Digital currency exchange Kraken, a major player in the world of cryptocurrency, has announced it will begin accepting Monero for trading. Monero is a more anonymous cryptocurrency than Bitcoin, popular almost exclusively on the deep web. Monero (XMR) has struggled to gain widespread acceptance on the major exchanges, leading to liquidity issues for holders of XMR. With its acceptance by Kraken, the popularity of Monero may grow. Currently, the crypto accounts for roughly 2% of transaction volume on the popular Alphabay Market .