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While the reasoning behind the freezing may be justified, it demonstrates the amount of authority one organization has on the entire blockchain, and their ability to execute on that authority. The blockchain community wants scalability, which is what gave rise to the popularity of EOS, but the trade-off is censorship and control due to centralization.

Pros: it is a on-chain solution and blockchain-agnostic, so it can be an answer for scalability for potentially all blockchains. Outside of blockchain-specific projects, startups are starting to emerge to tackle the problem on a larger scale. I discovered the company last week during my research into the blockchain space. The idea behind the company is to transpose a content delivery network CDN onto blockchain networks to solve the scalability issues.

What Is a CDN? CDNs are what supercharge Internet speed today. They are the reason why, when you turn on your next YouTube video, it no longer needs to show you the loading spinner and make you wait three minutes to watch a one-minute video. By the same respect, bloXroute intends to take the concept of the CDN and apply it to the blockchain space as a blockchain distributed network BDN ; after all, if blocks are to eventually scale to gigabytes in size, transfer speeds will become an issue.

The results from this trial will give us a better indication of its progress in building out a global network for scaling blockchains. Furthermore, it intends to release a security token, BLXR, that pays dividends to shareholders. The dividends are generated from transaction fees, which are charged for each transaction after bloXroute surpasses TPS per blockchain.

Got something to add? Have I thought about something incorrectly? Please let me know!

Bitcoin may be soaring, but it's a flawed investment

If you have time and want your questions answered, I highly recommend reading through them. They go into a lot more detail than I did about each topic. Every Thursday, the Variable delivers the very best of Towards Data Science: from hands-on tutorials and cutting-edge research to original features you don't want to miss. Take a look. Review our Privacy Policy for more information about our privacy practices.

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• The Blockchain Scalability Problem & the Race for Visa-Like Transaction Speed.
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Get started Open in app. Yes, blockchain has a scalability problem. Kenny L. As of today, all SegWit-ready nodes on the Bitcoin network are…. The Lightning Network Pros: near-instant transactions between parties, with no fees Cons: transacting occurs off-chain, requires users to have a lightning node, and is limited to Bitcoin-core-based blockchains e.

Learn more about batch transactions on Bitcoin through a thorough writeup from Hasu : An Analysis of Bitcoin Batching. David A. How SegWit is expected to affect block size on the Bitcoin blockchain moving forward. Sign up for The Variable. Get this newsletter.

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More from Towards Data Science Follow. Read more from Towards Data Science. More From Medium. In particular, Cash App has been popular for buying and selling Bitcoin. The beauty here is that it doesn't matter how well or poorly Bitcoin performs. As long as users keep trading, Cash App's gross profit will continue soaring. With physicians aiming to keep COVIDinfected and high-risk patients out of their offices, demand shifted in a big way to virtual visits.

After logging 4. Since telemedicine is a win for all parties involved, especially insurers, which face smaller bills compared to office visits, it's expected to grow into a larger share of the personalized treatment space. Teladoc has also made waves on the acquisition front. It acquired leading applied health signals company Livongo Health in early November in a cash-and-stock deal. Livongo collects copious amounts of patient data and leans on artificial intelligence to send its members tips and nudges that help them lead healthier lives.

As of the third quarter, Teladoc notes that Livongo was serving more than , patients with chronic illnesses. What's noteworthy is that Livongo is still just scratching the surface. With a focus on diabetes and hypertension, Livongo's potential patient pool is 70 million Americans. As of Q3 , it's enrolled just over , as members, yet was already profitable before the buyout.

Look for Livongo and Teladoc to leverage their networks to cross-sell and more effectively market their products. Even as the third-largest publicly traded stock in the U. Although market share estimates vary, one thing that's crystal clear about Amazon is that it's the most dominant force in the online retail space. According to eMarketer, it's on track to control At worst, Amazon's U.

Admittedly, retail margins aren't anything to write home about.

Then again, Amazon has been able to use the lure of its marketplace to sign up more than million people worldwide to Prime. The fees Amazon collects from Prime members helps the company undercut brick-and-mortar retailers on price.

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Furthermore, the membership model makes it likelier that these million-plus people stay within the Amazon ecosystem of content, services, and products. Over the longer-term, it's Amazon's cloud infrastructure services that offers the more compelling growth story. We apologize, but this video has failed to load.

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