I think we are talking of ECR-20 Tokens. You can store itsafely in several way :
- MEW (or other wallet) : it can be safe, just care of where tou store your private key : USB or paper, it's the most secure because offline, you can encryt it hardly and store it in a cloud
- ledger nano S et trezor hardware wallet, very safe because you can't be stolen if you save well your Privztekey, hardware key is needed for operation
- MEW (or other wallet) : it can be safe, just care of where tou store your private key : USB or paper, it's the most secure because offline, you can encryt it hardly and store it in a cloud
- ledger nano S et trezor hardware wallet, very safe because you can't be stolen if you save well your Privztekey, hardware key is needed for operation