Hardware Wallet Threats And Vulnerabilities

"Get a hardware wallet" is the defacto advice given to store cryptocurrencies securely, but how secure are they in reality? When you receive a bitcoin, how do you know that really happened? When you send a bitcoin, how do you know where it actually went? What's the deal with evil maids? Here we'll go over what types of attacks existing hardware wallets can and can't protect against, how peer review and open source works with respect to hardware wallets, and finally, how they compare to other ways of securing digital assets.