 in Blockchain by gaurav
 • 120 points • 1,970 views
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1 answer

What is geth and solidity in Blockchain?

Jun 8, 2019 in Blockchain by siddu
 • 2,399 views
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1 answer

Decentralisation and Smart contract

Jun 5, 2019 in Blockchain by Vijayaprasad
 • 150 points • 591 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
 • 4,187 views
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1 answer

What is a Hub and a Node in Selenium Grid?

May 29, 2019 in Selenium by Dharmesh
 • 1,603 views
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Corda - How to check if counter party nodes are running?

May 28, 2019 in Blockchain by Sriram
 • 160 points • 521 views
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Corda - How to check if counter party nodes are running?

May 28, 2019 in Blockchain by Sriram
 • 160 points • 345 views
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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 • 419 views
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Multichain installation error

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

How the data stored in the blockchain is verified?

May 20, 2019 in Blockchain by mayukha
 • 130 points • 672 views
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4 answers

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

May 20, 2019 in Blockchain by Jeppe
 • 210 points • 4,510 views
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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
 • 4,818 views
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How to change default rpc port in Multichain?

Mar 1, 2019 in Blockchain by Tina
 • 875 views
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Cannot create crypto materiel with cryptogen command?

Feb 26, 2019 in Blockchain by Tharindu
 • 170 points • 1,277 views
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Hyperledger Fabric: Errors in Deliver and Broadcast services

Feb 22, 2019 in Blockchain by Cha
 • 1,965 views
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1 answer

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

Dec 6, 2018 in Blockchain by Christine
 • 15,790 points • 922 views
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1 answer

How to communicate gRPC example working with Node.js?

Dec 5, 2018 in Others by camillelola
 • 140 points • 2,128 views
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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
 • 10,610 points • 1,874 views
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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 • 1,869 views
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1 answer

Connect to external server through Socket.IO from Node.js

Nov 21, 2018 in IoT (Internet of Things) by Bharani
 • 4,660 points • 14,845 views
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1 answer

Response with bundle files to IO taking more time using node server on EC2 machine

Nov 14, 2018 in AWS by Jino
 • 5,810 points • 352 views
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1 answer

Does AWS S3 support multiple events for a same bucket

Oct 22, 2018 in AWS by findingbugs
 • 4,780 points • 961 views
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1 answer

Unable to start express server on AWS instance

Oct 1, 2018 in AWS by bug_seeker
 • 15,520 points • 2,829 views
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1 answer

Hyperledger Sawtooth vs Quorum in concurrency and speed Ask

Sep 26, 2018 in IoT (Internet of Things) by Upasana
 • 8,620 points • 1,237 views
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1 answer

AWS Lamda with Proxy Integration not recieving request parameters

Sep 19, 2018 in AWS by bug_seeker
 • 15,520 points • 721 views
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1 answer

Truffle tests not running after truffle init

Sep 11, 2018 in Blockchain by sabby
 • 4,390 points • 1,702 views
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1 answer

I'm trying to create an IoT Foundation but I'm receiving the following error

Aug 28, 2018 in IoT (Internet of Things) by Upasana
 • 8,620 points • 702 views
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1 answer

Deamon tools supervise exiting without errors

Aug 23, 2018 in Other DevOps Questions by ajs3033
 • 7,300 points • 381 views
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1 answer

What files are supported by BigchainDB?

Aug 14, 2018 in Blockchain by aryya
 • 7,450 points • 433 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 • 445 views
+1 vote
1 answer

Protocols used in a distributed/dlt system for the nodes to establish communication

Aug 6, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,146 views
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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 • 671 views
+1 vote
1 answer

How to perform a simple 1-to-1 Bitcoin Transaction with Bitcore?

Jul 20, 2018 in Blockchain by aryya
 • 7,450 points • 1,969 views
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1 answer

Changing a computer IP address using fabric freezing

Jul 20, 2018 in DevOps & Agile by ajs3033
 • 7,300 points • 519 views
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1 answer

How to open a port for http traffic on ec2 from node app?

Jul 17, 2018 in DevOps on Cloud by Damon Salvatore
 • 5,980 points • 3,724 views
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2 answers

Issues while installing Hyperledger Composer

Jul 17, 2018 in Blockchain by peterjeff
 • 120 points • 787 views
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