In building a sustainable and innovative digital era in finance, there are several key directions and strategies to consider:

In building a sustainable and innovative digital era in finance, there are several key directions and strategies to consider:

1. **Digital Transformation and Innovative Technology:** Apply digital technologies to financial processes, including blockchain, artificial intelligence, big data, and the Internet of Things. This can enhance efficiency, create new financial products and services, and improve customer experiences.

2. **Sustainable Finance:** Drive the development of sustainable finance by incorporating Environmental, Social, and Governance (ESG) factors into financial decision-making processes. This can be achieved through investing in green projects, issuing green bonds, and promoting environmental protection and social responsibility.

3. **Fintech Innovation:** Encourage fintech startups and innovative projects to develop new payment methods, lending platforms, digital currencies, and more. It's essential to ensure effective risk management for related innovations.

4. **Data Security and Privacy Protection:** As digitization advances, data security and privacy become critical issues. Financial institutions need to establish robust data protection strategies to ensure the security of customer data.

5. **Financial Education and Inclusion:** Promote financial literacy to help the public better understand and participate in the digital finance era. Increase financial literacy rates and empower investors to make informed decisions.

6. **Cross-Sector Collaboration:** Financial institutions can collaborate with technology companies, startups, and government agencies to drive the development of the digital finance era. This collaboration can lead to greater innovation and impact.

In conclusion, building a sustainable and innovative digital era in finance requires comprehensive consideration of technology, sustainability, security, and more. Through collaboration and innovation, positive transformation in the financial sector can be achieved.