Help Center

Find FAQs, troubleshoot issues, and learn how to make the most of MiYu Note.

What is end-to-end encryption?

End-to-end encryption (E2EE) is the highest level of communication security protection. Data is encrypted only on the sender's device and decrypted after reaching the receiver's device. During transmission (including servers), information remains in encrypted form throughout, ensuring that no third party other than the communication parties (including network operators or service providers) can intercept or read it.

Category:End-to-end encryption
Updated:June 1, 2026

What is a spatial key, and what is its purpose?

The spatial key is the unique credential for accessing plaintext content during encryption and decryption, consisting of a 128-bit completely random character sequence

Category:End-to-end encryption
Updated:June 1, 2026

How are spatial keys stored?

Your space key is generated when the space is created. After creation, the key will be encrypted locally using the password you set. After encryption, the encrypted data will be stored on our server, and our server will never possess or temporarily possess your plaintext key in any form

Category:End-to-end encryption
Updated:June 1, 2026

Why do we need spatial key passwords?

Once a space is created, the space key cannot be changed, so the space key password is used to protect your space key

Category:End-to-end encryption
Updated:June 1, 2026

What if I accidentally lose my space key?

If you have lost your space key, you can verify the space key password in the space settings to view and download your plaintext key. However, please note, if you forget your password at the same time, you will permanently lose your plaintext key, and we cannot decrypt it for you

Category:End-to-end encryption
Updated:June 1, 2026

What is space?

A space is a container of resources; all resources belong to a specific space. Space is also the basic organizational unit for data encryption; resources within the same space share the same encryption key

Category:Get Start
Updated:July 2, 2026

What is "zero-knowledge encryption"? Can the official MiYu Note account see my notes?

No. All data is encrypted by the ChaCha20 algorithm before leaving your device, and keys are stored only on your local device. Even if the server is attacked, the cloud will only store a pile of unreadable garbled text.

Category:Get Start
Updated:August 7, 2026

Do I need to configure WebDAV or third-party cloud storage myself for multi-platform syncing?

Not at all. MiYu Note has a built-in cloud-native sync engine, allowing users to directly enjoy fully automated, highly secure cross-platform incremental synchronization just by registering an account.

Category:Get Start
Updated:August 7, 2026