maybe there will be obstacles if it is done by a blind person because they need help by a normal person where it can be ascertained that the confidentiality that should only be for him personally but eventually is known by the helpers. will the person not cheat later? although it may be the family itself because when it is called money it is difficult to understand and explain there is always a conflict of interest.

For me the idea is good, but it would be definitely difficult. Maybe they just need someone really close to them to guide them, a trusted person those who will not take advantage of them. As long as the person is willing to learn and can accept the risk of anything could happen, he can do it. And because of our new technology today that's why it will not be impossible to happen that kind of adoption.

I do support that idea and think it's insane but it does require a lot of changes to make it fit the most

That was certainly a great idea and that was pretty impressive to think if that would be possible to make happen to find ways on how blind people could be able to make use of crypto currency like Bitcoin on their daily life basis. The idea was really kind of advance and futuristic to take concern on how every individual can do access the usage and adaptability of using crypto currency which includes the blind people having disability which adds more complexity for we ordinary people are having mistakes on doing transactions for one mistake in address could lead to sending to another wallet so how about them lacking of capacity to see what they would be doing. I think it is really very challenging in nature and for the developers to create a blind friendly feature that can help blind people to make use of Bitcoin. It is a futuristic thought that might be very difficult to execute and would take a lot of time. Inch by inch anything is being made possible by the modern technology, let us just see if this idea would be possible to make happen in the near future that there would be a feature suitable for blind people to make use of Bitcoin.

Well, the interest to have bitcoin is not limited even to the blind or whatever disability that one has can't stop the interest to have bitcoin.

However,  people with disabilities had different priorities or needs and that will depend on their interest of things that could make them living a  good life. These type of people should be given chances to make things comfortable for them especially if they themselves are doing for their own and not being dependent to anyone.

I have seen person with disability at the same time a bread winner. Shame on those who scam and did not make their own living as like what these disabled person do. People who are scam are worst than disabled person.

Like with most things in live, businesses will first develop software for the biggest target market and then when the market gets saturated, they would start adapting the product to offer special features for the disabled.

The technology is still very new, so it will not cater for all the needs, but as time goes on, people will see where the additional needs are and they will create plugins for these wallets to cater for the blind or visually impaired. 

If you look at the solutions provided for blind people to handle cash notes, like the small money identifier cards.. then you would understand that third party providers would quickly see a gap in the market and then develop something for that market. 

We still have plenty of rooms for improvement and Bitcoin isn't really going to replace Fiat anytime soon.
It is just sad that with all the hype and good things that is going on crypto some people couldn't really get into it because of their disabilities even if they want to.
It is hard to trust your money with others so I understand that they want to keep it on their own so they doesn't have a choice but to ignore crypto even if they want to invest in it.

first and foremost is, how can blind people understand about bitcoin. Blind people have a very sharp sense of touch and hearing, that means to explain the content about bitcoin is by voice and braile.

Anyone can dictate the bitcoin whitepaper and upload it to a sharing website which blind people can listen to. It is easier than we all make copies of the bitcoin whitepaper for a blind person to touch using braille code.

For transactions themselves, it is possible that there must be a tool that combines voice and braille on the device. Can use braille for input, then voice for output information.

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You can check out this article to understand more about the new innovations in bitcoin for the blind people Bitcoin Accessibility From a Blind Person's Perspective

This is an interesting topic I was also wondering how could a blind people be able to access Bitcoin, text-to-speech could be easily be implemented.
But the thing is that the Bitcoin is not fully legal around the world and just started to recognize to be a currency to be accepted as a mode of payment,
we could wait for a few years on what will happen to Bitcoin and hopefully it can be accessible to anyone.

ya.ya.yo!

This makes me wonder how they will be able to fully used Bitcoin safely/privately, control their keys/coins without exposing them to people, etc .
Not all blind people for example will be able to afford hardware wallet but all can certainly afford papers and other cheap materials for writing/storing their keys. If you use audio to read out the keys, hackers could be listening to through the devices unless maybe you have some special devices for this, which could easily be expensive.
I think you could encrypt the keys and print them out in braille form, then use some sort of DIY external decryptor made by themselves or for them to decrypt the keys. Or you could have application that could divide onscreen keys in different parts for the blind to gradually snap with camera and print with printer, then rejoin together physically.