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I have a small doubt, but it's funny. I have important messages and contacts that are needed to be secured. By having an SHA 256. I can have a signature of my data and that cannot be updated and nor be deleted. But its need to be secure. How can I? Is there any idea you can suggest to me if you can?
I have a small doubt, but it's funny. I have important messages and contacts that are needed to be secured. By having an SHA 256. I can have a signature of my data and that cannot be updated and nor be deleted. But its need to be secure. How can I? Is there any idea you can suggest to me if you can?
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