Local Storage: Keys are controlled by the user, offering higher security. Third-Party Storage: Keys are held by a third party, with user encryption.

Full Node Wallet: Represented by bitcoin-core, it requires syncing all blockchain data, consuming significant memory but fully decentralized. Light Wallet: Depends on other nodes in the Bitcoin network, syncing only relevant data, mostly decentralized. Centralized Wallet: Does not rely on the Bitcoin network, with all data obtained from centralized servers, offering high transaction efficiency and real-time settlement.

Multi-signature technology involves multiple users signing a digital asset simultaneously. Multiple private key verification enhances digital asset security.