What is the best decentralized crypto wallet?

Could you please elaborate on what characteristics define the best decentralized crypto wallet? When considering security, ease of use, and compatibility, which wallet stands out? How does it protect users' funds and private keys effectively? Also, how does it ensure seamless transactions across various blockchains? Is there a specific wallet that offers advanced features like staking or lending options? Additionally, how does the wallet handle scalability and transaction speeds, especially during peak usage? Finally, could you recommend a few top-rated decentralized crypto wallets based on your expertise in the field?