I read the article, how a person of disabilities especially blind person can access Bitcoin.
https://coolblindtech.com/developer-making-the-first-bitcoin-wallet-for-the-blind/. Are there any wallets like electrum, ledger or Bitcoin core can access by blind people?. And I am searched about Bitcoin Bitcoin Whitepaper in Braille project, but still not continue or I am missing something?, let's me know, I want to help my friend.
I have not heard that any of the existing Bitcoin wallets supports voice commands. I am sure this feature can added on Android using Google's voice service but, security can be at risk.
Did not find any documents written in brail for Bitcoin whitepaper. This could be a great project for any one who know brail language.