Linked Questions

17
votes
4answers
5k views

How do Ethereum clients generate unique addresses?

How do Ethereum clients, like Ethereum Wallet or Eth-Lightwallet, generate unique addresses that haven't been used before, and what is the likelihood that these addresses have been used?
23
votes
2answers
6k views

Is each Ethereum address shared by (theoretically) 2 ** 96 private keys?

Summary This is an extended question to How are ethereum addresses generated?. In Ethereum, a private key is 256-bit long, but an address is only 160-bit long. By "Pigeonhole Principle", it ...
5
votes
1answer
948 views

Is it possible to regenerate the private key file?

I have created an account in testnet which I know the address and the password of, but I did not backup the private key file. Can I somehow create the key file again using the password? Or is my ...
4
votes
1answer
839 views

What are the odds of getting same address or private-key or 12/24 set of mnemonic to 2 different people

Questions!! What are the chances that 2 people get the same set of those 12 or 24-word mnemonic?? In web3.js, there is a function ' web3.eth.accounts.wallet '... It spits out a set of accounts and ...
1
vote
1answer
899 views

How does a node generate an address?

I am playing around with geth to understand the principles of the ethereum network. One thing I keep asking myself is how does a public address get created? For example, you can run an offline ...
2
votes
2answers
502 views

What will happen if 2 cold storage (Ether) generates a same private key

I am new to crypto world trying to understand the Ether wallet generation process with the private key. Let us say 2 person A and B are buying a cold storage device "Ledger Nano S" and setting it up ...
1
vote
2answers
398 views

Running 'parity account new' - is the generated account suitable for all networks (mainnet, ropsten, kovan, etc)?

From a command line, I run parity account new. I am then asked to enter a password (twice), and an account-address is printed. In addition to that, a JSON file is created. Finally, I use this ...
0
votes
1answer
139 views

Unique Private key will never have a duplicate?

Couldn't you write a script that generates eth accounts continuously and polls to see the balance of each account(hoping that it lands on one with a balance already). What are the logistics on this?
0
votes
0answers
85 views

Is it possible to get direct access to a contract?

All contracts have addresses. Is it, in theory, possible to find the private key of this address and then get access to this contract? Questions if this is possible: If one gets access to the ...
1
vote
1answer
60 views

Is an Ethereum address with no outgoing transactions initialized if someone sends funds into it?

If there exists an address that nobody (yet) owns the private key to, and somebody sends funds into it, does that private key get initialized to nobody, and no one will ever be able to access it? I ...
1
vote
1answer
68 views

How do I retrieve funds sent to wrong address that doesn’t exist [duplicate]

I sent some funds to my MEW wallet but I fat fingered the address and sent it to a different address that does not seem to exist. How do I claim that address to retrieve funds I see sitting in the ...