51% Attack In a PoW system, if a concentrated group or entity obtains control of 51% (or more) of a cryptocurrency network’s hash power, they would in theory be able to perform a 51% attack. A 51% attack could allow the group of entity to double spend, replace blocks on the blockchain, prevent other miners & mining pools from being able to earn mining rewards, among other malicious acts. Address An address is a unique string of letters and numbers that is used to receive cryptocurrency from another person. Address lengths vary. Bitcoin addresses are usually 26-35 characters (though most Bitcoin addresses are 34). Ethereum addresses are 40 characters (42 including 0x prefix). The private key is used to create the public key; the public key is used to create the address Airdrop An Airdrop is a method of distribution for a new Cryptocurrency or token. Airdrops help to increase a projects visibility and circulating supply, and to create early buzz. Altcoin Altcoins (alternative coins) ...
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