The prices of top cryptocurrencies tumbled down today after touching new highs on November 9. Prices of the world’s biggest cryptocurrency Bitcoin (BTC) fell from $68,290 to $66,519.53, while the market value of Ethereum (ETH), the second-biggest cryptocurrency, fell from $4,807 to $4,684.30 at the time of filing the report on November 10, according to data from cryptocurrency exchange Coinmarketcap.com.