Steemit Crypto Academy | Season 2: Blockchain and Platforms by @alphafx


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Blockchain Platforms

Hello, welcome to my first lecture on season 2 of the SteemitCryptoAcademy. I am honoured to be here amongst you, sharing the little I know, and learning too. Today we will start from the unit of life of this Decentralised Universe, Blocks and blockchain. I hope you enjoy the lesson, questions will be appreciated and answered as promptly as possible.

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What exactly is Blockchain?

The first word I heard while looking into the crypto verse was BLOCKCHAIN. I’m sure you have come across it numerous times too. But what really is blockchain? If you did a little bit of elementary economics, you will know about ledgers, balance sheet, spreadsheet and all other types of manual records. These record are stored on servers with certain capacities. Although sometimes are accessible to the public, they are usually controlled by one central organisation. In contrast yet similarity, blockchain is an electronic database of transactions verified by multiple computers linked in a peer-to-peer system. Transaction here are recorded in “blocks”. When these blocks are filled to capacity, they are chained to the previously filled block, hence the name “BLOCKCHAIN”.
This should not limit your view of the blockchain, because in as much as here, we focus on the transactional aspect of the blockchain technology. This tech basically keeps records decentralized and I want you to let your imagination run wild on a global level, how revolutionary this could be. Governments could use it for more transparent elections, companies could use it for a more accurate and manipulation proof system of record keeping, it is limitless!

Why is blockchain revolutionary?

DECENTRALIZATION

Owing to the fact that the blockchain technology requires storage of its data on different computers, these computers are located far apart geographically and called nodes, they store every transaction ever made on the blockchain, leaving no node as central power, unlike when a company owns a database and keeps the computers it’s stored on in a central secured location. If there is an alteration on one of the nodes by the user, all the other nodes cross reference each other, to scan and identify and correct the tampered node. This ensures that the database is decentralized and maintains transparency.

STORAGE SYSTEM

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source
The blockchain technology requires storage of its data on different computers, the nodes are responsible for each other and each node contains the complete database. While traditional database systems store their information as tables, information on blockchain is stored as blocks, which are all time-stamped and chained together.The timeline is set in stone and permanently recorded once a block is filled. This is well illustrated in the image above.
BLOCKCHAIN PLATFORMS
Yay! My friends and I wanted to build a database that we can all access and maintain its integrity, blockchain style. The problem is, how do we do this, on what platform do we mount our program, in comes the superhero league of blockchain platforms that enable the creation and execution of Smart Contracts and DApps without downtime, complications, or third-parties.
We did it, and everyone goes home a happy node 😉

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Introducing some of these superheroes:

EOS

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The effots of Daniel Larimer, the creator of bit-shares, a co-founder of the Steem blockchain and current CTO of EOS, led to the creation of the blockchain. He is also accredited for the innovation of Delegated Proof-of-Stake (DPOS). Currently, the CEO of the EOS project is Brendan Blumer.
The EOS platform, a baby in this crypto-verse was launched by [Block.one]() in 2018. Although really young, EOS has proven to be a force to reckon with in the industry. EOS was designed by [Block.one]() to provide a platform for businesses to build decentralized applications. Initially, the company distributed a billion ERC-20 tokens to grant access to use the platform, literally anyone, including you, yes you can use this service easily. Differing from Proof-of-Work blockchains, EOS, through an elaborate voting system popularly called Delegated Proof-of-Stake (DPOS), picks who should handle the progress of a transaction (block producers), they also include multi-threading in this process.

Whats great about the EOS?

Well asides the “little” fact that it is very well rated when it comes to its ability to host decentralized applications, it is absolutely free. Yes, no fees are paid to use this service. The platform is authentic, provides Also, there is security in the sense of the system of voting, availed to block producers to vote on and validate any alterations and edits made to the blockchain.

Property Remark
Industrial Use Cases Multi Use
Governing Body EOSIO Core Arbitration Forum (ECAF)
Ledger Type Permissioned
Consensus Algorithm Delegated Proof of Stake (DPOS)
Smart Contract Compatibility Yes
Block Confirmation Speed 1.5 second
Token ranking 22

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ETHTHEREUM

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Late 201 a smart Russian-Canadian programmer, Vitalik Buterin decided to contribute to the world, a great innovation, the Ethereum blockchain, an open-source blockchain oriented computing platform. Ethereum is well known for housing smart contracts as the platform is very friendly for programming. The Ethereum Virtual Machine (EVM) affors smart contracts the run-time environment in Ethereum. Every node on the blockchain, has to implement the EVM.
Ethereum is permissionless and uses the proof of work system, which is relatively slower in terms of processing speed. Hopefully, they deem it fit to switch to the proof of stake system.
The ethereum ecosystem has a token named ether. Developers have to pay ethers to access the ecosystem, either by running its dapps and smart contracts, and also executing transactions.

Why choose ethereum?

Ethereum as claimed the title "Father of ICOs" and reasonably so. The ERC-20 made crating tokens easier than riding a bicycle…well…..almost.
Nowadays, all you have to do is model your ERC-20 token against an already existing token that is similar to what you want, see? Easy😎. This was a ground breaking prospect and it pushed the blockchain to immense heights.
Its is also relatively faster than other platforms, including bitcoin, due to faster block production.
It is commendably decentralized, decisions on the blockchain and its general development is through community effort.

Property Remark
Industrial Use cases Multi use
Governing body Ethereum Developers
Ledger Type Permissionless
Consensus Algorithm Proof of Work
Smart Contract Compatibility Yes
Speed Eth 1.0: 30 transactions per second (2.0 can handle thousands per second)
Token rank 2

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T# Tron

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2017, a profit organization The Tron foundation, headed by Justin Sun, its CEO founded the tron blockchain. They have a dedicated development team that includes renowned tech gurus. Tron is a blockchain embedded decentralized platform that aims to provide a platform for free content sharing, defi services and so on, with distributed storage technology. They also provide easy and very cheap access to the wonders of the blockchain technology. Just like the EOS, tron uses the Delegated Proof-of-Stake (DPOS) consensus system to maintain the ecosystem of the blockchain.
The Tron network has a token, called Tronix (TRX). Tronix can be used by to pay for content, and/or services on the blockchain.

Selling Points of Tron Blockchain?

Tron can actively and efficiently process 2000 transactions per second, which brings it to the table to compete with payment giants like paypal and co. Tron also has zero transaction fees, despite its speed and features.
The Ecosystem is also smart contract-friendly, and Dapp creators have taken a liking unto the ecosystem, especially due to the lack of charges and speed.
So John has this wonderful song, he has to pay to get his music on the platform, and we his fans need to pay to access it. The platform then pays John as they deem fit, which could be very little compared to the revenue his music generates. In comes Tron!
The Peer-to-peer network technology adoption on tron looks to bridge the gap between content creators and content consumers and completely obliterates the middleman and his sometimes excessive charges. This is good for both consumers and producers, cost-wise and in delivery, since the payment for content consumed goes directly to the wallets of content producers.

Property Remark
Industrial Use cases Multi use
Governing body Co-governance of Tron Foundation and Tron Community
Ledger Type Permissionless
Consensus Algorithm Delegated Proof of Stake
Smart Contract Compatibility Yes
Speed 2000 transactions per second
Token rank 17

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Stellar

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Jeb McCa co-founder of ripple and Joyce put heads together and birthed the stellar blockchain as an open-source payment protocol. In a lot of ways, like Ripple, but while Ripple’s target market is the established banking institutions, stellar seems to lean more towards the unbanked. Mobile wallets, finance based apps and transaction systems can be built on this blockchain.
Stellar basically works like other blockchain platforms. It is comprised of a network of decentralized servers with a distributed ledger updating every 2 to 5 seconds amongst all nodes. However its consensus protocol is one of a kind.

Special Stellar

Stellar’s consensus protocol does not need miners to verify transactions. Lumen (XLM) as a token for the blockchain is not mineable, 100 billion XLM were created initially. These tokens entrusted to the Stellar Development Foundation. This foundation is charged with distributing 95% of the tokens. Normal users get 50%, Institutions in the ecosystem 25%, bitcoin holders or Ripple get 20%, The remaining 20% are reserved by the foundation to keep the system funded, and continue its development. Stellar uses the Federated Byzantine Agreement (FBA) algorithm, optimized for faster processing of transactions. The protocol employs a portion of the network (quorum slices) to verify transactions.
Nodes on stellar pick "trustworthy nodes" to form a set. transaction has to be verified by all nodes in a set to be considered approved.This system has sped up stellar and it can process up to 1,000 network operations per second.

Property Remark
Industrial Use cases Finance
Governing body Stellar Development Foundation
Ledger Type Public and private
Consensus Algorithm Stellar Consensus protocol (SCP)
Smart Contract Compatibility Yes
Transaction confirmation time 3-5 seconds
Token rank k 11

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Concluon

For curious minds or developers who want to build something on the blockchain, it is important to know the platform that can handle your project how you would like it. People leaning towards entertainment can go for tron, and its free so…..why not?😁👍
General Purposes can be built on ethereum, Stellar is there to handle the technicalities of the financial world if you would prefer, Steem if you want to try something on social media, EOS is general pupose too. There are so many platforms existing, do more research, find what would suit you, DO NOT LIMIT YOURSELF.
Thank you for reading, the blockchain world is a special one that would become a norm soon and I know many of us want to get in on it, for formal or informal reasons. I hope it was easy to learn, and we enjoyed the class. I would love to answer your questions and see your homeworks.

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Assignment:

Give a detailed comparison between two blockchain platforms of your choice.

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RULES

  • Post Homeworks in in the community Steemit Crypto Academy.
  • For Homework Task 7, aTask, adockchain, #alphafx-s2week1, and #cryptoacademy in the first 3 tags. Also, tag me as @alphafx somewhere in the post.
  • PLAGIARISM is not right, ensure to avoid it.
  • Post Requires a minimum of 300 words.
  • Submit Homework Task Post between 13th April 2021 To 18th March8th April 202ase send your post link under the comments on this post.

Thank You.


Comments 441


Hello, can I summit assignments for each professor or these are limited? Thanks for the lesson!

13.04.2021 07:09
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You are eligible to do all assignments, go ahead.

13.04.2021 07:44
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The presentation has been awesome Professor @alphafx.
Thank you so much.

13.04.2021 07:29
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Thank you too.

13.04.2021 07:45
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Thanks, professor @alphafx, for your lesson. Deadlain for this work is 18 April?

13.04.2021 08:03
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yes

13.04.2021 08:42
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Screenshot_20210413-140607.jpg
@alphafx I think there is a mistake It should be 18th April correct it.
Therefore, thanks for your task. I will participate.

13.04.2021 08:08
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thank you, looking forward

13.04.2021 08:40
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Seen

13.04.2021 11:27
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For the first time, i want to participate in this assignment. Great presentation.

13.04.2021 11:04
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I appreciate the feedback, Thank you. remember to tag me to the homework 👌

13.04.2021 11:26
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Alright. I will do that. Thank you too

13.04.2021 13:50
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Goodwork!

13.04.2021 11:31
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Thank You.

13.04.2021 14:39
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seen, thanks for participating.

13.04.2021 15:01
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reviewed

14.04.2021 06:41
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seen

14.04.2021 06:41
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Sorry please permit me to ask, our comparison should it be based only from the aforementioned blockchain by you?

13.04.2021 15:58
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any two of your choice, it doesn't have to be on my list

13.04.2021 21:42
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reviewed

14.04.2021 16:41
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Thank you so much for the task professor

13.04.2021 16:19
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You're welcome.

14.04.2021 06:20
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done

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done

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reviewed

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reviewed

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ok
thanks for participating

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Hay @alphafx This is my first post in the @steemitcryptoacademi, I am trying to learn in stages, the first thing I learned is about the assignment you gave, this is my assignment to correct and give me a little direction regarding homework

https://goldvoice.club/steem/@muhammadrafi/akademi-crypto-steemit-or-or-season-2-explanation-of-the-blockchain-and-huabi-pro-platform

14.04.2021 09:28
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Professor, why doesn't my post get a vote from Steemcurator 02? and how to see the number of values ​​that will be voted by steemcurator 02

17.04.2021 13:17
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En cada lectura me motivo más sobre el tema crypto. Gracias profesor

14.04.2021 11:10
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18.04.2021 09:34
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is that erangel on your profile photo?

14.04.2021 14:04
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hahaha, are you also a pubg player

17.04.2021 12:28
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seen

18.04.2021 09:34
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Good morning teacher thank you for that class. Here my homework and my participationhttps://goldvoice.club/steem/@rhina27/season-2-week-1-blockchain-platforms-ethereum-and-stellar

14.04.2021 15:29
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This training is great
I will do my best for the assignment

14.04.2021 17:40
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seen

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17.04.2021 12:18
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Wow. What a wonderful class.

THIS is my homework link here

15.04.2021 03:36
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Thank you! verified

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19.04.2021 02:37
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thanks for this article prof

15.04.2021 09:33
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you're welcome

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17.04.2021 12:22
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Thanks for the great lecture delivered @alphafx. Here is my homework task
https://goldvoice.club/steem/@sparta5005/crypto-academy-week-1-homework-post-for-alphafx

15.04.2021 12:10
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17.04.2021 12:23
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Thanks prof for that wonderful lecture this week. Below is the link of my homework

https://goldvoice.club/steem/@tymes2/steemit-crypto-academy-season-2-week1-task-by-tymes2-blockchain-platform

15.04.2021 12:29
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17.04.2021 12:23
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Good day professor @alphafx, Below is my entry to the homework task season 2 week 1.

https://goldvoice.club/steem/@temitopef/homework-season-2-week-1-task-blockchain-and-platforms-or-lesson-by-alphafx

Thank you so much.

15.04.2021 12:58
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18.04.2021 09:35
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Greetings, Professor. Please find my homework assignment's link as follows:

https://goldvoice.club/steem/@alternatively/steemitcryptoacademy-season-two-episode-one-week-9-discuss-two-crypto-platforms

Thank you for your consideration.

@alternatively

15.04.2021 14:27
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seen

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17.04.2021 14:58
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Good day professor @alphafx. I have taken your lesson and found it very informative. Please kindly review my assignment.
Thank you.

https://goldvoice.club/steem/@reminiscence01/homework-task-season-2-week1-for-professor-alphafx-or-blockchain-platforms-or

16.04.2021 00:36
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seen, well done.

18.04.2021 09:47
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I personally welcome and congratulate you on your appointment as a new crypto academy professor, it's nice seeing a Nigerian replacing @gbenga.

@alphafx, it's my pleasure once again. I will make sure I follow your lectures, though, I won't be able to drop my entry for this week assignment, light issue of this nation is the cause. Next week lecture will be great

16.04.2021 01:06
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Thank you, and I anticipate your entry next week.

18.04.2021 09:48
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Alright, thank you sir

17.04.2021 09:58
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seen

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17.04.2021 09:50
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Hello @alphafx, my name is @allbert. Great class, I really enjoyed it. This is my first homework in your class, I've made a comparison between Steemit and SIA.

https://goldvoice.club/steem/@allbert/crypto-academy-week-9-homework-post-for-alphafx-blockchain-and-platforms

16.04.2021 05:29
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seen

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18.04.2021 09:45
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Greeting Prof
Homework link

16.04.2021 07:24
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seen

18.04.2021 09:53
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seen

18.04.2021 09:32
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seen

18.04.2021 09:32
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seen

18.04.2021 09:32
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Thanks Prof for your detailed assessment.

18.04.2021 09:33
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Dear Professor, I believe that the assessment of my work is underestimated. Nevertheless, I worked on the bugs and added some comparative parameters of the two platforms in the comments to the work. I invite you to get acquainted with my work here: https://goldvoice.club/steem/@greatketty/crypto-academy-week-9-homework-post-for-alphafx

16.04.2021 10:42
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In as much as I like your style of writing and you seemed to know what you were doing, unfortunately there were no details or comparison, therefore the homework task entry submitted was not satisfactory. Do not fret, there will be more, I hope to see you put effort and show us how good your publication can be

17.04.2021 12:36
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please review my homework it has not been reviewed since 3 days ago
https://goldvoice.club/steem/@okoyeclinton400/crypto-academy-week-9-homework-post-for-alphafx

18.04.2021 05:09
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17.04.2021 12:38
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Greetings professor @alphafx. Thanks for the wonderful lecture and here is my homework task
https://goldvoice.club/steem/@nav1/crypto-academy-week-1-homework-post-for-alphafx

16.04.2021 12:04
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17.04.2021 12:37
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A very informative and interesting lecture, a nice one.

16.04.2021 12:24
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Thank you!!

17.04.2021 12:38
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It seem interesting. Could this blockchain are really innovative for these days?

16.04.2021 12:34
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Hello dear professor, it is a pleasure to have you here. I am enclosing my homework for this week. I await your review, thank you very much

https://goldvoice.club/steem/@dairhial07/crypto-academy-week-9-homework-post-for-alphafx-blockchain-platforms-or-eos-vs-stellar

16.04.2021 14:01
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18.04.2021 09:31
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This is my submission for this week homework. Please have a look here. And review it professor.

https://goldvoice.club/steem/@prakhar9675/steem-cryptoacademy-home-work-post-for-alphafx-season-2-week-1

16.04.2021 15:08
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17.04.2021 12:17
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@alphafx please evaluate my work...

17.04.2021 16:20
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I have, thank you for your patience.

18.04.2021 09:54
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18.04.2021 09:31
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Thank you teacher ... I look forward to your prompt and satisfactory response.

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seen

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17.04.2021 09:32
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thank you very much teacher

17.04.2021 12:13
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you're welcome

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17.04.2021 13:23
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Buenas noches Prof @alphafx por aquí le dejo mi tarea y disculpe si tengo algún error de formato a penas me estoy adaptando a la actualización.

Good night Prof, @alphafx here I leave my homework and excuse me if I have any formatting errors, I'm just adapting to the update

https://goldvoice.club/steem/@adriancabrera/steemit-crypto-academy-or-temporada-2-blockchain-y-plataformas-por-adriancabrera

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Submission of assignments for professor
@alphafx
@levycore

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Thank you sir

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Thank you my able proffesor @alphafx for your wounderful lectures,here is my work and it will please me if you go through it.
https://goldvoice.club/steem/@teco/cryptoacademy-season2-homework-postby-teco-alphafx

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Hello there,
and thank you for this wonderful task. Never in my life have I spent this much time doing a piece of homework, but I am really glad about the challenge and I have learned a lot! Thanks!
https://goldvoice.club/steem/@alphafx/steemit-crypto-academy-or-season-2-blockchain-and-platforms-by-alphafx

17.04.2021 13:22
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19.04.2021 02:57
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Thanks for seeing it@alphafx but my work has not been curated and the last day is tommorow for the expiration of my submission i will be grateful if you could attend to it.thanks so much
https://goldvoice.club/steem/@samuelj/steemit-crypto-academy-or-season-2-blockchain-and-platforms-by-alphafx
https://goldvoice.club/steem/@samuelj/steemit-crypto-academy-or-season-2-blockchain-and-platforms-by-alphafx

23.04.2021 06:03
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Thanks prof sir.

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19.04.2021 02:44
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Good afternoon late professor @alphafx here is my homework I had a mistake when placing a bad label but I already modified it. thank you very much I wait for your verification.

https://goldvoice.club/steem/@goyoricardo/crytoacademy-or-temporada-2-or-tarea-1-blockchain-y-comparacion-litecoin-bitcoin-alphafx

17.04.2021 15:58
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verified

19.04.2021 02:44
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verified

19.04.2021 02:44
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seen

19.04.2021 03:13
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verified

19.04.2021 02:42
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verified

19.04.2021 02:42
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verified

19.04.2021 02:40
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Thanks

19.04.2021 05:28
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verified

19.04.2021 02:39
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Thank you so much Prof.

19.04.2021 07:27
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17.04.2021 19:38
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verified

19.04.2021 02:39
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verified

19.04.2021 02:36
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Hello Prof @alphafx thanks for all you do..you've not checked and verified my homework. Here is the link,thanks.

https://goldvoice.club/steem/@lhorgic/cryptoacademy-or-season-2-or-homework-task-1-comparison-of-tron-and-stellar-for-alphafx

17.04.2021 20:29
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verified

19.04.2021 02:36
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verified

19.04.2021 02:35
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Great course. Thanks for sharing your knowledge with us.

Here's my entry

Link

17.04.2021 22:59
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verified

19.04.2021 02:35
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verified

19.04.2021 02:35
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Thank you professor @alphafx, but please my homework task.

19.04.2021 06:07
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Please add inks to comment next time.

19.04.2021 22:38
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Professor, you didnt give me my homework task.

19.04.2021 21:00
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seen

19.04.2021 02:34
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seen

19.04.2021 02:34
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Hello, dear sir. Here is my homework submission for this week. Please check this out ASAP.

https://goldvoice.club/steem/@steemlover63/homework-week-1-season-2-for-prof-alphafx-or-steemit-crypto-academy-or-season-2-blockchain-and-platforms

Thank you very much means a lot.

18.04.2021 00:48
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seen

19.04.2021 02:34
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Hi Professor alphafx, thanks for this opportunity.

below is the link to my home task, thanks

https://goldvoice.club/steem/@victorevan/home-task-week-1-comparison-between-ripple-and-stellar

18.04.2021 00:55
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seen

19.04.2021 02:34
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Thankyou so much dear professor @alphafx for such giving such great knowledge of blockchain through this lecture, this was very helpful for me.
this is my homework assignment, i hope you like it.

LINK: https://goldvoice.club/steem/@shahab1998/steemit-crypto-academy-season-2-week-1-task-by-shahab1998-for-alphafx-or-tron-vs-eos

18.04.2021 02:13
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seen

19.04.2021 02:34
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seen

19.04.2021 02:33
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@alphafx professor. This is my entry for this week homework.
Please have a look here. ..

https://goldvoice.club/steem/@prakhar9675/steem-cryptoacademy-home-work-post-for-alphafx-season-2-week-1

18.04.2021 02:49
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seen

19.04.2021 02:33
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Sorry professor. I tried to delete this comment when you checked my post. But o couldn't find it as there were so many comments.

19.04.2021 03:18
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seen

19.04.2021 02:29
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seen

19.04.2021 02:28
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Hi @alphafx

I replied to you on my post

18.04.2021 05:10
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seen

19.04.2021 02:28
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seen

19.04.2021 02:28
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seen

19.04.2021 02:28
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seen

19.04.2021 02:27
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Thank you Professor!

19.04.2021 03:51
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Please can you further explain ledger type. And also explain stellar's ledger type

18.04.2021 10:29
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Hello Prof @alphafx, I enjoyed your topic on Crypto Blockchain and atlast I participated in the homework, Here is the linkhttps://goldvoice.club/steem/@prolee/steemit-crypto-academy-or-season-2-blockchain-and-platforms-lectured-by-alphafx-or-written-by-prolee

18.04.2021 11:47
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seen

19.04.2021 02:27
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seen

19.04.2021 02:27
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18.04.2021 14:11
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19.04.2021 02:25
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19.04.2021 02:25
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19.04.2021 02:25
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seen

19.04.2021 02:25
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19.04.2021 02:23
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19.04.2021 02:31
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19.04.2021 02:22
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19.04.2021 02:22
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18.04.2021 17:12
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seen

19.04.2021 02:22
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seen

19.04.2021 02:22
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seen

19.04.2021 02:22
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seen

19.04.2021 02:21
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seen

19.04.2021 02:21
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seen

19.04.2021 02:21
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seen

19.04.2021 02:21
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reviewed

19.04.2021 02:20
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Your presentation is wonderful

18.04.2021 20:54
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18.04.2021 21:36
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seen

19.04.2021 02:20
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18.04.2021 21:53
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seen

19.04.2021 02:20
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19.04.2021 02:20
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seen

19.04.2021 02:20
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seen

19.04.2021 02:19
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seen

19.04.2021 02:19
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Thanks sir for reviewing my homework

19.04.2021 08:07
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seen

19.04.2021 02:17
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Buenas noches Porfesor @alphafx, acá le dejo el enlace de mi participación.

MI PARTICIPACIÓN

19.04.2021 03:33
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seen

19.04.2021 10:25
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22.04.2021 02:50
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Here is my submission of first week of season 2 which wS not curated here is it
https://goldvoice.club/steem/@samuelj/steemit-crypto-academy-or-season-2-blockchain-and-platforms-by-alphafx

24.04.2021 22:00
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Hello sir...I i completed my last homework which was about BLOCKCHAIN and i got 8.5. But still i have not recivied the reward. Can you plz tell me why this happening

https://goldvoice.club/steem/@sadiaanyat/crypto-academy-week-9-homework-post-for-professor-alphafx-by-sadiaanyat

30.04.2021 03:45
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