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Buy And Sell Bitcoin

Buy And Sell Bitcoin

Prerequisites: Local development environment If you are building a bitcoin application, chances are, you want your users tohave some bitcoin to be able to use your app. You can use Coinbase APIto help your users buy bitcoin. In this short guide youll learnhow to buy and sell bitcoin programmatically. We will set upvery simple price thresholds to buy or sell bitcoin automatically. First, you need to make sure you have a verified payment method associatedwith your Coinbase account. require 'coinbase/wallet'client = Coinbase::Wallet::Client.new(api_key: , api_secret: , CB_VERSION: 'YYYY-MM-DD')payment_methods = client.payment_methodsputs payment_methods from coinbase.wallet.client import Clientclient = Client(, , api_version='YYYY-MM-DD')payment_methods = client.get_payment_methods() var Client = require('coinbase').Client;var client = new Client({ 'apiKey': 'API KEY', 'apiSecret': 'API SECRET', 'version':'YYYY-MM-DD'});client.getPaymentMethods(function(err, paymentMethods) { console.log(paymentMethods);}); Now that youve confirmed that you can buy and sell bitcoin, lets go ahead and set upsimple price checks that will trigger either a buy or a sell when the price of bitcoincrosses the corresponding threshold: account = client.primary_accountpayment_method = client.payment_methods.firstbuy_price_threshold = 200sell_price_threshold = 500buy_price = client.buy_price({currency: 'USD'})sell_price = client.sell_price({currency: 'USD'})if sell_price.amount.to_f <= sell_price_threshold sell = account.sell({"amount" => "1", "currency" => "BTC", "payment_method" => payment_method.id})endif buy_price.amount.to_f <= buy_price_threshold buy = account.buy({"amount" => "1", "currency" => "BTC", "payment_method" => payment_method.id})end account = client.get_primary_account()payment_met Continue reading >>

Block.io: Bitcoin Api And More

Block.io: Bitcoin Api And More

Block.io does not control your addresses, you do. You use the Blockchain to process your own assets. Processing a transaction on your website takes only a few steps: When a user owes you coins, create an address on Block.io for them by calling get_new_address. You can use a label to identify this transaction. For instance, get_new_address with label=useridXdonutsXdate. The get_new_address call will generate a new transaction address. Give them the new address so they can send you coins/assets. You can now check if the user has sent the transaction by calling get_address_balance for the above label. If the coin balance returned is the amount you requested from your user, you can give them their merchandize. Simple. When presenting the address to your user for the transaction, it is best to use a QR Code to make the process simpler for them. You can generate QR code using various libraries, including this one for Javascript. With Block.io, you can create wallet addresses for users inside your games, auction sites, stores, etc. To create a user's wallet on your account, create addresses for them using get_new_address. You should specify a sequence of labels for that user. For instance, if we wish to create a number of addresses for User A, we'd want to call get_new_address with label=userAx{address_number} as many times as wish to create a new address for User A. Once we have addresses for User A, we can query balances for their addresses, and send coins on the user's behalf. Our Green Addresses () allow our users to transact coins instantly with enabled sites. More specifically, we ensure coins cannot be double spent, so our users can use coins without network confirmations. This removes the Blockchain confirmation delay (10min for Bitcoin, 1min for Dogecoin, etc.), whil Continue reading >>

Analyzing Cryptocurrency Markets Using Python | Hacker News

Analyzing Cryptocurrency Markets Using Python | Hacker News

I think it helps to "step out" with correlation/regression to understand why something may be spurious or why you get the high correlation values that you do. In some cases, there is no logical connection between variables which leads to spurious regression. However, in this case, if you "step out", the reason for the correlation is pretty obvious. There has been a lot of money pouring into crypto recently because most people are speculating on the space as a whole. Bitcoin's price is too high for smaller investors to make a significant amount of money on, but when a big Bitcoin move makes the news, those investors want a piece. They then pour money into the smaller coins, hoping to get a larger return on their investment. All of this is to say that I think this is the opposite of spurious correlation. However, that doesn't make the correlation meaningful in any way. When ETH or BTC jumps and makes the news, the other coins tend to follow because the whole space is speculative right now. This would be more appropriately titled "downloading, cleaning, and plotting cryptocurrency price data using pandas and plotly in a Jupyter notebook." TL DR the analysis is just a couple of time series correlation coefficient heatmaps. That being said this is a great tutorial for people just starting out with data handling and analysis in pandas. It's great how readily available financial data is with cryptocurrencies! As a complement to this post, I've been recently working with Jupyter notebooks to analyze high-frequency trading activity in Bitcoin markets [1]. I've been listening to the GDAX socket since end July, so I have almost a month's worth of tick data (~ 7GB+ gzip compressed JSON data, it surely explodes to ~100 GB after extracting). If somebody is interested to carry out fu Continue reading >>

A Practical Introduction To Blockchain With Python

A Practical Introduction To Blockchain With Python

Blockchain is arguably one of the most significant and disruptive technologies that came into existence since the inception of the Internet. It's the core technology behind Bitcoin and other crypto-currencies that drew a lot of attention in the last few years. As its core, a blockchain is a distributed database that allows direct transactions between two parties without the need of a central authority. This simple yet powerful concept has great implications for various institutions such as banks, governments and marketplaces, just to name a few. Any business or organization that relies on a centralized database as a core competitive advantage can potentially be disrupted by blockchain technology. Putting aside all the hype around the price of Bitcoin and other cryptocurrencies, the goal of this blog post is to give you a practical introduction to blockchain technology. Sections 1 and 2 cover some core concepts behind blockchain, while section 3 shows how to implement a blockchain using Python. We will also implement 2 web applications to make it easy for end users to interact with our blockchain. Please note that I'm using Bitcoin here as a medium for explaning the more general technology of "Blockchain", and most of the concepts described in this post are applicable to other blockchain use cases and crypto-currencies. Below is an animated gif of the two web apps that we will build in section 3. It all started with a white paper released in 2008 by an unknown person or entity using the name Satoshi Nakamoto. The white paper was titled Bitcoin: A Peer-to-Peer Electronic Cash System and it laid the foundation of what later became known as Blockchain. In the original Bitcoin white paper, Satoshi described how to build a peer-to-peer electronic cash system that allows onli Continue reading >>

Jackyxie/ccxt - Packagist

Jackyxie/ccxt - Packagist

The list above is updated frequently, new crypto markets, altcoin exchanges, bug fixes, API endpoints are introduced and added on a regular basis. See the Manual for details. If you don't find a cryptocurrency exchange market in the list above and/or want another exchange to be added, post or send us a link to it by opening an issue here on GitHub or via email. The library is under MIT license , that means it's absolutely free for any developer to build commercial and opensource software on top of it, but use it at your own risk with no warranties, as is. For trading with private APIs you need to obtain API keys from/to exchange markets. It often means registering with exchanges and creating API keys with your account. Most exchanges require personal info or identification. Some kind of verification may be necessary as well. If you want to trade you need to register yourself, this library will not create accounts or API keys for you. Some exchange APIs expose interface methods for registering an account from within the code itself, but most of exchanges don't. You have to sign up and create API keys with their websites. This library implements full public and private REST APIs for all exchanges. WebSocket and FIX implementations in JavaScript, PHP, Python and other languages coming soon. The ccxt library supports both camelcase notation (preferred in JavaScript) and underscore notation (preferred in Python and PHP), therefore all methods can be called in either notation or coding style in any language. // both of these notations work in JavaScript/Python/PHPexchange.methodName () // camelcase pseudocodeexchange.method_name () // underscore pseudocode 'use strict';const ccxt = require ('ccxt');(async function () { let kraken = new ccxt.kraken () let bitfinex = new ccxt. Continue reading >>

Api For Bitcoin Data

Api For Bitcoin Data

This document is a comprehensive guide to using the Quandl API to access our free bitcoin data. If you havent already done so, we recommend reading Quandls general API documentation ; the functionality will be a lot clearer if you do so. Quandl offers free Bitcoin exchange rates for 30+ currencies from a variety of exchanges. Quandls simple API gives access to Bitcoin exchanges and daily Bitcoin values. With numerous software packages, including R and Python, Quandl is the easiest way to find and download historical Bitcoin prices. You can view up to date Bitcoin market data on our Bitcoin Markets page. This page is a tutorial on usage of the API to access Bitcoin data. Accessing Bitcoin data via the API is no different than the mechanism for all data on Quandl. The purpose of this help page is simply to explain the specific nomenclature were using for Bitcoin data. For general help, see API . For packagespecific help, start on the tools page. All Bitcoin codes follow the same format: Australian dollar exchange rate on BTCMarket exchange: Honk Kong dollar exchange rate from MT. Gox: Thai Baht exchange rate from LocalBTC exchange: Additional information is available on our API page . All of Quandls datasets are also available through a number of tools Your email address will not be published. Required fields are marked * Quandl offers a simple API for stock market data downloads. Our daily data feeds deliver end-of-day prices, historical stock fundamental data, harmonized fundamentals, financial ratios, indexes, options and volatility, earnings estimates, analyst ratings, investor sentiment and more. This post describes how our stock market data is organized, and explains how to access it. Data Organization: Time-series vs. Tables Quandl's data products come in many for Continue reading >>

Get Latest Bitcoin And Other Crypto-currencies Rates Using Python Django -

Get Latest Bitcoin And Other Crypto-currencies Rates Using Python Django -

Get latest Bitcoin and other crypto-currencies rates using python Django James Howells is trying to dig a landfill site to get 7500 bitcoins that were dumped there in 2013. To be a good investor, it is necessary that you keep track of ups and downs in the market. ' There are multiple platforms where you can track the price of bitcoin. But for a python programmer that is no fun. Being a python programmer we will develop our own project where we can get latest bitcoin and other crypto-currency prices. It is always recommended to use virtual environment for all your python and Django projects. Create a virtual environment using python3 using below command. Install the latest Django version and other required libraries. For now only requests package is required. We will add other packages later if required. This will install Django 2.0 and requests package along with some other package. You can verify the same by running commandpip freeze. (crypto) [email protected]: crypto$ pip freezecertifi==2017.11.5chardet==3.0.4Django==2.0idna==2.6pytz==2017.3requests==2.18.4urllib3==1.22 Once virtual environment has been setup and activated, create a new django project. Go to crypto project directory and list the files. Since we are working on Django 2.0 , we need to take care of few things which we will highlight as we progress. Add this app to the list of installed apps in settings.py file. from django.urls import pathfrom . import viewsapp_name = 'bitcoin'urlpatterns = [ path('', views.index, name="index"),] Django 2.0 Note: Adding app_name in urls.py is require now, otherwise you will get the below error. 'Specifying a namespace in include() without providing an app_name 'django.core.exceptions.ImproperlyConfigured: Specifying a namespace in include() without providing an app_name is n Continue reading >>

Github - Ofek/bit: Bitcoin Made Easy.

Github - Ofek/bit: Bitcoin Made Easy.

Bit is Python's fastest Bitcoin library and was designed from the beginning to feel intuitive, beeffortless to use, and have readable source code. It is heavily inspired by Requests and Keras . Bit is so easy to use, in fact, you can do this: >>> from bit import Key>>>>>> my_key = Key(...)>>> my_key.get_balance('usd')'12.51'>>>>>> # Let's donate!>>> outputs = [>>> # Wikileaks>>> ('1HB5XMLmzFVj8ALj6mfBsbifRoD4miY36v', 0.0035, 'btc'),>>> # Internet Archive>>> ('1Archive1n2C579dMsAu3iC6tWzuQJz8dN', 190, 'jpy'),>>> # The Pirate Bay>>> ('129TQVAroeehD9fZpzK51NdZGQT4TqifbG', 3, 'eur'),>>> # xkcd>>> ('14Tr4HaKkKuC1Lmpr2YMAuYVZRWqAdRTcr', 2.5, 'cad')>>> ]>>>>>> my_key.send(outputs)'9f59f5c6757ec46fdc7440acbeb3920e614c8d1d247ac174eb6781b832710c1c' Here is the transaction . Python's fastest available implementation (100x faster than closest library) Seamless integration with existing server setups First class support for storing data in the blockchain Access to the blockchain (and testnet chain) through multiple APIs for redundancy Optimal transaction fee API, with optional caching Multiple representations of private keys; WIF, PEM, DER, etc. Continue reading >>

Bitcoin With Python Coinmonks Medium

Bitcoin With Python Coinmonks Medium

In this tutorial, we are going to introduce Bitcoin using Python. We will be using Pythons bitcoin library, conveniently called bitcoin. To get started with Bitcoin using Python, we need, A Computer which can run Python programming environment A basic knowledge of Python or another scripting language Ability to run commands and programs from a command line program Download and install python from Make sure to download the Python 3.x as thats the one we are going to be using in this tutorial. After you finish installing Python, open your command line program and execute below command to install bitcoin python library We will start with a writing a Hello World equivalent of Bitcoin in Python. To write your python, you can need a code or text editor which supports writing in ASCII format. You cannot use MS Word of Wordpad for this. You could use Notepad, but we recommend using Atom Code Editor , a free code editor. Open your favorite editor and type in below code. In this code, we are first importing the bitcoin library. We are then generating a private key using random_key function and we are then displaying the private key on the screen. Save it as a .py file and then open your command line program and run the above program like this. Next we generate a public key. We do this by passing the private key we generated to privtopub function Next, we create a multi-signature bitcoin address. Multi-signature address is an address that is associated with more than one private key. So, we first create 3 public and private keys. We then create a multi-sig by passing the 3 public keys to mk_multisig_script function. Finally, the resulting multi-sig is passed to scriptaddr function to create the multi signature bitcoin address. print(Private Key 1: + my_private_key1) my_public_key Continue reading >>

Osint Investigation Based On Gao Report About Firearm Sales In Dark Web + Bitcoin Tracking Withpython

Osint Investigation Based On Gao Report About Firearm Sales In Dark Web + Bitcoin Tracking Withpython

In November, last year, GAO (Government Accountability Office) and ATF (The Bureau of Alcohol, Tobacco, Firearms and Explosives) released report about firearm sales in Internet. Investigation has consisted of covered attempts to purchase a weapon on Surface Web and Dark Web. 2 of 7 attempts on Dark Web were successful. Based on different OSINT techniques, I was trying to find in which marketplace agents bought guns and track the transaction if possible. Spoiler alert I think its not possible. I really encourge you to read whole report, Ive learned a lot of interesting things reading it. If you want to see how real trade in Dark Web looks like, read this article from Sam Biddle. All of 72 tries on Surface Web have ended with agents empty hands. Because of different law obligations, no vendor agreed to sell illegally firearms to covered agents. Lets look what can we gather about Dark Web investigation, which can be helpful in further targeting. ATF Enforcement Efforts and Outcomes of GAO Covert Testing page3 Report states as above, but doesnt point how much time was allocate for each task Surface Web and Dark Web. ATF Enforcement Efforts and Outcomes of GAO Covert Testing page19 First weapon was semi automatic AR-15 and description mentions obliterated serial number and method of shipping. ATF Enforcement Efforts and Outcomes of GAO Covert Testing page20 In this case, we can learn that purchased weapon was Israeli-made and was wrongly advertised. No words about serial number this time. ATF Enforcement Efforts and Outcomes of GAO Covert Testing page19 Of course, there are no names of the markets. Only marketplaces and online auctions are mentioned by word. Having this information, we are sure that agents didnt try to buy firearms on some forums or chans. Also second sente Continue reading >>

Ccxt Pypi

Ccxt Pypi

The list above is updated frequently, new crypto markets, altcoin exchanges, bug fixes, API endpoints are introduced and added on regular basis. See the Manual for details. If you dont find a cryptocurrency exchange market in the list above and/or want another market to be added, post or send us a link to it by opening an issue here on GitHub or via email. The library is under MIT license, that means its absolutely free for any developer to build commercial and opensource software on top of it, but use it at your own risk with no warranties, as is. Developer team is open to collaboration and available for hiring and outsourcing. If youre interested in integrating this software into an existing project or in developing new opensource and commercial projects we welcome you to read our Public Offer. This library is shipped as a single-file (all-in-one module) implementation with minimalistic dependencies and requirements. The ccxt library can also be used in web browser client-side JavaScript for various purposes. git clone The client-side JavaScript version also requires CryptoJS. Download and unpack CryptoJS into your working directory or clone CryptoJS from GitHub . git clone Finally, add links to CryptoJS components and ccxt to your HTML page code: // print all available markets document.addEventListener ('DOMContentLoaded', () => console.log (ccxt)) The ccxt library consists of a public part and a private part. Anyone can use the public part out-of-the-box immediately after installation. Public APIs open access to public information from all exchange markets without registering user accounts and without having API keys. This library implements full public and private REST APIs for all exchanges. WebSocket and FIX implementations in JavaScript, PHP, Python and other l Continue reading >>

Python Project For Beginners: Bitcoin Price Notifications

Python Project For Beginners: Bitcoin Price Notifications

Welcome to the first article in a series of articles on Python projects for beginners! In this tutorial were going to build a Bitcoin price notification service During this project youll learn about HTTP requests and how to send them using the (appropriately named) requests package. Youre going to learn about webhooks and how you can use them to connect your Python app to external services, such as phone notifications or Telegram messages. With relatively little code (~50 lines) youre going to arrive at a full-fledged Bitcoin price notification service that will be easily extendable to other cryptocurrencies and services. As we all know, Bitcoin price is a fickle thing. You never really know where its going to be at the end of the day. So, instead of constantly checking various sites for the latest updates, lets make a Python app to do the work for you. For this, were going to use the popular automation website IFTTT . IFTTT (if this, then that) is a web service that bridges the gap between different apps and devices. One for emergency notification when Bitcoin price falls under a certain threshold; and another for regular Telegram updates on the Bitcoin price. Both will be triggered by our Python app which will consume the data from the Coinmarketcap API . An IFTTT applet is composed of two parts: a trigger and an action. In our case, the trigger will be a webhook service provided by IFTTT. You can think of webhooks as user-defined HTTP callbacks and you can read more aboutthem here . Our Python app will make an HTTP request to the webhook URL which will trigger an action. Now, this is the fun partthe action could be almost anything you want. IFTTT offers a multitude of actions like sending an email, updating a Google Spreadsheet and even calling your phone. Lets star Continue reading >>

Ccxt Pypi

Ccxt Pypi

The list above is updated frequently, new crypto markets, altcoin exchanges, bug fixes, API endpoints are introduced and added on regular basis. See the Manual for details. If you dont find a cryptocurrency exchange market in the list above and/or want another exchange to be added, post or send us a link to it by opening an issue here on GitHub or via email. The library is under MIT license , that means its absolutely free for any developer to build commercial and opensource software on top of it, but use it at your own risk with no warranties, as is. Developer team is open to collaboration and available for hiring and outsourcing. If youre interested in integrating this software into an existing project or in developing new opensource and commercial projects we welcome you to read our Public Offer. This library implements full public and private REST APIs for all exchanges. WebSocket and FIX implementations in JavaScript, PHP, Python and other languages coming soon. The ccxt library supports both camelcase notation (preferred in JavaScript) and underscore notation (preferred in Python and PHP), therefore all methods can be called in either notation or coding style in any language. // both of these notations work in JavaScript/Python/PHPexchange.methodName () // camelcase pseudocodeexchange.method_name () // underscore pseudocode 'use strict';var ccxt = require ('ccxt');(() => async function () { let kraken = new ccxt.kraken () let bitfinex = new ccxt.bitfinex ({ verbose: true }) let huobi = new ccxt.huobi () let okcoinusd = new ccxt.okcoinusd ({ apiKey: 'YOUR_PUBLIC_API_KEY', secret: 'YOUR_SECRET_PRIVATE_KEY', }) let krakenMarkets = await kraken.loadMarkets () console.log (kraken.id, krakenMarkets) console.log (bitfinex.id, await bitfinex.loadMarkets ()) console.log ( Continue reading >>

Track Bitcoin Prices On A Live Graph With Python

Track Bitcoin Prices On A Live Graph With Python

Track Bitcoin prices on a live graph with Python You will need Python 3+ installed on your machine. Basic knowledge of Python, Flask and JavaScript will be helpful. Graphs and charts are great for representing information in a clear and concise way. They can be used in various apps to show data to users when needed. Quickly changing data can be better represented using realtime graphs and charts as users can quickly see both current and historical data easily. In this tutorial, we will be making use of Pusher Channels , Plotly and Flask to build a simple app for displaying the price of a Bitcoin in a realtime graph and bar chart. Here is what the final app will look like: To follow along properly, basic knowledge of Python, Flask and JavaScript (ES6 syntax) is needed. You will also need to install Python and virtualenv locally. Virtualenv is a tool that helps us create isolated Python environments. This makes it possible for us to install dependencies (like Flask) in an isolated environment, and not pollute our global packages directory. To install virtualenv: As stated earlier, we will be developing using Flask, a web framework for Python. In this step, we will activate a virtual Python environment and install Flask for use in our project. mkdir realtime-graph cd realtime-graph virtualenv .venv source .venv/bin/activate Note: To activate the virtual environment on a Windows machine, you would need to enter the path to the activate file (in .venv/Scripts) in Powershell / command prompt. You can find more info here . We will also need the Requests library. Let us install it now: Pusher is a service that makes it easy for us to supercharge our web and mobile applications with realtime updates. We will be using it primarily for powering the realtime updates to our graphs. Continue reading >>

Github - Ccxt/ccxt: A Javascript / Python / Php Cryptocurrency Trading Library With Support For More Than 100 Bitcoin/altcoin Exchanges

Github - Ccxt/ccxt: A Javascript / Python / Php Cryptocurrency Trading Library With Support For More Than 100 Bitcoin/altcoin Exchanges

A JavaScript / Python / PHP cryptocurrency trading library with support for more than 100 bitcoin/altcoin exchanges If nothing happens, download GitHub Desktop and try again. If nothing happens, download GitHub Desktop and try again. If nothing happens, download Xcode and try again. If nothing happens, download the GitHub extension for Visual Studio and try again. CCXT CryptoCurrency eXchange Trading Library A JavaScript / Python / PHP library for cryptocurrency trading and e-commerce with support for many bitcoin/ether/altcoin exchange markets and merchant APIs. The CCXT library is used to connect and trade with cryptocurrency / altcoin exchanges and payment processing services worldwide. It provides quick access to market data for storage, analysis, visualization, indicator development, algorithmic trading, strategy backtesting, bot programming, webshop integration and related software engineering. It is intended to be used by coders, developers, technically-skilled traders, data-scientists and financial analysts for building trading algorithms on top of it. support for many exchange markets, even more upcoming soon fully implemented public and private APIs for all exchanges all currencies, altcoins and symbols, prices, order books, trades, tickers, etc... optional normalized data for cross-exchange or cross-currency analytics and arbitrage an out-of-the box unified all-in-one API extremely easy to integrate works in Node 7.6+, Python 2 and 3, PHP 5.3+, web browsers The ccxt library currently supports the following 114 cryptocurrency exchange markets and trading APIs: The list above is updated frequently, new crypto markets, altcoin exchanges, bug fixes, API endpoints are introduced and added on a regular basis. See the Manual for details. If you don't find a cryptoc Continue reading >>

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