virus is usually an executable file or code that is developed to invade computer systems. 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As of April 2022, there are over 18,000 <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-cryptocurrency/">cryptocurrencies in the world. Therefore, <strong>every cryptocurrency that isn&rsquo;t Bitcoin is known as an &lsquo;altcoin&rsquo;</strong>.</p>\n<p>Both cryptocurrency coins and <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-token/">tokens can be considered altcoins. Some of the most popular altcoins in the market are <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-ethereum-eth/">Ethereum (ETH)</strong></a>, <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-tether-usdt/">Tether (USDT)</strong></a>, and <a href=https://www.bitdegree.org/"https://www.bitdegree.org/crypto/buy-cardano-ada/">Cardano (ADA)</strong></a>.</p>","level":"easy","meta_title":"What is Altcoin? Definition & Meaning | Crypto Wiki","meta_description":"Altcoin meaning: Altcoin - any cryptocurrency that isn’t Bitcoin; short for “alternative coin”.","meta_keywords":null,"language":"en","created_at":"2022-02-10T14:25:57.000000Z","updated_at":"2022-05-13T14:32:22.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-is-altcoin"},"prevSection":{"id":31,"original_id":null,"author_id":41,"translator_id":null,"title":"What does Alphanumeric mean?","slug":"what-does-alphanumeric-mean","section":"A","keyword":"Alphanumeric","status":"published","definition":"phrases consisting of letters or numbers; often used for passwords.","content":"<p><strong>Alphanumeric</strong> refers to something that consists of both letters and numbers. In many cases, this concerns passwords or security codes. An alphanumeric phrase can be used as a password for a <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-wallet/">cryptocurrency wallet</strong></strong></a> or <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-centralized-exchange-cex/">exchange.

/n

Alphanumeric phrases are generally seen as safe password options. Using a combination of letters and numbers ensures a higher level of security for an account. The more randomized the alphanumeric combination is, the lower the chances are of the account being breached.</p>\n<p>Often upon sign-up users are required to create a password that contains a certain minimum number of characters. The higher the number of characters in an alphanumeric password is, the more likely it is to be accepted as a strong password.</p>\n<p>An alphanumeric phrase is almost always a prerequisite for a cryptocurrency wallet account to ensure the account is put at the lowest possible risk of being compromised. Alphanumeric phrases may also be used as <a href=https://www.bitdegree.org/"/crypto/learn/crypto-terms/what-is-recovery-seed/">recovery phrases</strong></a>.</p>\n<p>The full Latin alphabet &ndash; from A to Z &ndash; and all numbers from 0 to 9 can be used in an alphanumeric phrase. In some cases, letters and characters from non-Latin alphabets can be accepted for alphanumeric phrases.</p>\n<p>Alphanumeric phrases can be created using <strong>password generators</strong>. Some examples of strong alphanumeric phrases are b8sjO87IoGpS, gM62eV6XA6ms, or 6pyl75kk0z9li6b. In order to reinforce alphanumeric phrases, passwords can sometimes also contain special characters, like %, $, or ^.</p>\n<p>Alphanumeric phrases can also be used in contexts outside of security measures. 1337, or leetspeak, is a way of typing that replaces some letters with numbers to create alphanumeric words that hold meaning.</p>","level":"easy","meta_title":"What does Alphanumeric mean? Definition & Meaning | Crypto Wiki","meta_description":"Alphanumeric meaning: Alphanumeric - phrases consisting of letters or numbers; often used for passwords.","meta_keywords":null,"language":"en","created_at":"2022-02-10T14:22:45.000000Z","updated_at":"2022-05-13T14:32:22.000000Z","preview_url":"https://www.bitdegree.org/crypto/learn/crypto-terms/what-does-alphanumeric-mean"},"currentChapter":"A","currentSection":"what-is-antivirus","chapterTitle":"A","readingLevel":"medium"},"url":"/crypto/learn/crypto-terms/what-is-antivirus","version":"cdd198d50cbe5c9c21c9329d7c096ffc"}" class="container-fluid d-flex crypto-book p-0">

Handbook Cover Page
Crypto Terms: Letter A

What is Antivirus?

Antivirus MEANING:
Antivirus - software that's designed particularly to identify and remove viruses from a computer.
Medium
2 minutes

Let's find out Antivirus meaning, definition in crypto, what is Antivirus, and all other detailed facts.

The first-ever functioning computer Z1 was invented back in 1936-1938, and not long after, computer viruses started existing. To be exact, the first self-replicating, experimental computer virus “Creeper System” was released a few decades later.

Following this one, there are several other famous computer viruses that occurred later. Fortunately, antivirus software came around. The concept is very simple, antivirus software - a program that detects, fights viruses, and protects the computer from obtaining any new ones.

There are several approaches that may be taken throughout the antivirus scanning procedure. The program may either scan the system for any recognized footprints or perform a manual search. It may also keep track of any questionable activities, such as altering rights, copying without user permission, or reading specific files. Or simply scanning for code.

Besides, a virus is usually an executable file or code that is developed to invade computer systems. Nowadays, we fully believe that an antivirus program can protect our personal information and files from Adware and spyware, ransomware and keyloggers, backdoors and rootkits, trojans, worms, dialers, fraud tools, and so on.

However, it frequently includes network firewall capabilities, such as defending us against spam, scam, DDoS assaults, and even phishing attempts.

Nevertheless, there are certain disadvantages. Antivirus software is known to slow down PC performance. There have been cases where the software deletes applications, damages operating systems, and even produces good findings after the machine has been infected with a virus.

Aside from that, individuals have a tendency to overestimate their own security and seek to accomplish things that are risky. Antivirus software cannot give complete security without vulnerabilities, particularly when it comes to emerging threats.

This is where new technologies such as sandboxing and data mining come in helpful. As a result, in order for an antivirus to function properly, it must be updated on a regular basis. Norton, Avast!, ESET NOD, and McAfree are the most well-known and widely utilized examples.

Keep in mind that, free and paid options provide different levels of protection. Even though a free version can be enough for some, you can’t expect your online data to be 100% safe without spending a cent.
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