Towards Usable Blockchain Interfaces – Understanding Seed Phrase Storage in Practice

An increasingly popular method to generate private/ public key pairs for cryptocurrency wallets is Hierarchical Deterministic Key Generation based on a series of random words. These words (mnemonics) can be stored and subsequently used to (re-)generate the original private key file, in case it is lost.

The goal of this thesis is to analyze how users actually store these phrases in practice, to look at the benefits and drawback of different strategies and ultimately develop a new concept for improved handling of mnemonics.

This thesis has been completed. If you have similiar ideas in this area, reach out to me.


  • Review of related literature
  • Analyze key phrase/ mnemonics storage strategies in practice (Online Research)
  • Analyze key phrase/ mnemonics storage strategies in practice (User Interviews)
  • Design a user study to systematically compare the different strategies
  • Develop and evaluate a concept to improve upon existing strategies

Preferred Qualifications

  • Knowledge in the area of human computer interaction
  • Independent thinking and creative problem solving
  • Interest in designing and conducting user studies
  • Web Development Experience (optional)
  • Interest in crypto currencies (optional)

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