Learning Blockchain Through Examples

Learning any technology is completed only when we are well familiar to its current use cases. By analyzing any use case we come to conclusion of how any technology can be used in real time. We all very well know about basics of blockchain and also should know about use cases.

Even though blockchain is very potential technology, we have to think about our expectation and cost of implementation. We have to think about is there really need of features of blockchain then only prefer this technology, this thing will be worthy.

Correlation between technology and its use cases makes easy to understand. As we know Bitcoin is very first use case of blockchain technology implemented in 2009. Since blockchain has reached at different heights over a time. We will see some examples of blockchain applications.


Algorand is more energy efficient than other blockchains, and have small carbon footprint in partnership with Climate Trade.  It can be used for next generation financial product. By using Algorand platform airline company  Flybondi located at Buenos Aires(Argentina) activated NFT version of their ticket for customer. Which allow them to change name on ticket or transfer it to new customer. This also allow third party to buy and sell ticket also, not only airline.


Using polygon blockchain by Firozabad police station to battle against corruption.

Firozabad Public Grievance Management System (FGPMS) is a free  portal of Firozabad Police(Uttar Pradesh Police) to resolve grievance complaints.

Each police station in the area has a unique QR code. Users can scan this code to access the form and file their complaints.

As this portal connected to polygon chain complaint become immutable. Also user can see progress in it and connect to assigned officer for further updates in it. 

Wallmart– It uses blockchain technology for food traceability based on hyperledger fabric.

In early days that traceability takes months of time which reduces into seconds 


Everledger successfully implement first time diamond and gemstone traceability.

Along with this it provide provenance for product this can increase product value by up to 50%

This is implemented by using IBM blockchain platform.


It is blockchain platform which brought pharmaceutical sector and technical sector together. Supply chain for drug traceability, clinical trial by preferring clinical history and health data these are some implemented modules in it.


This consortium is based on Ethereum blockchain. This is open for all luxury brand. This allows consumer to track product history and Authenticity.

R3 corda– R3 corda is enterprise blockchain developed by r3 consortium.Its mission to deliver secure, open and trusted digital economy exchange solution. Along with this it have plenty of use cases in real estate, bond and much more.


 Beyond a token transfer it is a true multi-chain application environment where things like cross-chain registries and cross-chain computation are possible.

Polkadot can transfer this data across public, open, permissionless blockchains as well as private, permissioned blockchains.

This makes it possible to build applications that get permissioned data from a private blockchain and use it on a public blockchain.

In simple words polkadot can connect any types of blockchain through XCM protocol.

For example, XCM could be used to communicate between a proof-of-work network like Bitcoin and a proof-of-stake network like Polkadot.

Some companies using blockchain

Forbes publishes ‘blockchain 50’ every year having valuation at least $1 billion in this sector. Apart from this some other companies not solely depends upon blockchain but uses it for some application. Examples are Amazon, Samsung, Coinbase, Honeywell, Opensea, Mediledger etc.

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