Compared to the blockchain, databases perform fast as there is no verification process. Four of the most popular cryptocurrency market databases are Coinmarketcap, Coingecko, BraveNewCoin and Cryptocompare. The "market cap" of any coin is calculated by multiplying the lenincoin.com price by the number of coins in circulation. The total cryptocurrency market cap has historically been dominated by Bitcoin accounting for at least 50% of the market cap value where altcoins have increased and decreased in market cap value in relation to Bitcoin. Bitcoin's value is largely determined by speculation among other technological limiting factors known as block chain rewards coded into the architecture technology of Bitcoin itself. As the date reaches near of a halving the cryptocurrency market cap increases, followed by a downtrend.
