The safest cryptocurrency wallet is an air-gapped hardware wallet, but its drawback is that it requires technical expertise to use, making it unsuitable for novices looking for a simple wallet that isn't too advanced for them.
Hardware wallets are protected from online attacks when they are not connected to an internet-connected computer, however even though they are the safest wallet, they can still be physically attacked. One way that hardware wallets can be compromised is if someone receives a phoney hardware wallet with flaws that allow hackers to access your wallet and private key.
1. Cord connection: data can still be transmitted when connecting the hardware wallet to your PC.
There are some measures to be taken to protect air gapped hardware wallet from attacks else it can get compromise. Air gapped Hardware wallets are designed for offline purposes and are not meant to be connected to an online computer. Connecting to an online computer/network is so risky that it is even advised to always use a phone USB charger to power it up and not use an online USB connection to power it up so it doesn’t get exposed.
4. You still have to rely on the company for future safetiness of the hardware wallet in terms of software updates, if someone hackers find a way to alter the upcoming update file you know what could happen.
This is a major concern as well since it is very possible to receive a fake hardware wallet or receive a wallet that contains malware from a wrong company Despite being the safest wallet option we still need to put into consideration some security measures so we don’t risk losing our assets or private keys.
Cryptocurrency in general is very risky because we make use of wallets that are being designed and developed by other people and the majority of us lack knowledge about programming and software development but we still trust and use wallets designed by others. There is no guarantee in crypto but it is always worth the risk.