Linked Questions

0 votes
1 answer
51 views

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 ...
0 votes
1 answer
240 views

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?
0 votes
1 answer
52 views

How i can create new wallet [duplicate]

I want to create new own wallet without using ready wallet. But there are random generator that create random number and then private key builds from it. How I can realize that there is no two equal ...
10 votes
2 answers
5k views

How many Bitcoin addresses are there?

I was wondering where I could see how many unique addresses currently exist in the blockchain, and especially how many of those have a positive balance. Is that data available somewhere?
2 votes
2 answers
2k views

Wallet passphrase uniqueness (noob question)

The Mycelium Wallet has created a Bitcoin wallet for me, then I've written down a 12-word passphrase for the wallet backup. However it looks like a set of words (in the Mycelium) to generate these ...
140 votes
11 answers
81k views

Is it possible to brute force bitcoin address creation in order to steal money?

Bitcoin users frequently generate new addresses for each transaction they make, which greatly increases the number of bitcoin addresses being used to receive money. Would it be possible (and ...
58 votes
8 answers
41k views

What effects would a scalable Quantum Computer have on Bitcoin?

A scalable quantum computer is a quantum computer that is easy to extend - adding more (q)bits of memory is not a fundamentally hard problem, and will happen. Or, alternatively, that it follows Moore'...
10 votes
4 answers
3k views

What can be done if Bitcoin is used for money laundering?

If a criminal uses Bitcoin to launder his funds, can the bitcoin network stop him from using Bitcoin? Can we close his account?
0 votes
2 answers
688 views

Are pseudo-random number generation algorithms good enough to cover all possible Bitcoin addresses?

Part of why Bitcoin works is that it's completely unlikely for someone to end up with the same Bitcoin address. But since Bitcoin address generation is based on pseudo-random generation it raises the ...
3 votes
2 answers
594 views

Do imperfections in dice make them unsuitable to make really good bitcoin private keys?

Dice do have imperfections (depending on how expensive ones you get), but would they not still have enough entropy such that a private key generated by them could be considered really safe? I am ...