The most safety way to hold your crypto-assets are Ledger nano or Tresor wallets. The only way to lose your coins with those wallets is to lose self physical carrier but you will be protected from hackers.
yes I agree with you. now the safest way to secure assets that we have in my opinion and perhaps according to many other prize hunters is to use the Ledger Nano wallet because so far there is no problem with the use of this wallet