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We look into the roots of Bitcoin in the Cypherpunk movement and Libertarian ideals, and examine the revolutionary significance of Bitcoin as opposed to some of its early predecessors. We then move onto exploring the history of the crypto space as a whole. Bitcoin In Real Life: Wallets, Mining, and More We examine the most frequently used real world aspects of Bitcoin, such as wallets, wallet mechanics, mining, transactions, and Bitcoin governance.

We explain the various ways one can interface with the Bitcoin network, depending on the specific software they run. We then look into some of the use cases of Ethereum, and conclude with an overview of smart contracts and building decentralized applications. Having spent the last modules primarily on cryptocurrencies, this module encourages students to think about blockchain use cases outside of cryptocurrency. He holds a master's degree in computational mathematics and a master's degree in computer science.

He has published several papers on numerical computation in renowned academic journals. I would like to thank my wife Yufang and my son Kevin for their understanding, encouragement, support, and patience throughout this journey. I appreciate all the sacrifices you made so that I could complete the book. Dongying Song Dongying Song has more than four years of extensive hands-on experience in blockchain, Ethereum, big data, machine learning, and data science.

As an experienced software engineer and data scientist, she has worked for a top-tier bank and pharmaceutical companies.

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Bitcoin, Ethereum, Blockchain, DeFi, etc. You hear about it a lot on social media and on other places on the internet especially when their prices are rising , but the vast majority of people do not know much about what they are or what they do.

I was one of those people. Naturally, being curious, I wanted to learn more about these technologies. I did what all of us do: a web search. And I found a myriad of resources, most of which were either too basic or too complex and filled with jargon. All the course content is freely available and self-paced i. Here you will find no-bullshit actionable advice on topics they don't teach you in school - mindset, physical fitness, online business, personal finance, life skills, social skills, red pill truths, and more!

So, rather than trust, for example, that an intermediary or its auditors are tracking information correctly, you can instead verify it for yourself. Durability The network, and many of the applications running on it, are very difficult to shut down. This is thanks to the distributed and decentralized nature of the network. Distributed refers to the fact that the shared computer's components - it's processing power and memory - are spread out around the world.

Decentralized means no single entity is in control. While Ethereum has public spokespeople, it is not owned by anyone in particular. This means that while governments for example, can ban Ethereum - and possibly even target well-known people associated with it - it's extremely difficult to prevent average people from using it, and even more difficult to shut it down completely.

Neutrality Finally, the protocol or 'operating system' evolves in a quasi-political process where a culture of consensus building dominates and where the stated goal is to achieve 'credible neutrality. Specifically, participants are endowed with a higher degree of assurance that they'll always have fair access to the network's resources and that the network will not evolve in a way that prioritizes the needs of one group over the needs of another.

Read more: How does governance work in Ethereum? The answer is, optimistically, the next evolution of the Internet itself. The current iteration of the Internet, known as Web 2. The Web2 model has these centralized entities maintaining full control over your access to their products and services. In other words, Web2 is built on gatekeeping intermediaries. These intermediaries prevent you from gaining full visibility into the logic of their products and services which are typically closed-source and they often collect and leverage your personal information for profit.

Further, in most cases, it's effectively impossible for you to influence the evolution of the products and services you use on a daily basis. While end-users have certainly benefited from the products and services provided by Web2 platforms, there's an argument to be made that the intermediation and the lack of credible neutrality in the Web2 model both inhibits growth and results in dangerous concentrations of wealth and power.

In terms of inhibiting growth, consider for example that developers are hesitant to commit significant resources to building products on proprietary Web2 platforms when a seemingly arbitrary rule-change by a centralized entity can destroy their business model overnight.

As for concentrating wealth and power, consider that where a centralized entity has full control over, for instance, a widely used search algorithm, and where the inner workings of that algorithm are a closely guarded secret, there's significant potential for the centralized entity to not only optimize the algorithm towards extracting huge profits, but also towards influencing the flow of information itself.

By contrast, Web3 platforms are characterized by open access, decentralization, neutrality, and user ownership see "Ethereum's key characteristics" above. By providing a space where everyone knows the rules, where the procedure for upgrading the platform is inclusive, and where participants stand to gain as the network grows, the theory is that growth can be supercharged while the benefits brought by internet technologies can be more widely distributed.

In the above quote, for example, Vitalik Buterin is pointing to the potential of Web3 to take the wealth and power now concentrated amongst a few giant ride sharing platforms who act as rent-seeking intermediaries and instead distribute it amongst the drivers and passengers themselves by empowering those two sides of the market to interact with each other directly ie.

For another perhaps more ambitious example, consider what a Web3 social network might look like. Users could own their own data and be free to monetize it or not. Advertisers could transact directly with end users, rewarding them for their attention instead of paying an intermediary to draw in a receptive audience. Users, who could be owners and stakeholders in the network, might have the option and incentive to take an active role in the evolution of the network by, for example, voting on upgrade proposals and deciding how to delegate funds.

Other participants, confident that the platform can maintain credible neutrality over the long term, might feel safer dedicating resources by building products and services on the platform.