Trending questions in Blockchain

0 votes
1 answer

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

There seems to be error in the ...READ MORE

Jul 27, 2018 in Blockchain by digger
 • 26,740 points • 2,419 views
0 votes
1 answer

What is the difference between if() and require() statement in solidity??

If() and require() have separate functions and ...READ MORE

Apr 18, 2018 in Blockchain by Shashank
 • 10,400 points • 6,739 views
0 votes
1 answer

How to create users on hyperledger and how to assign policies to the created users?

First the users need to establish identity ...READ MORE

Jul 10, 2018 in Blockchain by slayer
 • 29,370 points • 3,139 views
0 votes
1 answer

Hyperledger Fabric V1.0 Application using Java SDK Client for is waiting indefinitely when invoking chaincode

I ran into a similar issue to ...READ MORE

Jul 16, 2018 in Blockchain by Perry
 • 17,100 points • 2,872 views
0 votes
1 answer

How to send funds using CLI?

You can send funds from one address ...READ MORE

Aug 1, 2018 in Blockchain by digger
 • 26,740 points • 2,181 views
+1 vote
1 answer

Can there be multiple Hyperledger Fabric CA servers in the same blockchain?

Yes, you can run multiple CA servers ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,180 points • 3,679 views
0 votes
1 answer

How to get peer admin's certificate and key on Bluemix?

Follow the steps mentioned below: Create connection profile ~/.composer-connection-profiles/bmx-stage1-kubes/connection.json {  "name": ...READ MORE

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 2,851 views
+1 vote
2 answers

Hyperledger: get “/bin/bash: ./scripts/script.sh: No such file or directory” when running “./byfn -m up”

You can follow these steps : In your ...READ MORE

Mar 27, 2018 in Blockchain by ned_crew
 • 1,610 points • 5,849 views
0 votes
1 answer

How can I change endorsement policies in hyperledger?

Well the good news is that it ...READ MORE

Jul 19, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,718 views
+1 vote
1 answer

Error attempting installing ethermint

I faced the same issue. Here's where ...READ MORE

Aug 2, 2018 in Blockchain by Christine
 • 15,750 points • 2,038 views
0 votes
1 answer

npm hfc@0.6.2 not properly installing

this is harmless, the hfc module should ...READ MORE

Jul 24, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,497 views
0 votes
1 answer

IBM BLUEMIX BLOCKCHAIN SDK-DEMO failing

These types of intermittent issues are usually ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,034 views
0 votes
1 answer

Using web3swift to create raw transaction.

Here you go: var options = Web3Options.defaultOptions() options.gasLimit = ...READ MORE

Jul 31, 2018 in Blockchain by digger
 • 26,740 points • 2,154 views
0 votes
1 answer

Mining on private Ethereum blockchain

You control how miners work on your ...READ MORE

Jul 25, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,410 views
0 votes
1 answer

Can someone explain me how PBFT works?

You can submit your transaction to any ...READ MORE

Jul 31, 2018 in Blockchain by Shashank
 • 10,400 points • 2,140 views
0 votes
1 answer

Any security issues in migrating sensitive data in CouchDB to hyperledger composer

Hyperledger Composer and the underlying Hyperledger Fabric ...READ MORE

Aug 3, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,007 views
0 votes
1 answer

How to download the full blocks (with transactions) directly and in parallel from the connected nodes in NodesGroup?

 just got informed, that NBitcoin currently does ...READ MORE

Jul 31, 2018 in Blockchain by Shashank
 • 10,400 points • 2,105 views
0 votes
1 answer

Hyperledger: How to test endorsement policy for the business network in multiple organizations?

Give the proposal responses you are receiving ...READ MORE

Jul 13, 2018 in Blockchain by Perry
 • 17,100 points • 2,858 views
0 votes
1 answer

Trying to setup a hyperledger but REST API is throwing error

Not sure if you are still looking ...READ MORE

Jul 25, 2018 in Blockchain by aryya
 • 7,460 points • 2,365 views
0 votes
1 answer

Cant install quorum blockchain.

You are facing this issue because you ...READ MORE

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 2,035 views
0 votes
1 answer

How blockchain hides it's HTML source?

When you click View Source, you see ...READ MORE

Jul 17, 2018 in Blockchain by Shashank
 • 10,400 points • 2,663 views
0 votes
1 answer

Not able to send payments using Blockchain API.

Try the following code. It should help ...READ MORE

Jul 31, 2018 in Blockchain by slayer
 • 29,370 points • 2,054 views
0 votes
1 answer

geth personal.newAccount()\npassword command broke Ethereum CLI

The issue is with your command. It's ...READ MORE

Aug 1, 2018 in Blockchain by Perry
 • 17,100 points • 2,035 views
0 votes
1 answer

Fabric composer integration with Bluemix blockchain service

You can use Composer with the Bluemix ...READ MORE

Aug 3, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,924 views
0 votes
1 answer

Building Hyperledger Fabric Blockchain

To build your own app using Hyperledger ...READ MORE

Aug 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,661 views
0 votes
1 answer

AWS multichain network, "Couldn't connect to the seed node" error

The error says "please check multichaind is ...READ MORE

Jul 9, 2018 in Blockchain by slayer
 • 29,370 points • 2,993 views
0 votes
1 answer

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

I think that those messages are executed ...READ MORE

Jul 27, 2018 in Blockchain by aryya
 • 7,460 points • 2,226 views
0 votes
1 answer

How to send bitcoins to multiple recipients at once?

To send bitcoins to multiple recipients, you ...READ MORE

Aug 1, 2018 in Blockchain by slayer
 • 29,370 points • 1,983 views
0 votes
1 answer

Not able to execute fabcar demo in Hyperledger

This can be solved by deleting directory ...READ MORE

Jul 24, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,354 views
0 votes
2 answers

How is a transaction public key related to original public?

The details like account balance, nonce etc., ...READ MORE

Jul 24, 2018 in Blockchain by digger
 • 26,740 points • 2,279 views
0 votes
1 answer

How does this Ethereum Console output mean?

I have divided the output into different ...READ MORE

Aug 1, 2018 in Blockchain by digger
 • 26,740 points • 1,966 views
0 votes
1 answer

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

The link you provide is for Go ...READ MORE

Jul 27, 2018 in Blockchain by aryya
 • 7,460 points • 2,205 views
0 votes
1 answer

What is sent to a non-validating notary service when corda transaction is sent?

The transaction is first filtered in the ...READ MORE

Jul 23, 2018 in Blockchain by digger
 • 26,740 points • 2,344 views
0 votes
1 answer

Can i transfer Kraken to Poloniex?

You can use withdrawFunds method from the ...READ MORE

Jul 24, 2018 in Blockchain by slayer
 • 29,370 points • 2,299 views
0 votes
1 answer

Hyperledger Composer Error trying to instantiate composer runtime

If this message occurs in instantiating composer ...READ MORE

Jul 31, 2018 in Blockchain by shweta
 • 440 points • 1,974 views
0 votes
1 answer

How blocks are linked in the Hyperledger Fabric blockchain?

The structure of block in Hyperledger Fabric ...READ MORE

Jul 3, 2018 in Blockchain by Omkar
 • 69,180 points • 3,177 views
0 votes
1 answer

Why visual studio 2015 can not open blockchain api project on github

If you look in the solution file ...READ MORE

Jul 24, 2018 in Blockchain by aryya
 • 7,460 points • 2,260 views
0 votes
1 answer

How i can use nodejs to watch transactions in bitcoin network?

you can use  const Socket = require('blockchain.info/Socket'); const mySocket ...READ MORE

Jul 9, 2018 in Blockchain by digger
 • 26,740 points • 2,902 views
0 votes
1 answer

How to use two different APIs to get combined results?

You can use nesting of function to ...READ MORE

Jul 31, 2018 in Blockchain by slayer
 • 29,370 points • 1,943 views
0 votes
1 answer

How to monitor Ethereum private network?

geth should be started with --metrics. try the ...READ MORE

Jul 11, 2018 in Blockchain by slayer
 • 29,370 points • 2,807 views
0 votes
1 answer

How to interact with blockchain using Java web app?

You can interact with the blockchain using ...READ MORE

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 2,586 views
0 votes
1 answer

Hyperledger-Fabric Endorsement Policy: What are Members and Admins?

The goal of endorsement policy to set ...READ MORE

Jul 13, 2018 in Blockchain by Christine
 • 15,750 points • 2,710 views
0 votes
1 answer

To capture events do we need to create assets using transaction processing functions?

I think you have figured it by ...READ MORE

Aug 10, 2018 in Blockchain by Christine
 • 15,750 points • 1,523 views
0 votes
1 answer

how to get modification history of asset?

You can use GetHistoryForKey() API as shown ...READ MORE

Jul 9, 2018 in Blockchain by digger
 • 26,740 points • 2,866 views
0 votes
1 answer

Where do we execute Smart Contracts on Hyperledger Fabric?

Hyperledger Fabric has 2 basic types of ...READ MORE

Aug 1, 2018 in Blockchain by Christine
 • 15,750 points • 1,867 views
0 votes
1 answer

How to understand transaction verification in blockchain

They said it takes about 10 minutes ...READ MORE

Jul 17, 2018 in Blockchain by aryya
 • 7,460 points • 2,506 views
+1 vote
2 answers

How do I access the api generated by hyperledger composer publicly?

IBM Bluemix is a platform that provides ...READ MORE

Jul 5, 2018 in Blockchain by slayer
 • 29,370 points • 2,977 views
0 votes
1 answer

Can someone help me conceptualizing blockchain for supply chain demo?

I think you should take a step ...READ MORE

Jul 17, 2018 in Blockchain by Shashank
 • 10,400 points • 2,495 views
0 votes
1 answer

How does the consensus mechanism work for a SaaS based blockchain?

Blockchain doesn't have the client-server architecture that ...READ MORE

Aug 1, 2018 in Blockchain by Christine
 • 15,750 points • 1,849 views
0 votes
1 answer

Not able to execute a deployed contract?

The problem is that you are not ...READ MORE

Jul 30, 2018 in Blockchain by digger
 • 26,740 points • 1,958 views
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