If you want your precious coins safe and protected from malware and hackers, please get yourself an offline wallet. 
![ledger2.png](https://steemitimages.com/DQmXED5s4BeJb3rfnaGeS3byoHxYae8QECkbXr2iF74KsYy/ledger2.png)
The best ones out there are Trezor and Ledger Nano S. The issue with Trezor is that it doesn't support many cryptocurrencies but on Ledger Nano S you can pretty much store all the top Altcoins and Bitcoin, also Trezor is more expensive when compared to Ledger Nano.
![ledger.JPG](https://steemitimages.com/DQmWPBYUkp5xtGo2AnABGRHby3SaDJsUidRRN6tnrBdwNDx/ledger.JPG)

Ledger Nano S supports the following coins:

- Ark

- Bitcoin

- Bitcoin Cash

- Bitcoin Gold

- Ethereum/ Ethereum Classic

- Expanse

- Dash

- Digibyte

- Dogecoin

- Hcash

- Komodo

- Litecoin

- Neo

- Pivx

- PoSW

- Qtum

- Stealthcoin

- Stellar

- Stratis

- Ubiq

- Vertcoin

- Viacoin

- XRP

- Zcash
https://www.youtube.com/watch?v=6_Zdw1f1Los
Some other Ethereum tokens (ERC20 tokens) can be managed using Ledger Nano S and Ledger Blue with MyEtherWallet only (it won't work with the Ledger Wallet application):
click here to see the full list: https://ledger.zendesk.com/hc/en-us/articles/115005439585

Cost of Ledger Nano S is EURO 58 + Shipping cost but I think its well worth it..

My referral link to buy Ledger Nano S : https://www.ledgerwallet.com/r/9703

Ledger Nano S can be shipped anywhere in the world