Has this ever happened before?
Follow-up questions:
If there becomes 100 trillion wallets in use, do you think finding a wallet with a balance will become common? Is the current private key secure enough to last 10,000+ years?
Is there a way to scale up the security of the generated private keys somehow if needed someday?
I don't have my English to Nerd translator handy, butt is your query about the probability of bitcoin address collisions?
https://bitcointalk.org/index.php?topic=104461.0 "What are the chances of an address collision? and what happens when it does?"
Did this actually happen to you? All your coins stored in one address? Or was the wallets password compromised?
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