Blockchain 

What is BlockChain ??

Is it Safe ??

How do they Work??

What Problems blockchain can Solve?

Pros and Cons of Blockchain

Why we need Blockchain Technology?

Difference between Public and Private??

Type of  Blockchain Networks

It is a distributed ledger that is completely open to everyone.

Blockchain is a  block of chains that are connected to

each other.

What is Blockchain ??

How do they Work??

Blockchain is a system of recording information in a way

that makes it difficult or impossible to change, hack,

or cheat the system.

Why we need Blockchain Technology?

Types of blockchain networks

There are 4 types of Networks.

1. Public blockchain networks

2. Private blockchain networks

3. Permissioned blockchain networks

4. Consortium blockchains

Public Blockchain Networks

1. A public blockchain is one that anyone can join and participate in, such as Bitcoin, Etherium.

2. Public blockchains are immutable and decentralized. No one can change an entry once it has been validated and the users can be sure that their transactions are not modified or deleted.

3. Cryptocurrencies, such as bitcoin, Litecoin, Ethereum use public blockchains and get the most attention.

4. Anyone can read, write, and audit the ongoing activities on the public blockchain network, which helps a public blockchain maintain its self-governed nature

Private Blockchain Networks

1. A private blockchain network, similar to a public blockchain     network, is a decentralized peer-to-peer network.

2. One organization governs the network, controlling who is allowed to participate, executing a consensus protocol and maintain the shared ledger.

3. A private blockchain can be run behind a corporate firewall and even be hosted on premises.

Permissioned Blockchain

1.  Permissioned blockchains allow for a mixed bag between the public and private blockchains and support many customization options.

2. These include allowing anyone to join the permission network after suitable verification of their identity, and allocation of select and designated permissions to perform only certain activities on the network.

3.  For example, Ripple, one of the largest cryptocurrencies, supports permission-based roles for participants.

Difference between Public and Private??

What Problems does blockchain Solve?

1. Cross-Border Payments

2. Managing And Protecting Patient Data in Health Care Organizations

3. Digital Copyright And Piracy

4. Government Systems And Public Sectors

5. Crowdfunding and Fundraising

6. Real Estate

7. Sports and ESports

8. Identity Theft 

Is it Safe?

1. Blockchain Protocols Are Hard to Integrate. Blockchain is a new technology. ...

2. Lack of Standardization. ...

3. Poor Valuation of Cryptocurrencies. ...

4. Underdeveloped Standards. ...

5. High Energy Demand. ...

6. Data Privacy Legislation. ...

7. Trusting Blockchain Managers and Developers. ...

8. The Users' Role

Pros and Cons of Blockchain

Some Common Questions

1. Who invented blockchain?

Satoshi Nakamoto

2. How many blockchains are there?

There are more than 10,000 other cryptocurrency systems running on blockchain.

3. What is a blockchain platform?

A blockchain platform allows users and developers to create novel uses of existing blockchain infrastructure.  Ethereum, which has a native cryptocurrency known as ether (ETH).

4. What is the main purpose of blockchain?

The purpose of the blockchain is to share information amongst all parties that access it via an application.

Some Common Questions

5. Which Blockchain is the fastest?

Algorand, block finality of 4.41 seconds.

6. What is the biggest blockchain company?

1.Coinbase Global Inc. (COIN) 2.Monex Group Inc. (MNXBF) 3.BIT Mining Ltd. (BTCM)

7. What is Smart Contract?

8. What is web3.0.

Thank You