Skip to content
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
75 lines (44 sloc) 2.2 KB

Encoding seed phrase to the picture (steganography)

Challenge: How might we ease up private key storing for cryptowallet users?

End goal: users can recover their private keys without the need to memorize or store them.

Sprint Questions:

  • Can we make a seamless process on the mobile?
  • How secure would be such a solution?
  • How open are users for new options?

Problem Research

Customer Journey

Needs Hypotheses

  • User want easier backup of their seed phrases securely

Existent Alternatives

  • Write down the key/phrase
  • Custodian approach
  • Hard wallets integration
  • Contacts Recovery (Gnosis SAFE)
  • Knowledge Based Authentication
  • Biometry

{% hint style="info" %} Knowledge Based Authentication (Steganography) is comparably better than other alternatives {% endhint %}

Product Definition

A service/library that encodes the key into a picture/set of pictures at the wallet setup phase.


Visual cryptography is a cryptographic technique which allows visual information (pictures, text, etc.) to be encrypted in such a way that the decrypted information appears as a visual image.

The idea: Use image-based steganography and optional password to backup your seed phrase The rationale: The offline backup is proven to be fragile to a human factor errors. The hardware may crash. The ideal backup:

  • is stored on many devices and cloud
  • may be visible to public

There is only one asset that we all have that satisfies those conditions. Photo.

You may take a family picture that everybody has and encode your seed phrase with or without password. Send photo and feel safe.


iOS App demo

{% embed url="" %}

Test with users


  • How many crypto wallets you use?
  • How do you store key phrases?
  • How often do you recover?
  • How convenient is it?
  • Have you ever lost the they?

*Test goes here*

A library for wallets that allows saving the seed phrase into local stored photos

Quick demo


You can’t perform that action at this time.