Latest questions in Blockchain

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1 answer

Using Bitcoin's sendmany function with perl

Replace the line  my $action = $api->call('sendmany','',%recipients); with  my ...READ MORE

Sep 11, 2018 in Blockchain by digger
 • 26,740 points • 1,184 views
+1 vote
1 answer

How do I use ZF2 I18n currencyformatter to format bitcoin?

From ZF2's documentation at http://framework.zend.com/manual/2.3/en/modules/zend.i18n.view.helpers.html I found the following ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 357 views
0 votes
2 answers

VBA code leads to #value! in cell but works in immediate box

Function GetPrice(strTicker As String, Optional dtDate As ...READ MORE

Sep 10, 2018 in Blockchain by Garry
 • 877 views
0 votes
2 answers

Can't get simple Coinbase button in Node to work

Coinbase sandbox is best to have when ...READ MORE

May 21, 2020 in Blockchain by anonymous
 • 140 points • 1,128 views
0 votes
2 answers

Creating a private/public key with 64 characters that are already known using bitcoinjs

//public-key var address = eckey.getBitcoinAddress().toString(); var privateKeyBytesCompressed = privateKeyBytes.slice(0); ...READ MORE

Sep 10, 2018 in Blockchain by Misty
 • 1,473 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 • 531 views
+1 vote
1 answer

Unable to convert variable to GMP when initializing Bitpay client class (Laravel)

Bitpay automatically uses the encrypted file store, ...READ MORE

Sep 10, 2018 in Blockchain by slayer
 • 29,350 points • 937 views
0 votes
2 answers

Saving a string in python associated with an API

You can create a list and add ...READ MORE

Sep 10, 2018 in Blockchain by Joy
 • 600 views
+1 vote
1 answer

Node.js blockchain bitcoin api

The callback URL should be the one ...READ MORE

Sep 10, 2018 in Blockchain by slayer
 • 29,350 points • 911 views
0 votes
1 answer

timmolter/XChange - Cryptsy GetFee

Looks like cryptsy posts their fees here: Fees if(VolumeInBTC ...READ MORE

Sep 10, 2018 in Blockchain by digger
 • 26,740 points • 320 views
0 votes
1 answer

Websockets for Block.io API giving an error message

Try something like this: https://jsfiddle.net/bxw3v8c7/ <html> <script src="http://code.jquery.com/jquery-1.11.0.min.js"></script> <script> var btcs = ...READ MORE

Sep 10, 2018 in Blockchain by slayer
 • 29,350 points • 812 views
+2 votes
3 answers

Blockchain and HyperLedger difference

Hey, you got it right! Blockchain is ...READ MORE

Sep 7, 2018 in Blockchain by Omkar
 • 69,230 points • 757 views
0 votes
1 answer

Blockchain: send payments to faucetbox

well there it is its work but ...READ MORE

Sep 7, 2018 in Blockchain by Vicky
 • 491 views
0 votes
1 answer

restarting bitcoin tesnet docker container, error flag '-ti'

`docker ps -a' shows you the containers, ...READ MORE

Sep 7, 2018 in Blockchain by Prakash
 • 525 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
 • 624 views
0 votes
1 answer

How to generate addresses from a file rather than specific phase

If the file with the passwords is ...READ MORE

Sep 7, 2018 in Blockchain by MI3
 • 471 views
0 votes
2 answers

PHP: json_decode - reading category names

<?php function findHighestBid() { $result = ...READ MORE

Sep 7, 2018 in Blockchain by Shotgun
 • 1,050 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
 • 29,350 points • 713 views
0 votes
1 answer

Cant install python module for python3.6 to use Jsonrpc for altcoin

Try this  VERSION=0.1 python3 setup.py install and there's also ...READ MORE

Sep 7, 2018 in Blockchain by digger
 • 26,740 points • 752 views
0 votes
1 answer

Boost issue while building Litecoin

Try reinstalling boost (uninstall and install again), ...READ MORE

Sep 7, 2018 in Blockchain by slayer
 • 29,350 points • 617 views
0 votes
1 answer

GDAX Heartbeat Channel: Failed to subscribe error

You to include "product_ids" : ["BTC-GBP"] as a field ...READ MORE

Sep 7, 2018 in Blockchain by digger
 • 26,740 points • 953 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
 • 29,350 points • 547 views
0 votes
1 answer

pybitcointools pushtx TypeError: expected string or buffer

From the looks of it, you need ...READ MORE

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 1,181 views
0 votes
2 answers

How to generate ethereum qr code address with amount?

You implement this package: ethereum-qr-code. It implements the EIP67 standard which uses ...READ MORE

Sep 6, 2018 in Blockchain by Omkar
 • 69,230 points • 4,728 views
0 votes
1 answer

Getting wrong result from SHA256 than what is expected

It's just an encoding issue - don't ...READ MORE

Sep 6, 2018 in Blockchain by digger
 • 26,740 points • 1,470 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
 • 29,350 points • 484 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 • 586 views
0 votes
1 answer

python-bittrex missing positional arguments

Looking at the source code from ericsomdahl/python-bittrex For the buy_limit function ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,350 points • 501 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 • 613 views
0 votes
1 answer

How to create a private bitcoin network using bitcore?

I think you need to add your ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,350 points • 1,083 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 • 526 views
0 votes
1 answer

Bitcoinj send payment from a wallet

The problem actually was with the input ...READ MORE

Sep 6, 2018 in Blockchain by slayer
 • 29,350 points • 1,666 views
0 votes
1 answer

what is the latest block chain development and top players with this tech, such as Digital Asset Holdings ?

The blockchain technology still has a few ...READ MORE

Sep 5, 2018 in Blockchain by Christine
 • 15,790 points • 359 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 • 585 views
0 votes
1 answer

Transaction Verification in Blockchain

Yes if your transaction was lucky enough ...READ MORE

Sep 5, 2018 in Blockchain by Christine
 • 15,790 points • 432 views
0 votes
1 answer

How to register a user in Hyperledger Fabric?

Best practice would be to leverage an ...READ MORE

Sep 5, 2018 in Blockchain by Christine
 • 15,790 points • 1,593 views
0 votes
1 answer

Problems using system() commands under Windows

You need to have double \ for ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 404 views
+1 vote
3 answers

HTML Bitcoin address parsing using Beautiful soup

Regex is not meant for parsing. As ...READ MORE

Sep 5, 2018 in Blockchain by Lewis
 • 1,388 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 • 628 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
 • 29,350 points • 599 views
+1 vote
1 answer

Need to convert bitcoin address function from php to Jquery

Use AJAX. It will be easier to ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 473 views
0 votes
1 answer

com.coinbase.api.exc­eption.UnauthorizedE­xception

Start by creating a new OAuth 2.0 ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 782 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
 • 29,350 points • 779 views
0 votes
1 answer

Retrieve epay.info Balance with VBA and Excel

This code should log you in, provided ...READ MORE

Sep 5, 2018 in Blockchain by digger
 • 26,740 points • 950 views
0 votes
1 answer

Javascript mBTC to BTC conversion not working

At the beginning of bitcoinConversion() you have: if (currentUnit != ...READ MORE

Sep 5, 2018 in Blockchain by slayer
 • 29,350 points • 876 views
+1 vote
3 answers

Pass all .dat files in folder to function

os.listdir(path) return names, not fullpaths change parseBlockFile(file) to fullpath = os.path.join(path,file) if os.path.isfile(fullpath) ...READ MORE

Sep 5, 2018 in Blockchain by Saygum
 • 2,070 views
0 votes
1 answer

python3 pip not working

The name of your package in PyPI ...READ MORE

Sep 4, 2018 in Blockchain by slayer
 • 29,350 points • 925 views
0 votes
2 answers

UnicodeDecodeError: 'utf-8' codec can't decode byte (python)

I found a python rpc library for ...READ MORE

Sep 4, 2018 in Blockchain by Piston
 • 2,804 views
0 votes
2 answers

Angular Bitcoin error: "Error trying to diff '[object Object]'"

There are two approaches to this: 1. You ...READ MORE

Sep 4, 2018 in Blockchain by slayer
 • 29,350 points • 13,359 views
0 votes
1 answer

Web-scraping from Coinbase with Python (Pycharm)

Data that you want to scrape is ...READ MORE

Sep 4, 2018 in Blockchain by digger
 • 26,740 points • 2,813 views
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