Asallam Alikum

To all steemians and hope you are all fine and doing well. Today we will look after blockchain technology.
Centralized and decentralized Network:

source

CENTRALIZED:

In centralized system, the authority or any 3rd party retains all the control on the network. And all the system has the power to checks the up down and mange all data and access. The authority or 3rd party is connected to a central server that can access all data. The network also disturbed processing power and functions among connected servers.The authority Also decided shall any services added in the network Via centralized or not.

Decentralized:

In decentralized system a Person is fully capable To perform the things with their own way and have full access to their program . A person is fully independent gor decision making and also capable to use the power in his own way. These network also distribute processing power and functions among connected servers.

DIFFERENT BETWEEN CENTRALIZED AND DECENTRALIZED NETWORK

CENTRALIZED :

In this a authority fully controlled the system and network Like a country which have presidential system they elect a president and he / she ruled at whole country, its called one man power . So like this there are also the system in blockchain where a firm under controlled all system and network known as Centralized system.

1. All the power almost controlled by the authority or firm
2. They may also charged fees for providing their services.
3. The person who is willing to work should get the license from authority or firm.
4. The centralized system is created to improve accuracy of network.

DECENTRALIZED:

In decentralized system a person ia fully capable to use the system in his own way and also independent to perform any task and to make any decision in hia own way. The person is allowed to access all the functions according to his way.

1. All power almost belong the who is working
2. These platforms does not charge any fees for their services
3. And also not required any license.

ADVANTAGES AND DISADVANTAGES OF CENTRALIZED AND DECENTRALIZED NETWORK :

ADVANTAGES:

1. The main advantage is that the whole power of transaction is in your hand and the person can do the transaction transaction any time.
2. When you make any transactions the both parties required To verify the information.
3. The decentralized system is more secure because of crypto graph.

DISADVANTAGES :

1. The whole power belongs to a authority or 3rd party
2. They charge their services fees which is very expensive.
3. Decentralized offer only limited wide range of benefits.

IS DECENTRALIZED IS GOOD FIR TRADING OR CENTRALIZED AND WHY?

As my opinion the decentralized is good trading platform as compare to centralized because in this we get the services free of cost and can perform any task in our own way and also perform transactions at any time and its more secure then decentralized. In other hand the decentralized is chrging fees against their services and also providing limited benefits and their charges are also expensive. And all the data is stored in servers which can access able by the authority.

HOW DO WE KNOW THE BLOCKCHAIN IS CENTRALIZED OR DECENTRALIZED

First of all search on the Google etherScan.
Than tyoe the name of coin that you want to know is centralized or decentralized

After this click on the contract and copy the URL

After this you will see the contract source code it should be solidity

And look in the coding function destruct by Only administration , self destruct if you see this type of coding means this coin is not fully centralized.

I am very thankful to Professor @yousafharoonkhan to give this type of knowledgeable homework..

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Cc: @yousafharoonkhan