Trending questions in Blockchain

+1 vote
0 answers

Metamask popup on Server side (Express js) ?

So I have this problem when i ...READ MORE

4 days ago in Blockchain by Dzaky
 • 130 points • 16 views
+2 votes
1 answer

how to convert hash160 to bitcoin address in python?

Hey @Raj. I use the following script. ...READ MORE

Jul 12 in Blockchain by Tanisha
 • 37 views
0 votes
0 answers

How to Set Condition on apistub.getstateByRange(startkey,endkey) in Go chaincode of hyperledger fabric

actually i have 2 structure in my ...READ MORE

5 days ago in Blockchain by Malik
 • 14 views
0 votes
1 answer

Multichain "Resource temporarily unavailable" error

The command you have executed is used ...READ MORE

Jul 9 in Blockchain by Olivia
 • 20 views
0 votes
1 answer

Listing all Bitcoin Miners

Yes, you can list down all the ...READ MORE

Jul 3 in Blockchain by John
 • 35 views
0 votes
1 answer

In assymetric cryptography how and when the sender will share the public key with the receiver?

Consider this example: Suppose Bob wants to send ...READ MORE

Jul 3 in Blockchain by Sheila
 • 28 views
0 votes
1 answer

How can I become a miner in Blockchain?

You need to download software to become ...READ MORE

Jul 3 in Blockchain by Raman
 • 24 views
0 votes
1 answer

Public and private keys created residing in laptop/mobile while initiating a transaction

You need to provide the receiver's public key ...READ MORE

Jul 3 in Blockchain by Rachit
 • 17 views
0 votes
0 answers

LIVE PODCAST THREAD** (#2 Are Smart contracts really the Future?)

Hey guys this is the link to ...READ MORE

Jun 28 in Blockchain by Vardhan
 • 11,490 points • 24 views
+1 vote
1 answer

Where to download the corda network bootstrapper 3.1 or 3.2 version for r3 corda?

Here are the steps to setup corda ...READ MORE

Jun 24 in Blockchain by Raghu
 • 45 views
0 votes
0 answers

In R3 Corda I don't know to start the web server port in server?

In R3 Corda all the nodes are ...READ MORE

Jun 26 in Blockchain by anonymous
 • 23 views
0 votes
0 answers

Migrations ran out of gas

I have unboxed pet-shop. Then inside the ...READ MORE

Jun 25 in Blockchain by anonymous
 • 30 views
0 votes
0 answers

How do we increase the amount of gas?

Jun 24 in Blockchain by Neha Agarwal
 • 25 views
0 votes
0 answers

Network Parameter and additional node info file in R3 corda?

Is that network parameter and additional node ...READ MORE

Jun 21 in Blockchain by anonymous
 • 21 views
0 votes
0 answers

how can i integrate fog computing simulation tools and Blockchain for research purpose

Jun 21 in Blockchain by anonymous
 • 120 points • 17 views
0 votes
1 answer

Using public and private keys for Blockchain transaction

You need to provide the receiver's public ...READ MORE

Jun 20 in Blockchain by Will
 • 16 views
0 votes
1 answer

Symmetric key in cryptography

Yes, the same key is used to ...READ MORE

Jun 20 in Blockchain by Firoz
 • 13 views
0 votes
0 answers

Couldn't find network parameters file and compatibility zone wasn't configured/isn't reachable

After ran this command java -jar network-bootstrapper-VERSION.jar --dir <nodes-root-dir>.The files is generated.After ...READ MORE

Jun 19 in Blockchain by anonymous
 • 33 views
0 votes
0 answers

Is there any API for ether sent transaction in ethereum without using web3.js

I want to do a transaction (sent ...READ MORE

Jun 17 in Blockchain by vishal tyagi
 • 27 views
0 votes
0 answers

Can't call contract function in Remix in Web3 provider mode, but it works in Javascript VM

A simple contract for addition, an error ...READ MORE

Jun 15 in Blockchain by XHQ
 • 25 views
0 votes
1 answer

Trying to implement block-chain payment in website

There are many plugins that you can ...READ MORE

Jun 11 in Blockchain by Tina
 • 29 views
0 votes
1 answer

What is geth and solidity in Blockchain?

geth is a tool used to run a ...READ MORE

Jun 11 in Blockchain by Rishi
 • 32 views
0 votes
1 answer

web3 accounts coming undefined

Hi @gaurav! To access all the accounts, you ...READ MORE

Jun 10 in Blockchain by Ritvik
 • 21 views
0 votes
1 answer

Decentralisation and Smart contract

Hey, @Vijayaprasad! The decentralization in Blockchain refers ...READ MORE

Jun 6 in Blockchain by Omkar
 • 67,120 points • 23 views
0 votes
0 answers

Corda - How to check if counter party nodes are running?

0 I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 28 in Blockchain by Sriram
 • 160 points • 23 views
0 votes
0 answers

Corda - How to check if counter party nodes are running?

I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 27 in Blockchain by Sriram
 • 160 points • 10 views
0 votes
3 answers

Cannot find module 'fabric-network' - is my application installation done wrong?

First, install grpc and run it: $ npm ...READ MORE

May 20 in Blockchain by John
 • 145 views
0 votes
1 answer

Why Count keyword is used in HBase?

Hey, An aggregate function that returns the number ...READ MORE

May 24 in Blockchain by Gitika
 • 19,720 points • 18 views
0 votes
1 answer

Multichain installation error

Please follow the below steps to install ...READ MORE

May 22 in Blockchain by Wasim
 • 16 views
0 votes
0 answers

What will happen to the transactions with unconsumed states when modified contract is integrated in the network?

I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 22 in Blockchain by Sriram
 • 160 points • 36 views
+1 vote
1 answer

How the data stored in the blockchain is verified?

Hey @mayukha. When a transaction is is ...READ MORE

May 20 in Blockchain by Rajendra
 • 29 views
0 votes
1 answer

ERROR: for cli UnixHTTPConnectionPool(host='localhost, port=None) Read time out log_timeout_error()

Can't give proper solution without knowing what ...READ MORE

May 15 in Blockchain by Rishi
 • 30 views
0 votes
1 answer

What is the use of role when registering user in Hyperledger Fabric

When you register a user, that user ...READ MORE

May 2 in Blockchain by Raj
 • 488 views
+1 vote
1 answer

truffle compile

Try running the truffle commands as root. ...READ MORE

May 9 in Blockchain by Omkar
 • 67,120 points • 19 views
0 votes
1 answer

Module not found: Can't resolve './truffle-contract/build/contracts

Hey! Firstly, there seems to be a ...READ MORE

May 9 in Blockchain by Omkar
 • 67,120 points • 23 views
0 votes
1 answer

Unable to bring up first network in hyperledger fabric

I think there's a conflict with docker ...READ MORE

May 2 in Blockchain by Karan
 • 60 views
0 votes
1 answer

Not able to connect to Ethereum client.

There is another way to link it. ...READ MORE

Apr 28 in Blockchain by Aashish Pasricha
 • 38 views
0 votes
2 answers

How to install Ganache on Linux?

For linux you first need to download ...READ MORE

Jun 2 in Blockchain by Tushar
 • 170 points • 248 views
0 votes
1 answer

How can i import the csv/excel files into my contract and record the transaction ?

You can not directly import an excel/csv ...READ MORE

Apr 16 in Blockchain by Omkar
 • 67,120 points • 92 views
0 votes
1 answer

How can i integrate Omnet++ with ethereum ?? or is there any other simulator which can do this??

You can use Hive Validator. Using this, you ...READ MORE

Apr 9 in Blockchain by Omkar
 • 67,120 points • 57 views
+1 vote
1 answer

Permission is denied in Oracle VM when trying to move multichain util, multichaind and multichain-cli from tmp to /usr/local/bin

You will need root permissions to move a file ...READ MORE

Apr 8 in Blockchain by Omkar
 • 67,120 points • 30 views
+1 vote
4 answers

Uncaught Error: Returned values aren't valid, did it run Out of Gas?

Could be due to previously set values. ...READ MORE

Jan 30 in Blockchain by Omkar
 • 67,120 points • 572 views
0 votes
1 answer

Hyperledger error-installation error

Hey, there is a thread for the ...READ MORE

Apr 5 in Blockchain by Omkar
 • 67,120 points • 40 views
0 votes
1 answer

Solidity, why the used function is placed before the brace "{}" when define a new function?

Hey there! 1. Yes, using the same name ...READ MORE

Apr 3 in Blockchain by Omkar
 • 67,120 points • 70 views
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