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	= Crypto =		= Crypto =
	Crypto, short for cryptocurrency, refers to a digital or virtual currency that uses cryptography for security. These currencies are decentralized and typically based on blockchain technology, which is a distributed ledger enforced by a network of computers.		Crypto, short for cryptocurrency, refers to a digital or virtual currency that uses cryptography for security. These currencies are decentralized and typically based on blockchain technology, which is a distributed ledger enforced by a network of computers. Cryptocurrencies offer an innovative approach to digital transactions, aiming to enhance privacy, security, and efficiency in financial systems.

	== History ==		== History ==
	The concept of cryptocurrency dates back to the late 20th century, but it became widely known with the creation of [[Bitcoin]] in 2009 by an anonymous person or group of people using the pseudonym Satoshi Nakamoto. Bitcoin introduced the idea of a decentralized digital currency, leading to the development of thousands of alternative cryptocurrencies, often referred to as altcoins.		The concept of cryptocurrency dates back to the late 20th century, but it became widely known with the creation of [[Bitcoin]] in 2009 by an anonymous person or group of people using the pseudonym Satoshi Nakamoto. Bitcoin introduced the idea of a decentralized digital currency, leading to the development of thousands of alternative cryptocurrencies, often referred to as altcoins. The early 2010s saw the emergence of notable cryptocurrencies such as [[Ethereum]], which expanded the functionality of blockchain technology with smart contracts.

	== How Cryptocurrencies Work ==		== How Cryptocurrencies Work ==
	Cryptocurrencies operate on a technology called blockchain. A blockchain is a distributed ledger that records all transactions across a network. The security of this ledger is ensured by cryptographic techniques, which also enable the validation of transaction authenticity without a central authority.		Cryptocurrencies operate on a technology called blockchain. A blockchain is a distributed ledger that records all transactions across a network. The security of this ledger is ensured by cryptographic techniques, which also enable the validation of transaction authenticity without a central authority. This decentralization reduces the risk of fraud and enhances transparency.

	=== Mining ===		=== Mining ===
	Mining is the process by which transactions are verified and added to the public ledger, the blockchain. It is also how new coins are created. Miners use powerful computers to solve complex mathematical problems that validate transactions, earning cryptocurrency as a reward.		Mining is the process by which transactions are verified and added to the public ledger, the blockchain. It is also how new coins are created. Miners use powerful computers to solve complex mathematical problems that validate transactions, earning cryptocurrency as a reward. The energy consumption of mining has led to discussions about its environmental impact and the pursuit of more sustainable mining practices.

	=== Wallets ===		=== Wallets ===
	Cryptocurrency wallets are digital tools that allow users to store and manage their crypto assets. These wallets can be software-based, enabling access through a computer or smartphone, or hardware-based, providing offline storage for enhanced security.		Cryptocurrency wallets are digital tools that allow users to store and manage their crypto assets. These wallets can be software-based, enabling access through a computer or smartphone, or hardware-based, providing offline storage for enhanced security. Wallets play a crucial role in ensuring the safe storage and transfer of cryptocurrencies.

	== Applications ==		== Applications ==
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	* Payments: Cryptocurrencies like [[Bitcoin]] and [[Ethereum]] can be used for peer-to-peer transactions, enabling fast and secure payments without intermediaries.		* Payments: Cryptocurrencies like [[Bitcoin]] and [[Ethereum]] can be used for peer-to-peer transactions, enabling fast and secure payments without intermediaries.
	* Smart Contracts: Platforms like Ethereum allow for the execution of smart contracts, which are self-executing contracts with the terms of the agreement directly written into code.		* Smart Contracts: Platforms like Ethereum allow for the execution of smart contracts, which are self-executing contracts with the terms of the agreement directly written into code. These contracts automate processes and reduce the need for intermediaries.
	* Decentralized Finance (DeFi): DeFi refers to financial services that use blockchain technology to recreate traditional financial systems such as lending and borrowing without the need for intermediaries.		* Decentralized Finance (DeFi): DeFi refers to financial services that use blockchain technology to recreate traditional financial systems such as lending and borrowing without the need for intermediaries. DeFi has gained popularity for its potential to democratize access to financial services.

	== Challenges and Criticisms ==		== Challenges and Criticisms ==
	Cryptocurrencies face several challenges and criticisms, including:		Cryptocurrencies face several challenges and criticisms, including:

	* Volatility: The value of cryptocurrencies can be highly volatile, leading to significant price fluctuations.		* Volatility: The value of cryptocurrencies can be highly volatile, leading to significant price fluctuations that can impact users and investors.
	* Regulatory Concerns: The lack of regulation in the cryptocurrency space raises concerns about fraud, money laundering, and the potential for illegal activities.		* Regulatory Concerns: The lack of regulation in the cryptocurrency space raises concerns about fraud, money laundering, and the potential for illegal activities. Governments worldwide are exploring ways to implement appropriate regulations.
	* Scalability: As the use of cryptocurrencies grows, scalability becomes an issue, with networks sometimes struggling to handle large volumes of transactions.		* Scalability: As the use of cryptocurrencies grows, scalability becomes an issue, with networks sometimes struggling to handle large volumes of transactions. Solutions such as the Lightning Network aim to address these challenges.

	== See also ==		== See also ==
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	* [[Ethereum]]		* [[Ethereum]]
	* [[Smart Contract]]		* [[Smart Contract]]
			* [[Decentralized Finance]]

	== References ==		== References ==
	<ref>Antonopoulos, Andreas M. "Mastering Bitcoin: Unlocking Digital Cryptocurrencies." O'Reilly Media, 2017.</ref>		<ref>Antonopoulos, Andreas M. "Mastering Bitcoin: Unlocking Digital Cryptocurrencies." O'Reilly Media, 2017.</ref>
	<ref>Nakamoto, Satoshi. "Bitcoin: A Peer-to-Peer Electronic Cash System." 2008.</ref>		<ref>Nakamoto, Satoshi. "Bitcoin: A Peer-to-Peer Electronic Cash System." 2008.</ref>
			<ref>Buterin, Vitalik. "A Next-Generation Smart Contract and Decentralized Application Platform." 2013.</ref>

	[[Category:Cryptocurrencies]]		[[Category:Cryptocurrencies]]

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= Crypto =
Crypto, short for cryptocurrency, refers to a digital or virtual currency that uses cryptography for security. These currencies are decentralized and typically based on blockchain technology, which is a distributed ledger enforced by a network of computers.

== History ==
The concept of cryptocurrency dates back to the late 20th century, but it became widely known with the creation of [[Bitcoin]] in 2009 by an anonymous person or group of people using the pseudonym Satoshi Nakamoto. Bitcoin introduced the idea of a decentralized digital currency, leading to the development of thousands of alternative cryptocurrencies, often referred to as altcoins.

== How Cryptocurrencies Work ==
Cryptocurrencies operate on a technology called blockchain. A blockchain is a distributed ledger that records all transactions across a network. The security of this ledger is ensured by cryptographic techniques, which also enable the validation of transaction authenticity without a central authority.

=== Mining ===
Mining is the process by which transactions are verified and added to the public ledger, the blockchain. It is also how new coins are created. Miners use powerful computers to solve complex mathematical problems that validate transactions, earning cryptocurrency as a reward.

=== Wallets ===
Cryptocurrency wallets are digital tools that allow users to store and manage their crypto assets. These wallets can be software-based, enabling access through a computer or smartphone, or hardware-based, providing offline storage for enhanced security.

== Applications ==
Cryptocurrencies offer several potential applications, including:

* **Payments**: Cryptocurrencies like [[Bitcoin]] and [[Ethereum]] can be used for peer-to-peer transactions, enabling fast and secure payments without intermediaries.
* **Smart Contracts**: Platforms like Ethereum allow for the execution of smart contracts, which are self-executing contracts with the terms of the agreement directly written into code.
* **Decentralized Finance (DeFi)**: DeFi refers to financial services that use blockchain technology to recreate traditional financial systems such as lending and borrowing without the need for intermediaries.

== Challenges and Criticisms ==
Cryptocurrencies face several challenges and criticisms, including:

* **Volatility**: The value of cryptocurrencies can be highly volatile, leading to significant price fluctuations.
* **Regulatory Concerns**: The lack of regulation in the cryptocurrency space raises concerns about fraud, money laundering, and the potential for illegal activities.
* **Scalability**: As the use of cryptocurrencies grows, scalability becomes an issue, with networks sometimes struggling to handle large volumes of transactions.

== See also ==
* [[Blockchain]]
* [[Bitcoin]]
* [[Ethereum]]
* [[Smart Contract]]

== References ==
<ref>Antonopoulos, Andreas M. "Mastering Bitcoin: Unlocking Digital Cryptocurrencies." O'Reilly Media, 2017.</ref>
<ref>Nakamoto, Satoshi. "Bitcoin: A Peer-to-Peer Electronic Cash System." 2008.</ref>

[[Category:Cryptocurrencies]]
[[Category:Blockchain]]
[[Category:Digital currencies]]

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Crypto - Revision history

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