What happens when wallets (personal or at an exchange) are hacked? What is "sweeping" with regards to private keys? After a hack, is it possible to track the stolen bitcoin and identify the hacker? How do you keep bitcoin safe in a group / corporate environment? Is it possible to create a multi-signature setup with […]

Our focus is to organize a large group of volunteers of varying skills, availability and commitment into a group that is highly effective at ideating, coordinating and accomplishing tasks that aid the medical community’s ability to answer key questions related to COVID-19 WHY We are all in this together and for the sake of our […]

Motivated by the rapid spread of COVID-19 in Mainland China, we use a global metapopulation disease transmission model to project the impact of travel limitations on the national and international spread of the epidemic. The model is calibrated based on internationally reported cases, and shows that at the start of the travel ban from Wuhan […]

A 360° Virtual Reality fly-through showing the extent of damage to the lungs (yellow) from COVID-19 for a patient seen by Dr. Keith Mortman at George Washington University Hospital. Made with Surgical Theater technology. https://www.surgicaltheater.net/ (video v5) Link to an interview of Dr. Mortman talking about this case and the technology: https://www.gwhospital.com/resources/podcasts/covid19-vr-technology For media related […]

ROC (Receiver Operator Characteristic) graphs and AUC (the area under the curve), are useful for consolidating the information from a ton of confusion matrices into a single, easy to interpret graph. This video walks you through how to create and interpret ROC graphs step-by-step. We then show how the AUC can be used to compare […]

On May 11th, 2018, VIANT hosted a 'Dinner & A Movie' themed presentation at the Ethereal Summit in Brooklyn, NY. Following an introduction demo, the team presented this short film before surprising the audience with tuna fresh from Fiji, shipped and tracked using the #Ethereum Blockchain. Viant is a blockchain-based platform for modeling business processes, […]

An academic lecture by Andreas M. Antonopoulos explaining the consensus algorithm, "Proof of Work", used by bitcoin and many other blockchains. Andreas is a UCL alum. This talk was presented in collaboration with the Department of Computer Science at University College London. If you want early-access to talks and a chance to participate in the […]

There are always parties who profit in times of crisis, and so it goes with our ever-accelerating global pandemic. For toilet paper manufacturers and supermarket chains and, say, a pair of grifter brothers hawking Purell at an obscene markup, the coronavirus has been good for business. But the biggest beneficiaries in the long term may be […]

One study ranked the United States healthcare system last among 11 industrialized nations. It suffers from inefficiency and inequity. It’s not as if foreign bias skewed the results: the study was published by the Commonwealth Fund, a US-based foundation improving healthcare through objective analysis. It found that the United States spent $8,508 per person on healthcare in […]

I’ve been getting a lot of questions about the impact the coronavirus will have on startups and angel investors, so I thought I would tackle the issue head-on in this essay.  Giant disclaimer up top that (obviously) everyone’s safety and well-being is the most important thing right now. Full stop. However, everyone knows that the […]

Ray Dalio recently came out in an interview on CNBC saying "cash is trash" in 2020. We're going to explore further why Dalio thinks cash is trash and explain what other investments we should look to, if not cash. 📊 Sven Carlins Free Course & Portfolio (Expert Investor): http://bit.ly/SvenCarlinPortfolio ___________ 📈 How To Invest Course: […]

Economics 101 -- "How the Economic Machine Works." Created by Ray Dalio this simple but not simplistic and easy to follow 30 minute, animated video answers the question, "How does the economy really work?" Based on Dalio's practical template for understanding the economy, which he developed over the course of his career, the video breaks […]

The containment and treatment of infectious diseases like Covid-19 are highly dependent on individual decision-making.Individuals are not always rational and will balance the perceived benefits of making contact against the perceived cost of the disease.The most effective response to outbreaks, such as Coronavirus, will take these behavioural insights, including the impact of panic on individual […]

As our new Covid-19 reality sets in, it’s all too easy to let your routines slide, but during a time of major stress and disruption, exercise can be a useful outlet that helps you stay as physically and mentally healthy as possible. And even if you’re used to relying on a gym or your favorite class to […]

What is a blockchain and how do they work? I'll explain why blockchains are so special in simple and plain English! 💰 Want to buy Bitcoin or Ethereum? Buy for $100 and get $10 free (through my affiliate link): https://www.coinbase.com/join/59284524822a3d0b19e11134 📚 Sources can be found on my website: https://www.savjee.be/videos/simply-explained/how-does-a-blockchain-work/ 🐦 Follow me on Twitter: https://twitter.com/savjee […]

If you want to expand your reach, increase your engagement, and boost your revenue, then promoting your business is crucial. Utilizing social media is an important aspect of business. It is the most popular method of online communication among your customers, and people like to have different channels through which to communicate with businesses. Promoting […]

In this article, we give a short introduction to cryptocurrencies and blockchain technology. The focus of the introduction is on Bitcoin, but many elements are shared by other blockchain implementations and alternative cryptoassets. The article covers the original idea and motivation, the mode of operation and possible applications of cryptocurrencies, and blockchain technology. We conclude […]

YC Partner and Head of Admissions Dalton Caldwell talks about pivoting for startups and shares his advice on when and how founders should consider it for their companies. You can find the lecture slides and transcript here: https://www.startupschool.org/videos/73 Find more Startup School and YC content at https://www.startupschool.org/library.

Jessi Baker is the Founder of Provenance a UK startup using novel technologies like the blockchain to revolutionise supply chain transparency and product trust. Provenance works with suppliers, brands, and certifiers to enable every product to come with an open, secure record of its journey and creation. Video produced by Atlas of the Future http://atlasofthefuture.org/ […]

Modern entrepreneurship began at the turn of this century with the observation that startups aren’t smaller versions of large companies — large companies at their core execute known business models, while startups search for scalable business models. Lean Methodology consists of three tools designed for entrepreneurs building new ventures: The Business Model Canvas — to write down all the […]