There are many more types of e-commerce. Below we will describe some of them.

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B2G (business-to-government). Relations between business and government. An example is electronic government procurement, when the government buys the goods it needs via the Internet.
P2P (peer-to-peer). A term that describes lending money without the involvement of a traditional financial intermediary (such as a bank). An example is loans that are issued online on the websites of special credit organizations.
B2E (business-to-employee) — relationships between commercial organizations indonesia whatsapp number database and employees (hired workers). Examples of such relationships: a field service employee is given access to customer and product data that is only available on the company's internal network.
Advantages of e-commerce
Below we will describe the main advantages of e-commerce.

The business is available 24/7 every day of the year. People can place and pay for orders online.
Global scale. Transactions can be made practically anywhere in the world: in modern times, living in Russia, you can easily buy something from China, Europe or the USA.
Reducing costs for entrepreneurs. Now it is not necessary to rent an office to start your business.
Quick launch of products to the market. Any entrepreneur can create their own website, launch advertising and receive the first applications.
A large selection of goods and services. Indeed, with the advent of e-commerce, buyers have much more choice, because now you can buy a product from almost anywhere.
Increasing the list of services for society. Now you can get most services online: making an appointment with a doctor, education, paying utility bills and much more.
Products can be found online at a lower price than in regular stores.
Improved sales chains due to the relative simplicity of the transaction.
Anonymity. You can order a product or service without revealing your identity.
Disadvantages of e-commerce
Despite all the advantages, e-commerce also has its disadvantages, which we will discuss below.

Some shoppers do not trust online shopping.
There are often additional costs for shipping the goods.
Fraud related to the sale of goods and services, as well as the illegal appropriation of buyers' money.
The quality of the products can only be checked “on site” after ordering.
Possible displacement of some offline enterprises from the market.