Web3 users are advised to mitigate risks associated with long-term contract authorizations by regularly clearing unlimited authorizations and adhering to the principle of least privilege. Implementing a cold-hot wallet management strategy can further enhance security. Additionally, users should be cautious in social and travel scenarios, ensuring mnemonic phrases are stored offline and addresses are thoroughly verified before transactions. While Web3 cannot eliminate risks entirely, adopting these best practices can help keep them within a manageable range.