Trending questions in Blockchain

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Hyperledger Composer rest server NPM versions

The Hyperledger Composer pre-requisites can be installed ...READ MORE

Jul 13, 2018 in Blockchain by Christine
 • 15,790 points • 858 views
0 votes
1 answer

Can we store encrypted data into transaction?

Ethereum can store whatever bytes you want, ...READ MORE

Jul 17, 2018 in Blockchain by Christine
 • 15,790 points • 677 views
0 votes
1 answer

Hyperledger Fabric: "No go in PATH" error.

The error is because the go path ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,220 points • 1,541 views
0 votes
1 answer

Why hyperledger REST server has PUT method?

Actually, with the PUT method, you don't ...READ MORE

Jul 19, 2018 in Blockchain by aryya
 • 7,460 points • 589 views
0 votes
1 answer

How to add peers on a running Hyperledger Fabric?

You can not use configtxlator tool for ...READ MORE

Jul 10, 2018 in Blockchain by slayer
 • 29,370 points • 975 views
0 votes
1 answer

composer network start with error SERVICE_UNAVAILABLE

I think there is an issue with ...READ MORE

Jul 6, 2018 in Blockchain by aryya
 • 7,460 points • 1,176 views
0 votes
1 answer

How to build a non-payment application using Ethereum blockchain?

I hope the following link is helpful ...READ MORE

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 670 views
0 votes
1 answer

How to limit execution of smart contract only to my dapp?

You can use modifiers to do it ...READ MORE

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 662 views
0 votes
1 answer

How can I access the details of a given address from a blockchain?

There are two ways to actually do ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 914 views
0 votes
1 answer

How to get the already existing channels in Hyperledger v1.0?

You cannot see all available channels,  but you ...READ MORE

Jun 4, 2018 in Blockchain by Perry
 • 17,100 points • 2,515 views
0 votes
1 answer

What does "Using network 'develop'" mean?

It means that the name of the ...READ MORE

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 657 views
0 votes
1 answer

In Hyperledger fabric, how does committer validate the transaction?

Endorsing and committing are just two functions ...READ MORE

Jul 3, 2018 in Blockchain by Omkar
 • 69,220 points • 1,253 views
0 votes
1 answer

How to use Rest API support in local development environment?

Rest API is not available for Hyperledger ...READ MORE

Jul 11, 2018 in Blockchain by slayer
 • 29,370 points • 907 views
0 votes
1 answer

What is the max number of participants,assets and transactions?

Yes, there will be limits.. But the ...READ MORE

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 817 views
0 votes
1 answer

Sorting data into appropriate key in an object

I think that your code has an ...READ MORE

Jul 17, 2018 in Blockchain by aryya
 • 7,460 points • 630 views
0 votes
1 answer

How to solve Runtime error when querying Hyperledger?

OCI is open container initiative.. The error ...READ MORE

Jul 9, 2018 in Blockchain by slayer
 • 29,370 points • 967 views
0 votes
1 answer

How to use Blockchain to store government records?

As I understood you are planning to ...READ MORE

Jul 18, 2018 in Blockchain by charlie_brown
 • 7,720 points • 572 views
0 votes
1 answer

How to solve "'Asset:org.acme.trading.Commodity' does not exist" error?

The error is mainly because the asset ...READ MORE

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 612 views
0 votes
1 answer

How to achieve consensus with peers from different departments?

Defining one MSP to represent each division. ...READ MORE

Jul 16, 2018 in Blockchain by digger
 • 26,740 points • 647 views
0 votes
1 answer

Should I require a specific condition when working with indexes in Solidity?

You are using it correctly. require is intended to ...READ MORE

Jul 17, 2018 in Blockchain by aryya
 • 7,460 points • 602 views
0 votes
1 answer

Error while Querying System Chaincode.

Do not interact directly with the ledger.. ...READ MORE

Jul 12, 2018 in Blockchain by digger
 • 26,740 points • 816 views
0 votes
1 answer

Can smart contract be altered after deployment?

No, you can not make changes to ...READ MORE

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 598 views
0 votes
1 answer

Error during Hyperledger installation: Manifest peer latest not found

Change the tag from latest to x86_64-1.0.2 in the compose file. ...READ MORE

Jul 13, 2018 in Blockchain by Perry
 • 17,100 points • 746 views
0 votes
1 answer

How Hyperledger projects are different from each other?

Hyperledger includes a range of business Blockchain ...READ MORE

Jul 12, 2018 in Blockchain by shweta
 • 440 points • 819 views
0 votes
1 answer

Where are the transaction details of a smart contract is written in Ethereum?

First ques:where in the blockchain is a ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 825 views
0 votes
1 answer

IBM Container Service blockchain deployment error.

This error might be caused because of ...READ MORE

Jul 10, 2018 in Blockchain by digger
 • 26,740 points • 856 views
+1 vote
1 answer

What is blockchain apart from bitcoin?

Blockchain is a decentralized database where the ...READ MORE

Jul 9, 2018 in Blockchain by digger
 • 26,740 points • 855 views
0 votes
1 answer

Not Able to register a user with Hyperledger-Fabric v1.1 preview

The error: "Certificate not found with AKI 'e729224e8b3f31784c8a93c5b8ef6f4c1c91d9e6e577c45c33163609fe40011' ...READ MORE

Jun 16, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,886 views
0 votes
1 answer

Where can I find the reference format for crypto-config.yaml and configtx.yaml Hyperledger Fabric files?

The sample config files in the Hyperledger ...READ MORE

Jun 27, 2018 in Blockchain by aryya
 • 7,460 points • 1,401 views
0 votes
1 answer

Can i use HTTP GET to call external service in Hyperledger Composer?

Right now, the Hyperledger Composer supports only ...READ MORE

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 575 views
+1 vote
2 answers

Is there any relation between the number of transactions processes and the miners?

the direct answer to your query is ...READ MORE

Jun 19, 2018 in Blockchain by Perry
 • 17,100 points • 833 views
0 votes
1 answer

How to store photos in Hyperledger smart contract?

To do this, you need to represent ...READ MORE

Jul 9, 2018 in Blockchain by slayer
 • 29,370 points • 858 views
0 votes
1 answer

How is consensus achieved in a Hyperledger Fabric?

The transactions in the network is ordered ...READ MORE

Jun 29, 2018 in Blockchain by Omkar
 • 69,220 points • 1,287 views
0 votes
1 answer

Where can i get bitcoins for testing?

You can get bitcoins for free for ...READ MORE

Jul 17, 2018 in Blockchain by digger
 • 26,740 points • 509 views
0 votes
1 answer

How to control visibility of assets in Hyperledger Fabric?

you can use proof of Authority consensus ...READ MORE

Jul 10, 2018 in Blockchain by digger
 • 26,740 points • 810 views
0 votes
1 answer

How to solve "Failed to get identity 'admin'" error?

It seems like this error is caused ...READ MORE

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 665 views
0 votes
1 answer

How to avoid Ethereum Token Name redundancy?

I dont think you can do anything ...READ MORE

Jul 12, 2018 in Blockchain by digger
 • 26,740 points • 706 views
0 votes
1 answer

Not being able to deploy blockchain demo app on bluemix

The car lease demo's "Deploy to Bluemix" ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 729 views
0 votes
1 answer

Web3j v3.3.1 : Error while generating compiled solidity smart contracts which returns array of struct

Solidity does not support returning structs in ...READ MORE

Jun 19, 2018 in Blockchain by aryya
 • 7,460 points • 1,681 views
0 votes
1 answer

How to create a ‘feeless’ ERC20 token?

You can't have another address pay for ...READ MORE

Jul 6, 2018 in Blockchain by aryya
 • 7,460 points • 965 views
+1 vote
2 answers

What if a bitcoin clients could create identical private keys?

If this happens, then Person B will ...READ MORE

Aug 28, 2018 in Blockchain by Evan
 • 960 views
0 votes
1 answer

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

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

Jul 6, 2018 in Blockchain by aryya
 • 7,460 points • 960 views
0 votes
1 answer

How do I access the github repository for deploying blockchain on bluemix?

You start with creating a new project. ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 708 views
0 votes
1 answer

How to plug MSP,Consensus, Ordering service in Hyperledger Fabric?

To plug in MSP: Implement your own MSP ...READ MORE

Jun 27, 2018 in Blockchain by Omkar
 • 69,220 points • 1,306 views
0 votes
1 answer

Will blockchain be feasible in future when the ledgers will be of a larger size?

I read this post "Blockchains don’t scale. ...READ MORE

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 622 views
0 votes
1 answer

How do I add multiple recipients for transactions via Blockchain API?

Convert the recipes into JSON objects. x = ...READ MORE

Jul 6, 2018 in Blockchain by Perry
 • 17,100 points • 907 views
0 votes
1 answer

why are permissions not stored in blockchain?

When a channel is created, the configurations ...READ MORE

Jul 10, 2018 in Blockchain by slayer
 • 29,370 points • 711 views
0 votes
1 answer

How does my peer communicate with fabric CA?

Peers do not communicate with CA directly.. ...READ MORE

Jul 6, 2018 in Blockchain by digger
 • 26,740 points • 879 views
0 votes
1 answer

AttributeError while trying to start peer port in Hyperledger.

If you are new to blockchain then ...READ MORE

Jul 9, 2018 in Blockchain by digger
 • 26,740 points • 749 views
0 votes
1 answer

Why is Nubits faster than Bitcoin?

Different implementation of blockchain can have different ...READ MORE

Jul 11, 2018 in Blockchain by digger
 • 26,740 points • 653 views
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