Recent questions tagged blockchain

+4 votes
3 answers

What type of database is blockchain?

Mar 30, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,766 views
+1 vote
1 answer

What is Ethereum Blockchain? Where is it being used?

Mar 30, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,495 views
+1 vote
1 answer

Can Blocks be reorganized in the blockchain?

Mar 30, 2018 in Blockchain by Johnathon
 • 9,090 points • 871 views
+1 vote
1 answer

How does the geth ethereum platform automatically connect to the nodes that are in the main network of Ethereum?

Mar 28, 2018 in Blockchain by Christine
 • 15,790 points • 1,646 views
+15 votes
5 answers

How to add Org or peer in Org dynamically in Hyperledger fabric?

Mar 28, 2018 in Blockchain by Perry
 • 17,100 points • 5,423 views
+1 vote
1 answer

Getting issues while Sending signTransaction with web3.js

Mar 28, 2018 in Blockchain by Shashank
 • 10,400 points • 4,189 views
+1 vote
1 answer

How do I create a relationship between list of suppliers and a single order in Hyperledger Composer

Mar 28, 2018 in Blockchain by Shashank
 • 10,400 points • 1,710 views
0 votes
1 answer

Connection failed to Ethereum Ropsten Testnet network.

Mar 27, 2018 in Blockchain by Perry
 • 17,100 points • 1,987 views
+1 vote
1 answer

In the Hyperledger Fabric architecture where is the SDK hosted?

Mar 27, 2018 in Blockchain by nsv999
 • 5,500 points • 1,224 views
+3 votes
2 answers

How to run ethereumjs using Node.JS

Mar 27, 2018 in Blockchain by Gabriel
 • 680 points • 1,911 views
+1 vote
2 answers

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

Mar 27, 2018 in Blockchain by Gabriel
 • 680 points • 4,229 views
+1 vote
1 answer

I am unable to change port of composer-rest-server. Please help!

Mar 27, 2018 in Blockchain by Perry
 • 17,100 points • 1,355 views
+1 vote
1 answer

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

Mar 27, 2018 in Blockchain by ned_crew
 • 1,610 points • 1,324 views
+1 vote
2 answers

Challenge while setting up Hyperledger Fabric 1.0 in Ubuntu 16.04

Mar 27, 2018 in Blockchain by Gabriel
 • 680 points • 1,411 views
+1 vote
1 answer

How does a miner get to know that a transaction is verified by all the nodes?

Mar 27, 2018 in Blockchain by Shashank
 • 10,400 points • 3,177 views
+1 vote
1 answer

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

Mar 27, 2018 in Blockchain by Shashank
 • 10,400 points • 895 views
+1 vote
1 answer

How to deploy ethereum smart contracts on a website?

Mar 27, 2018 in Blockchain by Shashank
 • 10,400 points • 2,315 views
+1 vote
1 answer

Language in which cryptokitties is programmed?

Mar 27, 2018 in Blockchain by Shashank
 • 10,400 points • 855 views
+15 votes
2 answers

What are the various blockchain smart contracts platforms?

Mar 27, 2018 in Blockchain by Shashank
 • 10,400 points • 1,482 views
+1 vote
1 answer

Security Properties of Hash Functions

Mar 27, 2018 in Blockchain by Shashank
 • 10,400 points • 4,833 views
+4 votes
2 answers

How do I create a new block in Hyperledger Fabric?

Mar 26, 2018 in Blockchain by DareDev
 • 6,890 points • 3,039 views
+4 votes
2 answers

I am unable to connect Ganache with Truffle/Npm Dev server. Pls help.

Mar 26, 2018 in Blockchain by Christine
 • 15,790 points • 3,043 views
+4 votes
5 answers

How is Blockchain a distributed database?

Mar 26, 2018 in Blockchain by Perry
 • 17,100 points • 1,931 views
+1 vote
1 answer

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

Mar 26, 2018 in Blockchain by ajs3033
 • 7,300 points • 1,286 views
+2 votes
1 answer

What are the difference between various Hyperledger Projects?

Mar 26, 2018 in Blockchain by Atul
 • 10,240 points • 1,678 views
0 votes
1 answer

How can i read headers of blockchain in multichain?

Mar 26, 2018 in Blockchain by Christine
 • 15,790 points • 929 views
0 votes
1 answer

How to make sure transactions take no fee in a private Ethereum blockchain?

Mar 26, 2018 in Blockchain by nsv999
 • 5,500 points • 1,812 views
+1 vote
1 answer

Which blockchain framework should I learn?

Mar 26, 2018 in Blockchain by nsv999
 • 5,500 points • 796 views
+1 vote
1 answer

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

Mar 26, 2018 in Blockchain by Christine
 • 15,790 points • 1,986 views
+4 votes
4 answers

How does the blockchain verification process work?

Mar 26, 2018 in Blockchain by Christine
 • 15,790 points • 3,517 views
+1 vote
3 answers

Is it possible to store data about arbitrary objects on the blockchain using smart contracts?

Mar 25, 2018 in Blockchain by aryya
 • 7,460 points • 1,849 views
0 votes
1 answer

How can I get the respective Bitcoin value for an input in USD when using c#

Mar 25, 2018 in Big Data Hadoop by aryya
 • 7,460 points • 1,345 views
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