Questions tagged [key-collision]
The theoretical possibility of two people generating the same public/private key pair or bitcoin address.
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How can a collision attack reveal the private key?
From "Mastering Bitcoin: Programming the Open Blockchain 3d edition, Ch4" :
All addresses based on hash functions are theoretically vulnerable to an attacker independently finding the same ...
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What happens if a new hardware wallet generates an existing seed? [duplicate]
I get that 24^2048 (heck, even 12^2048) are utterly massive numbers and the chance that this happens is practically 0... but I am still curious: What would happen if a hardware wallet (or any seed ...
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What is the probability of accidentally getting a seed phrase that is associated with a real address with a balance in the bitcoin blockchain?
Good afternoon! Such a question is interesting, and with what probability can you accidentally get a seed phrase that is associated with a real address with a balance in the bitcoin blockchain?
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Can two people generate the same exact wallet or seed phrase [duplicate]
Can 2 or more people generate the same exact wallet. And if so, what happens then?
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How to protect my private key from an unexpected new owner of the address that already belongs to me?
I understand that the situation I am describing is unlikely (because we have 1.46 Quindecillion possible Bitcoin addresses), but let's imagine that someone generated the same address as mine.
Is there ...
user125245
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Any study on the relative expected return of bitcoin mining and running the LBC client?
Both bitcoin mining and running the Large Bitcoin Collider client require computing hardware and electricity. A difference is the LBC runs on CPU based hardware, mining profitably requires specialist ...
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How does the Bitcoin protocol deal with address collisions in wallets?
I understand that one can create a Bitcoin wallet as a pair of numbers (public & private key) with the right specifications and this is done quite easily in places like bitaddress.org
I also ...
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Is it safest to double check my new bitcoin address never showed up in the Ledger (the blockchain) before?
I just noticed in my Coinbase Pro, I can click deposit, BTC, and get a brand new address every time. It probably is due to "address is very cheap". It can be just a new pair of private key ...
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Will a recursive sha256 run over all 2^256 inputs before a collision?
Will a recursive sha256 run over all 2^256 inputs before a collision?
Here'a a python program showing my question - will this loop for 2^256 times - given endless memory or will it terminate before - ...
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Will the Bitcoin network discredit a transaction if you do a simple transfer on a multi-sig after you found the collision on that address?
Let's say you found a collision for an address on the Bitcoin network. You have its private key.
Will you be able to transfer any money around or will the network prevent it or does it get verified?
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Can Large Bitcoin Collider break into the wallet which is created by new version of Electrum?
I have heard that Large Bitcoin Collider can only break into wallets that are created by broken software.
My other question is that it seems the last private key that they found was on 2017-11-15 01:...
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How to find one private key from the list of 15 million public keys for the sake of experimentation?
Recently found a list of compressed public keys. The total number of 15 000 000 public keys.
Practical for all compressed public keys Balance: 0.000100 BTC
I do not set malicious goals. All just for ...
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Is a bitcoin address collision possible if generating 90 million addresses every 4 hours?
I am running a test to see if I can obtain a successful bitcoin address collision after generating billions of addresses. I am not entirely sure how I would check them yet. Basically I have an extra ...
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Hypothetical Scenario - Address collision with address with already confirmed outgoing transaction
In a typical case of finding a collision with an address, as long as the private key provided has a consistent public key that hashes to the address, then the coins in that address can be spent. The ...
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Does the Bech32 address format decrease Bitcoin's possible address count?
I have wondered how many Bitcoin addresses are possible. When looking around, I stumbled upon this thread on BitcoinTalk:
There are exactly 2^160 possible addresses as long as we keep using
RIPE-...
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