Trending questions in Blockchain

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Unable to send payment using API. Please help.

Firstly, check your passwords, your API code and your wallet ...READ MORE

Apr 3, 2018 in Blockchain by Christine
• 15,790 points
607 views
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Can a data be altered in a blockchain without changing its hash?

Yes, it should work. The authentication practice ...READ MORE

Apr 8, 2018 in Blockchain by Shashank
• 10,400 points
375 views
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How do I create a relationship between list of suppliers and a single order in Hyperledger Composer

Is your transaction actually called 'OrderPlaced' (in ...READ MORE

Mar 28, 2018 in Blockchain by Johnathon
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818 views
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How does the geth ethereum platform automatically connect to the nodes that are in the main network of Ethereum?

When you start with Geth you need ...READ MORE

Mar 28, 2018 in Blockchain by Perry
• 17,100 points
814 views
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How Blockchain work in a mobile app?

At present there is no provision to ...READ MORE

Apr 10, 2018 in Blockchain by Johnathon
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256 views
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How blockchain nodes switches to another chain?

Each individual transaction is validated by every ...READ MORE

Apr 8, 2018 in Blockchain by Christine
• 15,790 points
319 views
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I would like to create a blockchain network which will stay at the same level of complexity, is it possible?

You can very easily create a cryptocurrency having a ...READ MORE

Apr 4, 2018 in Blockchain by Christine
• 15,790 points
452 views
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1 answer

How are blocks are mined and shared among all Validating Peers in the Hyperledger network.

Hyperledger peers neither mine the block nor ...READ MORE

Apr 7, 2018 in Blockchain by Christine
• 15,790 points
305 views
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1 answer

Can a hacker change data of a smart sontract without call contract function?

A contract's content cannot be changed internally. ...READ MORE

Apr 8, 2018 in Blockchain by Shashank
• 10,400 points
286 views
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I am unable to change port of composer-rest-server. Please help!

Use full format for running a business ...READ MORE

Mar 27, 2018 in Blockchain by Christine
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739 views
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How hyperledger fabric is stored on a PC?

Firstly, your web application will interact with ...READ MORE

Apr 7, 2018 in Blockchain by Christine
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288 views
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1 answer

If a different chaincode deployed a world state variable, is it still accessible by another chaincode?

No, variables stored by some chaincode (A) ...READ MORE

Apr 4, 2018 in Blockchain by Perry
• 17,100 points
391 views
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1 answer

Blockchain - Virtual box is set up and error while executing Hyperledger example from github

The challenge you are facing is mostly ...READ MORE

Mar 27, 2018 in Blockchain by Gabriel
• 680 points
591 views
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How does different blockchains differs on the basis of protocols?

Blockchain platforms differs in more than many ...READ MORE

Apr 4, 2018 in Blockchain by Shashank
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261 views
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How is Blockchain used for provenance purposes?

Let me tell you how Blockchain could ...READ MORE

Apr 4, 2018 in Blockchain by Shashank
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256 views
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1 answer

In the Hyperledger Fabric architecture where is the SDK hosted?

Hyperledger client SDK is a component used ...READ MORE

Mar 27, 2018 in Blockchain by Christine
• 15,790 points
564 views
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1 answer

What is Ethereum Blockchain? Where is it being used?

Blockchain is a decentralized distributed database of immutable records, ...READ MORE

Apr 3, 2018 in Blockchain by Christine
• 15,790 points
344 views
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1 answer

How blockchain node behaves upon receiving a new block when previous block wasn't acquired?

A node will ask for block number ...READ MORE

Mar 26, 2018 in Blockchain by Perry
• 17,100 points
551 views
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1 answer

Where is the Open API Specification generated by composer-rest-server stored in a Hyperledger Composer?

By default, the docs are at your ...READ MORE

Mar 26, 2018 in Blockchain by Christine
• 15,790 points
497 views
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1 answer

When is the Transmission of new blocks happen between nodes of the network?

When a block is mined, it is ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
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309 views
0 votes
1 answer

How can i read headers of blockchain in multichain?

You could use a recent feature known ...READ MORE

Mar 26, 2018 in Blockchain by Perry
• 17,100 points
359 views
+1 vote
1 answer

Language in which cryptokitties is programmed?

Cryptokitties is built on the Ethereum network. The ...READ MORE

Mar 27, 2018 in Blockchain by Johnathon
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291 views
+1 vote
1 answer

Which blockchain framework should I learn?

There are a few frameworks to choose ...READ MORE

Mar 26, 2018 in Blockchain by Perry
• 17,100 points
207 views