Trending questions in Blockchain

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How to solve "error trying install composer runtime" in Hyperledger composer?

I think the docker-compose tool is not ...READ MORE

Jul 17, 2018 in Blockchain by slayer
 • 29,370 points • 1,603 views
0 votes
1 answer

What is CA (Authority) in Hyperledger Fabric?

Hyperledger fabric includes a modular Certificate Authority ...READ MORE

Jul 12, 2018 in Blockchain by shweta
 • 440 points • 1,811 views
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1 answer

How can I create multiple connection profiles and multiple nodes in hyperledger composer?

If you want to learn more about ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 1,848 views
0 votes
1 answer

Error: Error trying to ping. Error: Error trying to query business network. Error: Connect Failed

Run the following commandbefore updating: composer network start ...READ MORE

Jun 28, 2018 in Blockchain by Perry
 • 17,100 points • 2,414 views
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1 answer

Error while adding participant to local application.

Do the following to solve the problem composer ...READ MORE

Jul 25, 2018 in Blockchain by digger
 • 26,740 points • 1,248 views
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2 answers

How to get notified when an event triggers on ethereum smart contract?

Here's a simple example for web3js 1.0.0.beta*: function handler ...READ MORE

Jun 8, 2018 in Blockchain by aryya
 • 7,460 points • 3,263 views
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1 answer

How to transact custom token instead of ethers using JSON rpc?

First create your custom token. Then develop ...READ MORE

Jul 10, 2018 in Blockchain by digger
 • 26,740 points • 1,890 views
0 votes
1 answer

How to display State Information to a list of participants dynamically?

The if condition mentioned below will never ...READ MORE

Jul 23, 2018 in Blockchain by Omkar
 • 69,180 points • 1,375 views
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1 answer

How to send ethers to a contract?

Transfer of tokens means you will deduct ...READ MORE

Jul 25, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,226 views
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1 answer

Where is the data stored in blockchain?

The smart contract is just the business ...READ MORE

Jun 29, 2018 in Blockchain by slayer
 • 29,370 points • 2,336 views
0 votes
1 answer

How to write a program to get details of ERC tokens?

You can use Javascript with the Metamask ...READ MORE

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 1,732 views
0 votes
1 answer

How are unique public address generated in bitcoin?

In brief, the public addresses are generated ...READ MORE

Jul 16, 2018 in Blockchain by slayer
 • 29,370 points • 1,598 views
0 votes
1 answer

Hyperledger Composer rest server NPM versions

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

Jul 13, 2018 in Blockchain by Christine
 • 15,750 points • 1,718 views
0 votes
1 answer

How to return data on execution of invoke function?

You can do this using a response ...READ MORE

Jul 23, 2018 in Blockchain by digger
 • 26,740 points • 1,283 views
0 votes
1 answer

Include real world data in smart contract

What you are looking for is an ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 1,786 views
0 votes
1 answer

Geth 'sendTransaction' not working

When transactions are put in a loop, ...READ MORE

Jul 3, 2018 in Blockchain by Omkar
 • 69,180 points • 2,124 views
0 votes
1 answer

How read-write sets is used in hyperledger?

In Hyperledger, read-write sets are used during ...READ MORE

Jul 3, 2018 in Blockchain by digger
 • 26,740 points • 2,130 views
0 votes
1 answer

jQuery/ajax - two separate API requests with combined results

You can move the second ajax call ...READ MORE

Jun 19, 2018 in Blockchain by aryya
 • 7,460 points • 2,735 views
0 votes
1 answer

how to learn writing java code for Hyperledger Fabric?

You can learning writing java codes for ...READ MORE

Jul 10, 2018 in Blockchain by slayer
 • 29,370 points • 1,824 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 • 1,553 views
0 votes
1 answer

How to solve Corda Node Startup Exception?

The error says "port may be in ...READ MORE

Jul 13, 2018 in Blockchain by digger
 • 26,740 points • 1,673 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 • 2,003 views
0 votes
1 answer

Transaction Id in Bitcoin Blockchain

The TransactionId comes from sending the coin. ...READ MORE

Jul 13, 2018 in Blockchain by Christine
 • 15,750 points • 1,662 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 • 3,349 views
0 votes
1 answer

How to upload data from PC or sensors to blockchain?

you can do it by writing a ...READ MORE

Jul 9, 2018 in Blockchain by slayer
 • 29,370 points • 1,836 views
0 votes
1 answer

How to change Endorsement policies

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

Jul 18, 2018 in Blockchain by charlie_brown
 • 7,720 points • 1,447 views
0 votes
1 answer

What if I change Chaincode state in invokeChaincode?

The chaincode state is not changed when ...READ MORE

Jul 13, 2018 in Blockchain by slayer
 • 29,370 points • 1,663 views
0 votes
1 answer

Is it possible to claim Bitcoin Cash from an exchange that does not support it?

You can't claim BCH without knowing private ...READ MORE

Jul 17, 2018 in Blockchain by aryya
 • 7,460 points • 1,491 views
0 votes
1 answer

Which is the best decentralized storage apps?

IPFS is a protocol for a distributed ...READ MORE

Jul 19, 2018 in Blockchain by aryya
 • 7,460 points • 1,400 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 • 1,832 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 • 1,797 views
0 votes
1 answer

How to send chaincode error to the calling application?

To pass message all the way to ...READ MORE

Jul 6, 2018 in Blockchain by digger
 • 26,740 points • 1,955 views
0 votes
1 answer

How to update data in Corda?

Yes, in corda you can store data ...READ MORE

Jul 11, 2018 in Blockchain by digger
 • 26,740 points • 1,730 views
0 votes
1 answer

Hyperledger remove asset

Data on a blockchain won't ever be ...READ MORE

Jul 4, 2018 in Blockchain by Christine
 • 15,750 points • 2,047 views
0 votes
2 answers

How to set permissions within a blockchain?

There are blockchains that allow defining permissions. ...READ MORE

Aug 28, 2018 in Blockchain by Michael
 • 1,853 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 • 1,747 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
 • 69,180 points • 2,045 views
0 votes
1 answer

Updating data of struct to save in chaincode.

You can use a code similar to ...READ MORE

Jul 5, 2018 in Blockchain by slayer
 • 29,370 points • 1,959 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 • 1,439 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 • 1,611 views
0 votes
1 answer

What exactly is BigChainDB?

Technically, BigChainDB internally uses RethinkDB as a ...READ MORE

Jul 11, 2018 in Blockchain by Shashank
 • 10,400 points • 1,691 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 • 1,737 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 • 1,430 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 • 1,328 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
 • 15,750 points • 1,399 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 • 1,882 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 • 1,404 views
0 votes
1 answer

What is the peer node start in hyperledger?

Nodes are the fundamental element of the ...READ MORE

Jul 9, 2018 in Blockchain by digger
 • 26,740 points • 1,739 views
0 votes
1 answer

How to handle memory and processor limitations of nodes in blockchain?

Yes, that's a valid concern. The Bitcoin ...READ MORE

Jul 14, 2018 in Blockchain by Shashank
 • 10,400 points • 1,547 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
 • 69,180 points • 2,244 views
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