Put differently: custody has two parts — the private key and the environment that can be tricked into giving it away. That distinction explains why hardware wallets exist, why they matter for most US retail holders, and where even a well-designed device like a Trezor still faces limits. This essay traces the technical logic behind Trezor hardware wallets and Trezor Suite, explains the trade-offs against other custody models, and gives practical heuristics you can use when choosing a secure setup for dollar-value-stablecoins and other tokens.
Start with a simple mechanism: a hardware wallet isolates the private key in a tamper-resistant device
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