Cryptocurrencies & Blockchain

Explanation: Bitcoin was created in 2009 by a person or group under the pseudonym Satoshi Nakamoto. The first block (genesis block) was mined on January 3, 2009.

Explanation: Satoshi Nakamoto is the pseudonym used by Bitcoin's creator. Their true identity remains unknown to this day, making it one of the biggest mysteries in the tech world.

Explanation: Ethereum, created by Vitalik Buterin in 2015, is the second largest cryptocurrency. It stands out for its ability to execute smart contracts.

Explanation: Mining is the process by which transactions are verified and added to the blockchain. Miners solve complex mathematical problems and are rewarded in cryptocurrency.

Explanation: NFT stands for Non-Fungible Token. Unlike cryptocurrencies, each NFT is unique and cannot be exchanged identically for another.

Explanation: The Bitcoin protocol limits the total number of Bitcoins to 21 million. This programmed scarcity is one of the reasons why Bitcoin is often compared to digital gold.

Explanation: A cold wallet stores cryptocurrencies offline, providing maximum security against hacks. Private keys are never exposed to the Internet.

Explanation: Dogecoin was created in 2013 by Billy Markus and Jackson Palmer as a parody. Despite its humorous origins, it became popular thanks to Elon Musk's support.

Explanation: A "crash" refers to a sudden drop in prices. In crypto jargon, people also talk about "dump" for a massive sell-off that causes prices to fall.

Explanation: On May 22, 2010, Laszlo Hanyecz bought 2 pizzas for 10,000 BTC. This date is celebrated as "Bitcoin Pizza Day." Those pizzas are now worth hundreds of millions of dollars.