Part 9/13:
Focusing solely on Bitcoin reduces attack vectors and simplifies management:
Treasure Safe 5: Bitcoin-only firmware option available; supports only Bitcoin.
Ledger: Multicoin support; supports many altcoins.
Blockstream Jade Plus: Supports Bitcoin and Liquid network, but primarily Bitcoin-focused.
Cold Card Q: Bitcoin-only; explicitly designed for Bitcoin security.
Bit Key: Bitcoin-only.
Firmware Updates
Updating firmware ensures ongoing security and feature access:
Treasure Safe 5: Updates via Treasure Suite.
Ledger: Firmware updates through Ledger Live or supported third-party software.
Blockstream Jade Plus: Firmware updated via microSD or Blockstream Green.