Iterative Design of An Accessible Crypto Wallet for Blind Users
summary
Study analyzes MetaMask accessibility then prototypes an inclusive wallet and tests it with 44 novices (23 blind, 20 sighted, 1 low vision). Finds unlabeled controls, screen‑reader breaks, and confusing seed‑phrase reordering. Builds changes: encrypted seed download/upload to confirm backups, last‑four address verification with forced entry to prevent mis-sends, and just‑in‑time video with descriptive text for gas and seed concepts. Iterations raise usability (SUS ≈ 8.1) and cut average completion time from 47.9 to 37.8 minutes; a gas‑slider idea does not improve comprehension.
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chapters (14)
- 0:00Accessible crypto wallet research
- 1:32Research questions and methodology
- 2:16User experiments with blind participants
- 4:01Accessibility barriers in wallets
- 5:49Challenges with recovery phrases
- 6:10Redesign solutions for accessibility
- 6:53Streamlining recovery phrase workflow
- 7:40Demo of recovery phrase redesign
- 8:22Embedding education for blind users
- 9:26Intuitive transaction education
- 10:07Security improvements for verification
- 10:49Results and usability improvements
- 11:33Design implications and future research
- 12:58Q&A
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