Unanswered questions in Blockchain

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I got stuck in Blockchain Course. Please Help Me!

Please help me I got stuck in ...READ MORE

Sep 6 in Blockchain by Arcadius
 • 120 points • 111 views
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0 answers

what coding language is this in for ethereum and does this work for trading if setup right?

code below: # #  Panoramix v4 Oct 2019 ...READ MORE

Aug 24 in Blockchain by squiggle
 • 120 points • 283 views
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How do I apply Ethereum Private blockchain or Hyperledger Fabric to Healthcare data management/Drug Traceability?

I just need a lab practice guide ...READ MORE

Jul 3 in Blockchain by pauloshikoya
 • 120 points
recategorized Jul 3 by Gitika • 244 views
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Attach two nodes on different machine via private blockchain (Ethereum)

I have seen many blogs regarding ways ...READ MORE

Jun 9 in Blockchain by Ritvik
 • 120 points • 137 views
0 votes
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Any blockchain developer available who could resolve my queries?

I am implementing a project in ethereum. ...READ MORE

May 14 in Blockchain by Zara
 • 140 points • 143 views
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How I can check where the data is actually stored when we deploy blockchain?

How I can check where the data ...READ MORE

May 14 in Blockchain by Zara
 • 140 points • 174 views
+1 vote
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Hyperledger fabric : unable to create channel on raspberry pi 4 with Raft ordering service

Hello, I am trying to setup an hyperledger ...READ MORE

May 12 in Blockchain by Manon
 • 130 points • 286 views
0 votes
0 answers

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

Received this error while submitTransaction executes in ...READ MORE

May 4 in Blockchain by Edureka
 • 120 points • 134 views
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how can i add more than one node to mining blocks ??

i created 6 nodes whit one node ...READ MORE

Apr 12 in Blockchain by Hicham
 • 120 points • 102 views
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What is the total difficulty for block #4390176 in Ethereum Blockchain

Mar 31 in Blockchain by Dinesh
 • 180 points • 1,040 views
0 votes
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How I can connect multiple physical machine with hyperledger fabric??

I want to connect my 3 computers ...READ MORE

Mar 12 in Blockchain by Md
 • 120 points • 206 views
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Low_s canonical signature for bitcoin transaction

I have a transaction script and trying ...READ MORE

Mar 3 in Blockchain by anonymous
 • 120 points • 234 views
0 votes
0 answers

Is there any resource for hyper ledger fabric to learn?

Hi, I have searched all the google sites, ...READ MORE

Mar 2 in Blockchain by anonymous
 • 120 points • 199 views
0 votes
0 answers

Hyperledger Fabric: Average & Max Price FabCar

Hey, I'm using the fabcar project  (https://github.com/IBM/blockchain-application-using-fabric-java-sdk). I ...READ MORE

Feb 29 in Blockchain by pablobonet
 • 120 points • 155 views
0 votes
0 answers

Solidity: How i can return data from hash value ?

I have a solidity contract with two ...READ MORE

Feb 13 in Blockchain by simone
 • 120 points • 189 views
+1 vote
0 answers

How can i made a ledger-system using hyperledger.

Jan 12 in Blockchain by anonymous
 • 190 points • 144 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

when i create channel it showing error READ MORE

Dec 11, 2019 in Blockchain by vineeth
 • 150 points • 139 views
+1 vote
0 answers

I need to get throughput requirment is BlockSize 10, Transaction 200, transaction type Insert, Arrival Rates 2 to 25 tps

I am not getting ans, even I ...READ MORE

Nov 29, 2019 in Blockchain by Sudhanshu
 • 130 points • 143 views
+1 vote
0 answers

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

I am using below code for submitting ...READ MORE

Nov 14, 2019 in Blockchain by laxman
 • 130 points • 246 views
+1 vote
0 answers

creation of channel

I am facing in creation channel, please ...READ MORE

Nov 12, 2019 in Blockchain by anonymous
 • 210 points • 172 views
+1 vote
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Can I change the network id in ganache GUI? Is it work for calling the functions in solidity?

Can I change the network id in ...READ MORE

Aug 16, 2019 in Blockchain by anonymous
edited Aug 19, 2019 by Omkar • 203 views
0 votes
0 answers

How to use mutual authentication without CA in hyperledger fabric

I want to use some certificateless mutual ...READ MORE

Jul 29, 2019 in Blockchain by behnaz
 • 120 points • 174 views
0 votes
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how to Build Bitcoin address and balance database?

How to build Bitcoin Address and Balance ...READ MORE

Jul 24, 2019 in Blockchain by Raj
 • 180 points • 199 views
+1 vote
0 answers

I am trying to replace the fabric-CA with External-CA to work in keep fabric in production environment, in Hyper-ledger fabric any suggestions?

Hi  can, i know how you implemented ...READ MORE

Jul 23, 2019 in Blockchain by anonymous
edited Jul 23, 2019 • 105 views
+1 vote
0 answers

Metamask popup on Server side (Express js) ?

So I have this problem when i ...READ MORE

Jul 15, 2019 in Blockchain by Dzaky
 • 130 points • 369 views
+1 vote
0 answers

How to Set Condition on apistub.getstateByRange(startkey,endkey) in Go chaincode of hyperledger fabric

actually i have 2 structure in my ...READ MORE

Jul 14, 2019 in Blockchain by Malik
 • 253 views
0 votes
0 answers

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

Hey guys this is the link to ...READ MORE

Jun 28, 2019 in Blockchain by Vardhan
 • 13,180 points • 113 views
0 votes
0 answers

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

In R3 Corda all the nodes are ...READ MORE

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

Migrations ran out of gas

I have unboxed pet-shop. Then inside the ...READ MORE

Jun 25, 2019 in Blockchain by anonymous
 • 308 views
0 votes
0 answers

How do we increase the amount of gas?

Jun 24, 2019 in Blockchain by Neha Agarwal
 • 164 views
0 votes
0 answers

how can i integrate fog computing simulation tools and Blockchain for research purpose

Jun 21, 2019 in Blockchain by anonymous
 • 120 points • 122 views
0 votes
0 answers

Network Parameter and additional node info file in R3 corda?

Is that network parameter and additional node ...READ MORE

Jun 21, 2019 in Blockchain by anonymous
 • 164 views
0 votes
0 answers

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

After ran this command java -jar network-bootstrapper-VERSION.jar --dir <nodes-root-dir>.The files is generated.After ...READ MORE

Jun 19, 2019 in Blockchain by anonymous
 • 409 views
0 votes
0 answers

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

I want to do a transaction (sent ...READ MORE

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

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

A simple contract for addition, an error ...READ MORE

Jun 15, 2019 in Blockchain by XHQ
 • 743 views
0 votes
0 answers

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

0 I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 28, 2019 in Blockchain by Sriram
 • 160 points • 208 views
0 votes
0 answers

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

I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 27, 2019 in Blockchain by Sriram
 • 160 points • 86 views
0 votes
0 answers

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

I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 22, 2019 in Blockchain by Sriram
 • 160 points • 100 views
0 votes
0 answers

How to set chaincode path in Hyperledger Fabric in fabric.sh file

i set the path to chaincode in ...READ MORE

Mar 23, 2019 in Blockchain by Malik
retagged Mar 25, 2019 by Omkar • 521 views
0 votes
0 answers

how to add path of chain code in hyperledger fabric in startfabric.sh

#!/bin/bash # # Copyright IBM Corp All Rights Reserved # # ...READ MORE

Mar 17, 2019 in Blockchain by anonymous
 • 459 views
0 votes
0 answers

Error: Unexpected token o in JSON at position 1

I have been working with Interacting a ...READ MORE

Mar 6, 2019 in Blockchain by saeedi
 • 120 points
edited Mar 6, 2019 by Omkar • 1,171 views
0 votes
0 answers

Cannot create genesis block?

When I try to create a genesis block ...READ MORE

Feb 27, 2019 in Blockchain by Tharindu
 • 170 points
edited Feb 28, 2019 by Omkar • 605 views

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