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Bitcoin is the first decentralized digital currency, introduced in 2009 by an unknown person or group under the name Satoshi Nakamoto.

Decentralized Finance refers to financial applications built on blockchain technologies, which started to emerge around 2018.

An ICO is a type of funding using cryptocurrencies, first appearing around 2013, that has since funded various new software projects.

A group of cryptocurrency miners who combine their computational resources over a network to strengthen the probability of finding a block, emerged around 2010.

Ethereum is a decentralized platform that enables smart contracts and distributed applications, introduced in 2015 by Vitalik Buterin.

A cryptocurrency wallet is a digital means for a user to store, send, and receive cryptocurrencies, rapidly adopted after Bitcoin's release.

A blockchain is a distributed ledger technology that underlies cryptocurrencies like Bitcoin and was first conceptualized in 2008.

Proof of Work is a consensus mechanism that requires participants to perform computational work, introduced with Bitcoin in 2009.

An event that reduces the reward for mining new blocks by half, occurring approximately every four years, first in 2012.

A platform where customers can trade cryptocurrencies for other assets, with the first appearing in 2010.

NFTs represent ownership of unique items and assets, made possible by Ethereum's ERC-721 standard introduced in 2017.

Smart contracts are self-executing contracts with the terms directly written into code, became popular with the introduction of Ethereum in 2015.

Proof of Stake is a type of consensus mechanism used by some blockchains, which was introduced by Peercoin in 2012.

A pseudonymous person or group who created Bitcoin and wrote its original whitepaper, revealing the technology in 2008.