Tech Tutorials

📚 What is Cryptocurrency?

Cryptocurrency is Digital currency a form of payment that can be exchanged online for goods and services,, but uses an online ledger with strong cryptography to secure online transactions.

📝 How does it works?

Cryptocurrencies work using a technology called blockchain. Blockchain is a decentralized technology spread across many computers that manages and records transactions. Part of the appeal of this technology is its security.

🕵Who created Cryptocurrency?

• Satoshi Nakamoto

♻️ List of Cryptocurrencies

• Bitcoin
• Ethereum
• Litecoin
• Ripple
• Dogecoin
• Coinye
• Biance
• Dash
• Bytecoin

Pro's :
• Unparalleled Transparency.
• Instant and 24-hour accessibility.
• Absolute anonymity

Con's:
• It can be difficult to comprehend.
• Challenges of market fluctuations.
• No security in case of loss.

📌Cryptocurrency generally only exists electronically. There is no physical coin or bill unless you use a service that allows you to cash in cryptocurrency for a physical token

📚 What is a Firewall ?

A firewall is a system that is designed to prevent unauthorized access from entering a private network by filtering the information that comes in from the internet.It creates a safety barrier between a private network and the public internet.

♻️ There are 3 basic types of firewalls

• Packet Filters
• Stateful Inspection
• Proxy Server Firewalls

Firewalls can either be software or hardware, though it's best to have both. A software firewall is a program installed on each computer and regulates traffic through port numbers and applications, while a physical firewall is a piece of equipment installed between your network and gateway.

❇️ Benefits:

• A Firewall prevents hackers and remote access.
• It protects data.
• It ensures better privacy and security.
• It protects from Trojans.
• A network-based Firewall, like a router, can offer protection to multiple systems, while an OS-based Firewall can protect individual systems.

@TecnoStreet || @TechTutorialss

📚 What is VoLTE ?

Voice over Long Term Evolution(VoLTE) is a digital packet voice service delivered over IP via an LTE access network.Voice calls over LTE are recognised as the industry-agreed progression of voice services across mobile networks, deploying LTE radio access technology.

❇️ Benefits:

• HD voice call
• Better battery life
• Faster data
• Works with Wifi
• Improved coverage and connectivity

@TecnoStreet || @TechTutorialss

📚 What is a VIRUS in computer?

A computer virus is a type of malicious code or program written to alter the way a computer operates and is designed to spread from one computer to another. A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code.

In Simple words - A computer virus, much like a flu virus, is designed to spread from host to host and has the ability to replicate itself

❇️ What are the signs of a computer virus?

• Frequent pop-up windows.
• Changes to your homepage.
• Frequent crashes.
• Unusually slow computer performance.
• Unusual activities like password changes.

♻️ Types of Computer Viruses

• Boot Infectors
• Email Viruses
• Trojans horses
• Direct Action Viruses
• Directory Viruses
• Worm
• Macro virus
• Memory Resident virus
• Overwrite Viruses
• Polymorphic Viruses
• Multipartite Virus
• Web scripting viruses

@TecnoStreet || @TechTutorialss