Binance's custody service, now known as Ceffu, offers a secure solution for institutions to store and manage their digital assets. Essentially, it acts as a guardian of digital assets for institutional clients.

Here is a brief explanation of its key points:

* Institutional Custody: It is designed specifically for the needs of companies, investment funds, and other entities that handle large amounts of cryptocurrencies.

* Robust Security: It employs advanced security measures, such as cold storage, multi-party computation (MPC) technology, and custom multi-approval schemes to protect assets against unauthorized access and cyberattacks.

* Regulatory Compliance: Ceffu aims to comply with relevant regulations and often obtains certifications such as ISO 27001 and SOC 2 to demonstrate its high standards of security and compliance.

* Access to Binance Liquidity: An important advantage is its connection to the Binance ecosystem, allowing institutional clients to access the liquidity of the exchange while their assets remain under Ceffu's secure custody.

* Customized Solutions: They offer custody solutions that can be tailored to the specific needs of each institutional client.

In summary, Binance's custody service (Ceffu) provides a secure and compliant way for institutions to store and manage their crypto assets, while also offering access to the Binance market.