Could you run an algorithm for long enough so that you could
guess a random bitcoin wallet address? could you then theoretically use it to
steal someone's bitcoin? Also, how long would such an algorithm take to
randomly generate one? thanks!
If the address is sufficiently random, it is safe from being
guessed. The address space is 2256, equivalent to say, the
number of atoms in the known universe. The problem arises if the address is not
sufficiently random. That's why I like to roll dice to generate private keys.
how would one go about generating their own private key?
The key is 64 hex characters. I have some 16 sided dice, just
roll 64 numbers. You can use 6 sided dice and roll 100 times, and convert base
6 to base 16. Google will help you.
Your wallet should be able to import keys you generate.
However, the moment you expose your private key to the internet you are at
risk. You want to generate the private keys with pencil and paper. Then
generate the public key with an offline computer. Then you can safely send btc
to that public address (online). Ideally you never expose the private key to
the internet until you are ready to spend.
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