I’m very happy to have joined the Academy, it’s not just about learning about this amazing technology but to learn about ourselves, take responsibility of we’re doing and what we can offer and also understand the benefits this technology will offer to humankind in the near future.
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I am interested to launch a securities token exchange platform in Uk based on Ethereum blockchain and later on once there are 10 million users to hard fork from it in order to increase transaction speed and reduce transaction costs. Or should I use Eos? But the problem I have with Eos is the proof of stake that they have.
Carbon footprint of the supliers, distributors and manufacturer blockchain
I’m not familiar with EOS so I can’t help you decide on that. I suggest you post this question in the EOS topic instead. 
Loving the course Ivan, Thanks!
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Crypto brings structure, we can create equitable wealth
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Hello, I have heard of Bitcoin and Cryptocurrencies for 10 years not paying attention to what it was. Question is has anyone noticed the increase in Cryptocurrency ATM access machines in the US at Liquor Stores ? I have seen a few now as I travel around Southern California area. I am curious, Thanks,
I have enjoyed learning more about the fundamentals of Blockchain and the concept of Cryptocurrencies.
Thanks,
Hello, question here on this step. I am not able to complete this step. I am in a loop each time I tap : completed. ? any advise will be appreciated.
I’m not from US and I haven’t seen much new ATMs in Europe for a while now (probably due to the lockdown). Not sure what your question about them is?
Yes we have noticed this happening to our students with the current platform lately. Can you try again? Once the new platform is live this issue should be gone.
Yes I have been affiliated to implement the Crypto ATM as part of the overall adoption of Crypto promotion. And I drive Uber as this is an excellent platform for Networking with my other gig economy revenue building streams. Thank you for the update on the second question my course is stuck on a loop lol. I will attempt to push it through again. Maybe I will use a different Browser, sometimes this helps with the bug.
Thanks,
Hello,
I was able to use Microsoft Edge and all went thru - simple fix and now I am moving forward in my course. The chrome I was using for some reason blocked my last course level.
Anyone else experience the block and stuck in a loop …try using a different browser,
Thanks,
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Happy you found a way around it and sorry for the inconvenience! 
This is a great course. I feel ahead of my peers with your knowledge. The forum is definitely an added bonus for reassurance in information presented that may be unclear.
Thanks Ivan!
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Blockchain and Bitcoin 101 - Blockchain & Cryptocurrencies - Discussion
I am looking at Blockchain, specifically Bitcoin timeline of 12 years from 2008 inception until the end of 2020. In comparison, track just one company, Microsoft from inception in 1975 until 1987. That 12 years was Basic on the Altair through Windows to the offering of Excel. Now look at today 13 years after Excel. Look at the overall scope of IT and its global influence at the end of 2020.
In both of the prior cases you had predecessors to their emergence, mainframe languages and OS(s) for Microsoft and e-Cash / b-money for Bitcoin on the blockchain. Think of the blockchain opportunities that have developed in 12 years. Think of the opportunities that developed in IT in 13 years since Excel was offered. The years 1987 to end 2020.
Now, think of the developments that will occur with blockchain in the 13 years from 2020 to 2033!
You may have missed the early adoptions, maybe not. If you missed the early adoptions it is time to get on board for this section of the parabolic curve. If you have been onboard, thank you all for educating the oncoming passengers as we realize the train was just a shuttle getting us to the launch pad a rocket.
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How much storage capacity does a full node need? If the network gets too big, nodes wouldn’t be able to store a copy of the blockchain right?
ATM the entire Bitcoin blockchain is about 500GB and yes it has to store the entire data. You can also setup a pruned chain but I mostly have issues with it if you are also trying to run a lightning node on top of it.
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Would you agree that if the network gets too large it will become more centralized? Computers wouldn’t be able to store the BC so they’ll have to query information from larger databases. Eventually, the databases will have control over the transactions.
No this is the reason why there is a fixed block size and can only grow at a constant rate plus storage is quite cheap and you can buy a HDD for a few bucks that would be able to store the entire blockchain for years to come.
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That makes sense. There are about 660,000 blocks in Bitcoin according to Blockchain Explorer. So if each block is 1 mb maximum then the size of the current blockchain is less than 660 gb. Thanks for clarifying!