Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

For Questions related to address reuse in IOTA

2
votes
1answer
28 views

Adress reuse with zero value transactions

If I send multiple zero value transactions from address A, containing several messages to broker a deal, is it safe to (re)use that address later on for a payment (to settle the deal)?
2
votes
1answer
37 views

Is part of the address private key revealed when the user reattaches a failed transaction?

A reattach is defined as follows: Reattach: The process of reattaching a transaction is simply doing the proof of work and tip selection process to reattach the transaction to a different part of ...
2
votes
1answer
65 views

Why is this message coming when I am trying to send

I am trying to send some iotas and this message keeps popping up. What am I doing wrong? How to find out which node to select in order to get transactions confirmed?
4
votes
2answers
184 views

Coordinator Address is Hard-Coded - Secure?

This question might have risen out of not enough knowledge about the role of the Coordinator. But.. Due to its one-time nature, the security of funds in an address decreases rapidly if you sign ...
14
votes
1answer
264 views

How does address reuse prevention affect scalability?

Address reuse is currently being prevented by a list of all addresses which have already sent a transaction (previousEpochsSpentAddresses.txt) and this list is checked by the full node (or remote node)...
7
votes
1answer
156 views

How is address reuse prevented in the current wallet implementation?

When trying to send to a foreign address, I got the following error recently: How does my wallet know, that this address has already been used for sending? It's quite an old address, so I assume I ...
6
votes
0answers
164 views

Why does IOTA use a post-quantum cryptography algorithm that has non-reusable keys?

What is the advantage of using winternitz signatures over other post-quantum cryptography schemes? Particularly, what is the disadvantage of a lattice-based scheme or a supersingular elliptic curve ...
4
votes
1answer
105 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-...
4
votes
2answers
248 views

Exchange Winternitz one-time signatures

Are there any Winternitz alternatives out there which on the one hand make quantum computer attacks hard and on the other hand don't mess with the ability to reuse an address? Or are these properties ...
2
votes
2answers
246 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 ...
2
votes
1answer
163 views

Roadmap: How to avoid address reuse with automatic snapshots?

It is well known that an address that was used to send IOTA (i.e. a transaction was signed with that addresses private key) should not be used a second time because security weakens exponentially with ...
2
votes
1answer
188 views

Are all your iotas moved to the new address when pressing “generate new address” in the light wallet?

When pressing "Generate new address", under "Receive", in the light wallet are all your IOTAs moved to this new address? This is the scenario I am trying to grasp: Let's say you sent IOTAs twice from ...
2
votes
1answer
156 views

How to properly move funds from Wallet A to Wallet B without being exposed to security risks?

Essentially I have a seed that I want to get rid off so I generated a new one. I have two desktop wallets open on different computers (wallets "A" and "B"). Wallet A is using the old seed and Wallet B ...
4
votes
1answer
245 views

Does attaching an address reveal its private key?

So it is stated an outgoing transaction from an address would reveal some of the private key. That's why we don't reuse an address. Technically address attaching is also a zero amount transaction. ...
0
votes
1answer
57 views

Public address for charity etc [duplicate]

not sure if i understand it correctly, but to me it seems as if any address is invalidated after receiving one incoming transaction. If that is the case, is there a way to have a static, non-changing ...
2
votes
1answer
210 views

Mechanism used to Claim at risk addresses

What Mechanism was used to Claim the at risk addresses? (from the September and October events) How Is it possible to move anothers address into an amalgamated foundation address?
6
votes
2answers
307 views

Address re-use and snapshot

If an address was used more than once to spend, as was the case in the September claim, are addresses that were weakened for violating the Winternitz, One Time Signiture architecture of the tangle, ...
8
votes
2answers
91 views

From which address money is being sent if I have money on more than 1 address?

If I have 3 addresses in my seed and each address received 10 IOTAs. I guess my wallet will show 30 IOTAs. Now I send 12 IOTAs to someone. How do I know which address will be empty, which will have 8 ...
2
votes
1answer
48 views

New transaction if the last transaction is still pending

I just tried to send some IOTAs to a complete new adress in my desktop wallet. After the proof of work the Desktopwallet (2.5 4 - IRI 1.4.1.2) wrote a warning because of reusing an adress. Has this ...
3
votes
1answer
65 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 ...
5
votes
1answer
61 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 ...
6
votes
2answers
188 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 [...
12
votes
2answers
204 views

How to provide an IOTA based service, considering the receiving address has to change on every withdrawal?

One of IOTAs main use cases is to provide a way for M2M (machine to machine) micro payments. Therefore services can be called by sending a transaction, including payload + funds, to a specific address....
6
votes
1answer
87 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 ...
12
votes
3answers
308 views

Is it possible to cancel a transaction?

I made a transaction from Android wallet to Exchange A of 10Gi. The transaction is in pending. I tried a few times to reattach, but the transaction is still in pending. I made a second transaction ...
9
votes
8answers
452 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 ...
5
votes
2answers
84 views

Multi seeds or multi addresses for sensors

Just pretend that I am the owner of 100 weather sensors. Do I have to create and handle 100 seeds? I think it would be easier to create 1 seed with 100 addresses and give one to each sensor. Than I ...
13
votes
3answers
840 views

What information is leaked if I reuse an address?

Everyone knows that spending from an address multiple times is bad, because Winternitz OTS. But, what does that mean, exactly? What information is leaked in each signature, and how would an attacker ...
3
votes
2answers
185 views

What happens if I receive IOTAs at an address I've already spent from?

Suppose I spend funds from an address, but then there's a software bug, or user error, or somebody sends IOTAs to that address afterward, and now I have a used address with a non-zero balance! What ...