Which wallet is the safest?
If you ask me which is the safest , i would say go for
Hardware Wallets:
Trezor and Ledger HW.1 are quickly becoming popular as portable physical vaults. They are incredibly small devices. They are secure for storage, sending and receiving transactions online.
Trezor :
https://trezor.io/ Ledger :
https://www.ledgerwallet.com/