Linked Questions

-1
votes
1answer
54 views

Why is it insecure to use an address more than once and will/can this be mitigated in future wallets or updates? [duplicate]

Can somebody explain to me why using addresses more than once is insecure and whether this will always be an issue or can it be mitigated in wallet or software updates? Thanks.
21
votes
3answers
2k views

What is an IOTA “bundle”?

The IOTASear.ch tangle explorer allows searching for addresses, transactions and bundles. While the meaning of addresses and transactions seem clear to me, I am not aware of the purpose of bundles. ...
10
votes
8answers
520 views

A receive address is made public for donations, how do I safely withdraw funds?

I have a receive address that I have given out to other people, both for payments and donations; After transferring the funds to a new address, someone has donated to the previous address. How can I ...
9
votes
1answer
286 views

Why are the 50% I reveal when signing random?

Assumptions You reveal exactly 50% of your private key with the signature of a transaction. What part you reveal is random. (What information is leaked if I reuse an address?) Is this correct? The ...
7
votes
1answer
529 views

Can someone explain very simplified how the Winternitz OTS/Lamport OTS works?

I read the Wiki example, but I am still confused to be honest. Could someone provide a really simple example?
7
votes
2answers
203 views

What is the difference between “double-spending” and “address-reuse”?

As far as I understood: double-spending: is when you do a second outgoing transaction while another one is still in pending. (this is possible only with Android wallet, because the light wallet [...
4
votes
2answers
531 views

How to get iota out of an address that has already been used twice?

Is it possible to get IOTAs safely out of an address from which two or more transactions were made already? With safely I mean that there is no chance to get hacked if the third or later transaction ...
4
votes
1answer
80 views

Does reattaching a transaction compromise my private key for the source address?

The answers to this question state that reusing the same address for spending several times seriously compromises my private key so that should never be done. However, isn't this exactly what is ...
7
votes
1answer
90 views

Why are there no safeguards in place to prevent sending a transaction to a used-up address?

I have offered up one of my addresses to be used for donation purposes; I withdrew funds to a different address, and a now a third party has deposited funds to an address that has already been emptied ...
6
votes
1answer
68 views

Can I be forced to reuse an address by confirming a transaction that is part of a double-spend attempt?

Imagine somebody injects two transactions d1 and d2 into the network that together represent a double-spend attempt. Having only incomplete information of all latest transactions in the network, I see ...
5
votes
1answer
119 views

On average, what % of my private key is compromised on the first address re-use, and what exponential effect does it have on security?

Each time we use an address, 50% of your private key is revealed at random. When 50% of the private key is revealed, a computer would have to do 2^256 computations to crack it, similar to the SHA-...
5
votes
2answers
116 views

Is an IOTA address empty after sending part of the funds?

Everyone is looking at the address where 351 TIOTA are waiting to be payed out after the reclaim process. Do I understand it correct: After the first person gets their money this address should be ...