Trending questions in Blockchain

0 votes
1 answer

My first Hyperledger fabric network is not working

Delete as admin the channel-artifacts folder, down ...READ MORE

Aug 10, 2018 in Blockchain by Johnathon
 • 9,090 points • 2,282 views
0 votes
1 answer

SHA256 does not give expected result.

You're hashing the string when you're supposed ...READ MORE

Aug 24, 2018 in Blockchain by digger
 • 26,740 points • 1,675 views
0 votes
1 answer

Bitcoin: error parsing json

Make these changes in your code: json="'{" to ...READ MORE

Aug 22, 2018 in Blockchain by digger
 • 26,740 points • 1,751 views
0 votes
1 answer

Not able to generate WIF from extended private key

I found the answer to this in the ...READ MORE

Aug 29, 2018 in Blockchain by digger
 • 26,740 points • 1,449 views
0 votes
1 answer

Coinbase currency_exchange error

This is the fix: $(document).ready(function () { ...READ MORE

Aug 30, 2018 in Blockchain by digger
 • 26,740 points • 1,404 views
0 votes
1 answer

Angular 4: not able to iterate over an array

Replace this : <div *ngFor="let price of prices"> ...READ MORE

Sep 3, 2018 in Blockchain by digger
 • 26,740 points • 1,229 views
0 votes
1 answer

Can't open a to big .csv file in python

You can't "split a file", but you can read ...READ MORE

Sep 3, 2018 in Blockchain by slayer
 • 29,370 points • 1,228 views
0 votes
1 answer

Google API post request to IBM blockchain error

You have specified query as parameter to method and function but if you ...READ MORE

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 737 views
0 votes
1 answer

Blockchain Hyperledger private key not able to send coins

From the code you posted, if(whichType == TX_SCRIPTHASH){//pay ...READ MORE

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 737 views
0 votes
1 answer

How to get data from Google Finance to Google sheets?

You need to have a from and ...READ MORE

Aug 21, 2018 in Blockchain by slayer
 • 29,370 points • 1,766 views
0 votes
1 answer

Coinbase python APIError: Failed to send money

You might want to look at the response of ...READ MORE

Sep 5, 2018 in Blockchain by slayer
 • 29,370 points • 1,116 views
0 votes
1 answer

Bruteforcing OpenSSL to decrypt bitcoin backup.

You need to add -passin pass:XXX options, where XXX ...READ MORE

Aug 24, 2018 in Blockchain by digger
 • 26,740 points • 1,636 views
0 votes
1 answer

Smart contract limitations in Ethereum and Hyperledger Fabric

No, the contract cannot sign on behave of B. A ...READ MORE

Sep 11, 2018 in Blockchain by Christine
 • 15,790 points • 853 views
0 votes
1 answer

Python authenticated calls to bitfinex exchange

You should use byte type api_secret. api_secret = ...READ MORE

Sep 7, 2018 in Blockchain by slayer
 • 29,370 points • 1,024 views
0 votes
1 answer

How to get genesis block value at new bitcoin source?

chainparams.cpp contains a line of code that ...READ MORE

Sep 4, 2018 in Blockchain by digger
 • 26,740 points • 1,148 views
0 votes
1 answer

eth.getBalance() always returns 0 in testnet

You are not connecting to the right ...READ MORE

Jul 24, 2018 in Blockchain by Christine
 • 15,790 points • 2,955 views
+1 vote
1 answer

How do I check the history of my ethereum wallet using blockchain API?

f I understand well, you're looking for ...READ MORE

Aug 2, 2018 in Blockchain by Christine
 • 15,790 points • 2,524 views
0 votes
1 answer

obfuscating and deobfuscating a string in JavaScript

You can use btoa() and atob(). btoa() is like base64_encode() and atob() like base64_decode(). Here is an example: btoa('Some ...READ MORE

Aug 23, 2018 in Blockchain by slayer
 • 29,370 points • 1,655 views
0 votes
1 answer

How to resolve Blockchain DNS using Python Requests?

Look at this example: import requests from random import ...READ MORE

Aug 22, 2018 in Blockchain by Christine
 • 15,790 points • 1,716 views
0 votes
1 answer

Ubuntu "get attach" command failed

The geth.ipc gets created when Geth is succesfully launched.It ...READ MORE

Sep 7, 2018 in Blockchain by Surya
 • 971 views
+1 vote
2 answers

HyperLedger Fabric Java SDK - Wrinting the ChainCode Sample in Java

To get started developing Java chaincode Ensure you ...READ MORE

Aug 3, 2018 in Blockchain by Omkar
 • 69,220 points • 5,035 views
0 votes
1 answer

How to receive Json callback?

Try using $get = file_get_contents("php://input"); READ MORE

Aug 29, 2018 in Blockchain by slayer
 • 29,370 points • 1,356 views
0 votes
1 answer

Unable to establish session using blockchain-wallet-service

I have the same error. It gets ...READ MORE

Aug 31, 2018 in Blockchain by Sumit
 • 1,268 views
0 votes
2 answers

Coinbase-php createButton() throws 401 error

I found the explanation for this on ...READ MORE

Aug 30, 2018 in Blockchain by Naman
 • 1,268 views
0 votes
1 answer

How do transactions create a new block in Blockchain?

Bitcoin puts a cap of 2,400 transactions ...READ MORE

Aug 10, 2018 in Blockchain by Christine
 • 15,790 points • 2,155 views
0 votes
2 answers

sendmany bitcoin command problem in Dynamic PHP array

You might consider spliiting that array up ...READ MORE

Sep 3, 2018 in Blockchain by Tenneb
 • 1,149 views
0 votes
1 answer

JSON valid numerical param in Perl

Use 0.0 + sprintf('%.8f', $btc), 0.0 + $data{'amount'} READ MORE

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 777 views
0 votes
1 answer

Bitaps.com Error Code 10

Mistake in word qouta. Need quota $rules = [ ...READ MORE

Sep 7, 2018 in Blockchain by slayer
 • 29,370 points • 948 views
+1 vote
1 answer

Node.js API wrapper for altcoin exchange

In order to pass these variables to ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 772 views
0 votes
1 answer

SteemJS not working in Firefox/IE

npm install adcpm/steem#dev Just build it from develop ...READ MORE

Sep 14, 2018 in Blockchain by digger
 • 26,740 points • 636 views
0 votes
1 answer

Serializing payment details in google protocol buffers

This is how you can do it: serialized_payment_details ...READ MORE

Sep 11, 2018 in Blockchain by slayer
 • 29,370 points • 757 views
0 votes
1 answer

Vertically centering text in a div

Try this code: .smallUnitBox { ...READ MORE

Sep 3, 2018 in Blockchain by digger
 • 26,740 points • 1,100 views
0 votes
1 answer

How to get a value from SQLite to convert it?

Server side: b = BtcConverter(force_decimal=True) p1btc = b.get_latest_price('USD') p1btcr = ...READ MORE

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 971 views
0 votes
1 answer

Current JSON package to retrieve info from links

public static String btcvalue(){ ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,370 points • 970 views
0 votes
1 answer

Cant Decode Bitcoin Base58 address to byte array

In your for-loop: for (int k = b256.Length ...READ MORE

Aug 21, 2018 in Blockchain by digger
 • 26,740 points • 1,659 views
0 votes
1 answer

How to Track Payment API in Coinbase

Use the callback_url option as described in the API. ...READ MORE

Sep 5, 2018 in Blockchain by slayer
 • 29,370 points • 1,011 views
0 votes
2 answers

Truffle migrate gives “ Error: No network specified. ”

You have to mention on which network ...READ MORE

Aug 13, 2018 in Blockchain by Omkar
 • 69,220 points • 2,032 views
+4 votes
4 answers

How does the blockchain verification process work?

First of all, when someone creates a ...READ MORE

Mar 26, 2018 in Blockchain by Perry
 • 17,100 points • 3,454 views
0 votes
1 answer

Bitcoin address SHA256 pipe gives wrong output

You need to hash the raw byte ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 988 views
0 votes
1 answer

Solidity difference array with and without new keyword.

Creating arrays with variable length in memory ...READ MORE

Aug 16, 2018 in Blockchain by digger
 • 26,740 points • 1,852 views
0 votes
1 answer

"Blocking waiting for a file lock on the registry index" after building parity from source

I had the same issue and got ...READ MORE

Aug 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,360 views
0 votes
1 answer

Not able to run Bitcoin’s autogen.sh file.

Installing autoconf and automake would solve the ...READ MORE

Aug 22, 2018 in Blockchain by slayer
 • 29,370 points • 1,586 views
0 votes
1 answer

How can I take the required info and send it to a div in the html page?

window.onload=function(){ var anima = document.getElementById("crypto"); var ret = document.getElementById("btn"); ret.addEventListener("click",function(){ var ...READ MORE

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 931 views
0 votes
1 answer

Coinbase spot price SSL Error: does not support SSL at Request

Add 'strictSSL': false to the new client: var btcClient = ...READ MORE

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 926 views
0 votes
1 answer

Cannot download nvm install v.8.9.1 version - clang checksum do not match, sed issue

Try a clean install of node again npm ...READ MORE

Jul 25, 2018 in Blockchain by charlie_brown
 • 7,720 points • 2,774 views
0 votes
1 answer

Trying to deploy fabric v1.1.0 on Kubernetes but getting a random error

Any particular reason for following slightly older ...READ MORE

Aug 28, 2018 in Blockchain by Johnathon
 • 9,090 points • 1,327 views
0 votes
1 answer

Is it possible to claim BCH without knowing private key?

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

Sep 5, 2018 in Blockchain by Christine
 • 15,790 points • 949 views
0 votes
1 answer

Basic pusher connection to cryptsy using javascript

Try this <script src="//js.pusher.com/2.2/pusher.min.js" type="text/javascript"></script> <script type="text/javascript"> var pusher = ...READ MORE

Sep 11, 2018 in Blockchain by slayer
 • 29,370 points • 691 views
0 votes
1 answer

'ppa:ethereum' error while installing ethereum on ubuntu

First try: sudo apt-get install --reinstall ca-certificates If ...READ MORE

Jul 12, 2018 in Blockchain by slayer
 • 29,370 points • 3,326 views
0 votes
1 answer

How can i extract information from Ethereum blockchain using python?

Give the RPC (--rpc) option when you ...READ MORE

Jul 31, 2018 in Blockchain by Shashank
 • 10,400 points • 2,506 views
Page:

Most popular tags

"PMP®","PMI®", "PMI-ACP®" and "PMBOK®" are registered marks of the Project Management Institute, Inc. MongoDB®, Mongo and the leaf logo are the registered trademarks of MongoDB, Inc.