courses
Tackle that seemingly endless selection of course offerings; a roundup of helpful resources and sound advice for selecting the best courses and acing them.
The Best Explanation of Bitcoin of All Time!
What is bitcoin? What does Bitcoin do? Is it perfect, neither was email when it was invented in 1972. Thank you for the opportunity to speak with you today, my name is Peter Van Valkenburgh, and I'm the director of research at Coin Center, an independent non-profit focused on the public policy issues affecting cryptocurrency and public Blockchain networks. What is bitcoin? Bitcoin is the world's first cryptocurrency and it works because of the world's first public Blockchain network. What does Bitcoin do? It's simple. It lets you send and receive value to and from anyone in the world using nothing more than a computer and an internet connection. Now, why is it revolutionary? Because unlike every other tool for sending money over the Internet it works without the need to trust a middleman. The lack of any corporation in between means that Bitcoin is the world's first public digital payments infrastructure, and by public I simply mean available to all and not owned by any single entity. Now, we have public infrastructure for information, for websites for email it's called the internet but the only public payments infrastructure that we have is cash, as in paper money, and it only works in face-to-face transactions. Before Bitcoin if you wanted to pay someone remotely over the phone or the internet then you could not use public infrastructure. You would rely on a private bank to open their books and add a ledger entry that debits you and credits the person you're paying, and if you both don't use the same bank well then there'll be multiple Banks and multiple ledger entries in between. With Bitcoin the Ledger is the public Blockchain, and anyone can add an entry to that ledger transferring their Bitcoins to someone else and anyone regardless of their nationality, race, religion, gender, sex, or credit worthiness can for absolutely no cost create a Bitcoin address in order to receive payments digitally. Bitcoin is the world's first globally accessible public money. Is it perfect? No, neither was email when it was invented in 1972. Bitcoin's not the best money on every margin, uh it's not yet accepted everywhere. It's not used often to quote prices, and it's not always a stable store of value, but it is working, and the mere fact that it works without trusted intermediaries is amazing. It's a computer science breakthrough and it will be as significant for freedom, prosperity, and human flourishing. As the birth of the internet. And Bitcoin is just the beginning. If we can replace private payments infrastructure then we can replace other private choke points to human interaction as well. Now, why should we want to build more public infrastructure? Why should we embrace Blockchains over corporate intermediaries? Why should we tolerate their inefficiencies and work to make them better? Why should we want the pioneers of this technology here in the United States and not fleeing overseas? A simple reason, because the corporate intermediaries providing today's critical but privately owned infrastructure are becoming fewer, larger, and more powerful, and their failures are increasingly grave. So roughly half of all Americans, 143 million people had their social security numbers exposed to hackers because of a breach at Equifax. The Swift network has relayed hundreds of millions of dollars in fraudulent transactions because of hacked member banks in Bangladesh, Vietnam, Ecuador, and Russia. The FBI suspects now that the largest of these hacks was perpetrated by North Korea. A corrupt low-level employees at an Indian bank, Punjab National were able to fraudulently certify Swift messages stealing 1.8 billion dollars. It's the largest electronic bank robbery in history; in fact, it's the largest bank robbery in history. In October 2016, an estimated 1.2 million Internet connected devices were hacked and turned into a botnet that for several hours made prominent websites unavailable across Europe and North America, including CNN and Fox News, The New York Times and The Wall Street Journal. Increasingly physical machines are being connected to the internet to augment their capabilities. They're wired through servers that are owned and maintained by private and trusted intermediaries, the so-called Internet of Things. Pacemakers from St Jude's Hospital have been hacked. Baby monitors from TRENDnet have been hacked, and jeeps from Jeep have been hacked to the point where they can be remotely commandeered and driven off the road. Now those vulnerabilities are inescapable in systems that have single points of failure. It doesn't matter if the point of failure is a corporation or if it's a government, there shouldn't be a single point of failure. Similar choke points existed before the internet. If you wanted to deliver a message you'd have to go through one of three television broadcasters or a handful of newspapers. Private corporations are essential, but no critical infrastructure should rely on one or two. The internet removed single points of failure in communications infrastructure and ushered in a wave of competition among new media corporations … building on top of its public rails. Blockchains can similarly disintermediate critical payments and IOT infrastructure. The technology is not yet ready to answer all of those questions today, but it is our best hope, and as with the internet in the 1990s we need a light touch pro-innovation policy to ensure that these innovations flourish in America for the benefit and security of all Americans.
By P.P.C. Sisauy3 years ago in Education
Crankcase Ventillation in Turbo-Charged Engine
Introduction: As you know the Crankcase Ventillation system works by introducing blow-by gases from the crankcase to the intake where these gases act like fuel and improves efficiency, and performance, and reduces emissions. The working of Crankcase Ventilation system is different in turbo-charged engines. This happens due to turbo-lag(the time that the turbo-charger takes to create pressure during this time there is less pressure in intake). So, there are two modes of operation.
By Samie Ullah3 years ago in Education
From Assertive To Strategic: How Italian Football & Inter Milan Can Benefit From The Changing Global Football Posture Of Saudi Arabia
As superstars Ronaldo, Benzema, and Neymar moved from Europe to Saudi Arabia over the last twelve months, the Kingdom is going on the offensive – and Inter Milan could benefit from this.
By Andrea Zanon3 years ago in Education
The Surreal Sketchbook
Chapter 1: The Enigmatic Store Nestled between a dusty antique shop and a bustling café, The Surreal Sketchbook was the best-kept secret in town. It was known to only a few, yet those who stumbled upon it were forever changed by the power it held. The shop itself seemed to blend into the background, its unassuming façade barely noticeable among the lively storefronts that lined the cobbled streets.
By Rajesh kumar 3 years ago in Education
Exploring the Latest PHP Update: A Comprehensive Overview of New Features
PHP has risen to a prominent space in web development. PHP is leaving no stone unturned serving as a powerful foundation for the growth of numerous websites. With businesses largely getting digitalized and globalized the world of web development has been growing tremendously since. Facebook now Meta, which is the world's most popular social networking site has been developed on the Features of PHP. Web development entails creating engaging and interactive user experiences aimed at captivating the attention of people and giving them an impressive experience. These are all enabled by the special features of PHP.
By Emma Thompson3 years ago in Education
What is The Demand For Java Full Stack Developers in Today’s Tech Industry?
Introduction: Java Full Stack Development refers to the practice of making web applications that include both the front-end, which users associate with directly, and the back-end, which handles data handling and server operations, utilizing the Java programming language. The combination of front-end and back-end aptitudes inside a single developer is what characterizes a Java Full Stack developer. Setting out on a journey of technological ability frequently starts with Java Full Stack Training, where trying designers inundate themselves with the complexities of front-end and back-end advancement, honing their skills to become proficient architects of digital advancement.
By Sanvi Sahay3 years ago in Education
The Mysterious Depth of the Deep Web. and Why don't we use the Deep web?. Content Warning.
The term "deep web" often conjures up images of a hidden, dark underworld on the Internet. While it is true that the deep web has an aura of mystery, it is crucial to unraveling its complexity. In this article, we explore the deep web, understand what it is, and demystify the misconceptions surrounding it.
By Sarang Panhwar3 years ago in Education
The Glorious Triumph: ICC Men's Cricket World Cup 2023
The sun was blazing over the iconic Lord's Cricket Ground, bathing the lush green field in a golden hue. It was the opening day of the ICC Men's Cricket World Cup, a tournament that had the power to unite nations and captivate hearts. Fans from all corners of the globe had gathered to witness the clash of cricketing titans. The stage was set for an unforgettable tournament, but no one could have predicted the remarkable journey that lay ahead for one unexpected underdog team.
By SOORAJ A S3 years ago in Education
Psychology of Seduction
The experience of shifting your perspective to be more interested in other people's thoughts and ideas, which can be a wonderful way to learn and connect with others. It's like exploring a new world through their experiences and insights.
By Tyler Rueter3 years ago in Education
What is Python's Role in Machine Learning and AI?
Recently, Machine learning and artificial intelligence technology has grown popular. These technologies have benefited a wide range of industries. Do you know which programming language supports AI and ML models? Python programming language supports the methods and coding needed to make AI and ML models. So learning Python will offer many career paths in AI and ML fields. If you are a beginner to learning Python, consider taking an online Python certification training course, which allows you to study at your own pace. In this post, you can explore the role of the Python in AI and ML:
By leoanthony3 years ago in Education
