Stephen Collie Enterprises New Zealand


  • Cryptography

    Cryptography: A Brief History from Symmetry to Bitcoin

    Introduction to Cryptography There’s nothing you can know that isn’t known. Nothing you can see that isn’t shown. All you need is…PUBLIC KEY CRYPTOGRAPHY!!! – with apologies to Lennon-McCartney Without public key cryptography, cryptocurrency fails. Public key cryptography proves [...]
  • Electrum Review

    Cryptocurrency: Electrum Wallet Review

    Electrum Wallet Review Electrum is one of the founding fathers of cryptocurrency software wallets. Launched on November 5, 2011, the wallet is a lightweight Bitcoin client, which is to say that it interfaces with Bitcoin’s network without its users having to download the blockchain by running [...]
  • Internet of Services (IOST)

    Beginners Guide to Internet of Services Token (IOST)

    What is the Internet of Services (IOS)? The Internet of Services (IOS) is a blockchain infrastructure that’s aiming to solve maybe the biggest problem in blockchain today – scalability. The platform’s native token is the IOS token, IOST for short. Market Problem: Current blockchain [...]
  • Styled-components leverages the power of a complete programming language—JavaScript—and its scoping capabilities to help structure the code into components.

    Styled-Components: CSS-in-JS Library for the Modern Web

    This post was written by Jeremy Davis, JavaScript Developer for Toptal. CSS was designed for documents, what the “old web” was expected to contain. The emergence of pre-processors like Sass or Less shows that the community needs more than what CSS offers. With web apps getting more and more [...]
  • Payyour bills with Bitcoin

    How to Pay Your Bills with Bitcoin

    Paying Your Bills with Bitcoin The decentralized market continues to see massive adoption on a global scale but many new investors are still unaware of how to spend their crypto in practical ways such as paying bills directly. New investors are flocking to the marketplace in record numbers and [...]
  • Python Multithreading

    Python Multithreading and Multiprocessing Tutorial

    This post was written by Marcus McCurdy, Software Engineer for Toptal Discussions criticizing Python often talk about how it is difficult to use Python for multithreaded work, pointing fingers at what is known as the global interpreter lock (affectionately referred to as the GIL) that prevents [...]
  • Trade Cryptocurrency

    Tips on How to Become a Cryptocurrency Trader

    Allright, You Want to Start Cryptocurrency Trading? Well, you’ve come to the right place. Getting started with cryptocurrency trading can be a daunting task. You may be wondering, “What wallet should I use? Where do I buy Bitcoin? What even is a Bitcoin?” Worry no more. We’re here to [...]
  • deployment_pipeline

    How to Build an Effective Initial Deployment Pipeline

    This post was written by Amin Shah Gilani, JavaScript developer for Toptal. I love building things—what developer doesn’t? I love thinking up solutions to interesting problems, writing implementations, and creating beautiful code. However, what I don’t like is operations. Operations is [...]
  • Diversify your Cryptocurrency trading portfolio

    How to Build a Proper Cryptocurrency Trading Portfolio

    Coins, Coins Everywhere When starting cryptocurrency trading, the vast number of coins to choose from can be overwhelming. From the thousands out there, how can you possibly decide which few to keep in your portfolio? Although there are an endless amount of strategies when choosing coins, [...]
  • A Guide to Understanding Software Containers

    Risk vs. Reward: A Guide to Understanding Software Containers

    This post was written by Jonathan Bethune, Python developer for Toptal. Those of us who are old enough can remember a day when software was delivered primarily by physical media. The spread of broadband internet and smartphones has led us to the age of the web service software hosted in the [...]
  • Animecoin

    How to Buy Animecoin (ANI)

    How to Buy Animecoin (ANI) Animecoin has been around since 2014 but has been fairly inactive until now. A new team has resurrected the coin from the dead bringing its price to life along with it. With these changes happening so recently, you’re only able to buy Animecoin from one exchange: [...]
  • Programming Editor

    Best Programming Editors? A Never Ending Battle With No Clear Winner

    This post was written by Phillip Brennan, Software Developer for Toptal. Regardless of the apparent evidence to the contrary, programmers are humans. And, as all humans, we like taking advantage over our freedom of choice. Whether that choice is about taking the red pill or the blue pill, [...]
  • Vue is a Javascript Framewokr

    Creating Server-side Rendered Vue.js Apps Using Nuxt.js

    This post was written by Ben Jones, Front-end Developer for Toptal. Ben is a skilled developer who always keeps the user in mind, which allows him to see how beneficial or detrimental a development process can be. He wants to create simple but effective software to reduce workload on all sides [...]
  • Declarative Programming

    Declarative Programming: Is It A Real Thing?

    This post was written by Federico Pereiro, JavaScript Developer for Toptal. Declarative programming is, currently, the dominant paradigm of an extensive and diverse set of domains such as databases, templating and configuration management. In a nutshell, declarative programming consists of [...]
  • BTC Full Nodes

    How to Set Up Bitcoin Full Nodes

    What’s a Bitcoin full node? The Bitcoin network is a collection of computers all over the world running the Bitcoin Core software that verifies transactions and blocks. It’s the distribution of these “nodes” (the term for a computer attached to the network) and the fact that anyone can set one [...]
  • Machine Learning

    Machine Learning Video Analysis: Identifying Fish

    This post was written by Michael Karchevsky, C++ Developer for Toptal. Competitions are a great way to level up machine learning skills. Not only do you get access to quality datasets, you are also given clear goals. This helps you focus on the important part: designing quality solutions for [...]
  • Credit Card Hacking

    With a Filter Bypass and Some Hexadecimal, Hacked Credit Card Numbers Are Still, Still Google-able

    This article is written by Gergely Kalman and originally posted at Toptal A Word on Credit Card Hacking If you know me, or have read my previous post, you know that I worked for a very interesting company before joining Toptal. At this company, our payment provider processed credit card [...]
  • Node-JS

    Why The Heck Would I Use Node.js? A Case-by-Case Tutorial

    This post was written by Tomislav Capan, JavaScript Developer for Toptal. Introduction Before digging into Node.js, you might want to read up on the benefits of using JavaScript across the stack which unifies the language and data format (JSON), allowing you to optimally reuse developer [...]



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