Why Ledger matters
Ledger devices are a hardware-first solution that separates the critical key material from your daily environment. By storing private keys inside a tamper-resistant secure element and requiring explicit user approval on-device, Ledger reduces the attack surface dramatically compared to software-only wallets. This approach is ideal for individuals holding meaningful value and for services implementing robust custody models.
Practical setup & usage
Start by creating a new seed on-device; avoid importing seeds from unknown sources. Use a strong PIN and enable the optional passphrase for added defense-in-depth. For regular usage, pair the device with Ledger Live or any compatible wallet via the secure transport — but always verify every transaction on the device’s display before approving. For high-value storage, consider combining Ledger with multisig or air-gapped signing with an offline computer.
Frequently asked questions
Developer & integration notes
Communicate via HID or WebUSB transports using APDU-like commands. Keep host-side logic minimal: construct canonical transactions, transmit them for display, and validate signatures on return. Implement challenge binding to thwart replay attacks and rate-limit requests to protect against host-controlled DoS.