Cryptocurrencies can be kept online or offline. If the cryptos are kept on the exchange platforms or other online platforms, it can be lost due to hacks.
So it is important to choose the best wallets that are safe and secure. Please help me in choosing the safest cryptocurrency wallets
Any wallet that you keep the private key that means is safe. For bitcoin I suggest electrum, for ethereum and token is MEW, for multicurrensy is trustwallet. This is free and I think enough for newbie. But if you have more money hardware wallet is so recommended