Your private keys are stored by a third party as well but they are encrypted with your password

Anonymity: Medium

Ease of use: Easy

Supported coins: BTC LTC ADC BCC BCH BITB BLK BRK CLOAK CRW CURE DASH DCR DGB DOGE EBST ETC ETH EXP FLC GAME GBYTE GCR GLD GRC LEO LSK MAID MUE NAV NEO NLC2 NMC NVST NXS NXT OMNI PINK PIVX POT PPC PROC PSB PURA QRK QTUM REC SBD SIB SMART STEEM STRAT SYS USDT VOX VTC WAVES XCP XEM XMR XVG ZEC ZEN LTCT