Explainers: Wallet security

Watch-Only Wallets: Track Bitcoin Without Private Keys
A watch-only wallet tracks Bitcoin activity without holding the private keys needed to spend.

Multisig vs MPC Wallets: Where the Approval Rule Lives
Multisig exposes a threshold rule onchain; MPC can produce one signature from distributed key shares.

A Wallet Signature Is Not Always a Login
A request with no gas fee can still authorize an action that affects your assets.
