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3
votes
1answer
71 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
0answers
53 views

Cannot start IOTA HUB

When running iota rpc hub, I am met with the fatal error E0906 15:37:44.322824 11458 beast.cc:65] [json.exception.parse_error.101] parse error at 1: syntax error - invalid literal; last read: '<' ...
5
votes
2answers
201 views

Possibility of installing IOTA on a micro-controller?

Is it possible to install the IOTA library on a micro-controller such as ESP (ESP8266)? Such that it can write in the Tangle by sending a transaction?
5
votes
1answer
75 views

Possibility of sending a IOTA transaction from a “micro-controller”?

Since IOTA is designed specifically for IoT, is there a specific library for micro-controllers such as ESP, such that we can interact (send a transaction) directly from a micro-controller to the IOTA ...
5
votes
1answer
94 views

Removing pending transactions or not after local snapshot?

We know full-node will remove all pending transactions but keeps value address after global snapshot. In the local snapshot, after reading the article: Coming Up: Local Snapshots, we know full-node ...
4
votes
1answer
59 views

Finalizing bundle fails

Finalizing the bundle fails, because the ICurl instance (jota.pow.Kerl) can't absorb due to the supplied trits not having the required length. Exception in thread "main" java.lang.RuntimeException: ...
0
votes
0answers
15 views

Missing from Wallet [duplicate]

I have just logged onto my wallet, which I haven't used for a while. I log on fine with my seed but it shows a 0 balance when I should have 99 in there. No withdrawals are shown. Please can you help.
2
votes
0answers
31 views

Credits for the Pub/private key pair generation design in IOTA

I have understood that IOTA uses a constant Seed and a variable index to generate Winternitz private and keys, to sign transactions. PK^-1 = Hash (Seed + index) So we can have practically endless PK ...
3
votes
1answer
216 views

When I lose 2FA for Trinity do I still have access using my Seed?

I use 2FA and my password to sent transaction via Trinity. When I would lose my smartphone with Google authenticator do I still have the option to get my IOTAs with my Seed? Thank you!
1
vote
0answers
73 views

How to find earliest confirming (referencing) milestone for the confirmed transaction?

This question is about a) iterating milestones starting from the latest and b) most efficient way to find if it references the transaction. Note, that a milestone not necessary refers to previous ...
3
votes
0answers
42 views

How do I do remote POW with iota.js

With the recent iota.js update, how would I do remote POW? If my device is too weak but the server I am connected to has POW enabled. I have transaction objects.
3
votes
1answer
109 views

How does the IOTA Foundation determine if a spend is a typo or a real spend?

According to Come-From-Beyond in the emails send to DCI: The Coordinator is used as an extra protection measure. Particularly, it stores all transactions that reach it, this allows us to recover ...
2
votes
2answers
102 views

Why is the Coordinator necessary if its confirmations will be rejected by other nodes if it acts maliciously?

It has been said many times that the Coordinator is not necessary because its confirmations will be rejected by other nodes if it acts maliciously. It follows that if other nodes can tell if the ...
2
votes
1answer
51 views

How do I decode the value (eg. 10i) in the signatureMessageFragment?

{'findTransactionsObjects': {'trytes': [TryteString(b'...
1
vote
1answer
64 views

IOTA not a blockchain but uses directed acylic graph (DAG) which is what ethereum ethhash is based on (dagger)

IOTA claims that it is not a blockchain. IOTA uses directed acylic graph (DAG) which is what ethereum ethhash is based on in its early variant (Dagger, an algorithm by Vitalik Buterin which uses ...
2
votes
1answer
58 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 ...
0
votes
1answer
73 views

What is the confirmation distribution type that is shown here on traviota.iotalt.com?

Looking at traviota.iotalt.com, the 7 day, 7000+ sample confirmation time frequency in minutes is charted as follows: It is characterized by an onset min value of 29 seconds, an attack peak at 4 ...
1
vote
2answers
59 views

Is the fastest confirmation time limited by the frequency of the Coordinator issued Milestones?

Looking at traviota.iotalt.com, the fastest confirmation time encountered in the last 7 days was 29 seconds. This looks likes the approximate same duration between Coordinator issued Milestones. ...
4
votes
2answers
143 views

Economic Clustering and need for (Dezentralized) Coordinators?

In CfB's recent blog post on Economic Clustering and IOTA, he looks at a possible future of IOTA and envisions two different types of IOTA clusters: Cluster 0: A a set of Full Nodes that are ...
1
vote
2answers
244 views

We are several years into IOTA - why can't the Coordinator source code be made public?

Many promises that the Coordinator code would be open sourced. It was stated that when the IOTA Foundation was formed, that the COO would become open sourced. This was also confirmed by David on ...
-1
votes
1answer
32 views

What is the absolute minimum cumulative weight that a transaction must have to be considered confirmed by a vendor?

I assume that referencing a Milestone is not sufficient for a vendor (exchange). That is, they must be making sure that both a Milestone is referenced AND that some time or cumulative weight threshold ...
0
votes
1answer
46 views

Large Weight Attack - does the Coordinator protect against this?

In a large weight attack, a double spend is created and tangle of transactions is build upon it ensuring that when the double spend is finally broadcast, the cumulative weight of it's tips outweighs ...
2
votes
1answer
111 views

Purging lazy neighbors - When does this happen and how?

Node transaction propagation is a critical part of consensus and this feature can be seen as crucial so that the network operates as specified in the whitepaper. In the Tangle whitepaper v1.4.3, a ...
0
votes
1answer
27 views

Is there any way to tell if a transaction was produced by a multi-signature process?

IOTA has multisig as a way for the transaction to be signed by more than device before being sent. Is there any way to tell if a transaction was produced by a multi-signature process?
1
vote
0answers
38 views

Permanent storage of transaction Tag and signatureMessageFragment? [duplicate]

I am not able to find a clear answer. I would like to ask whether the Transaction Tag and signatureMessageFragment for Non-0 transactions are purged during each snapshot, or not? If either of them is ...
1
vote
1answer
210 views

Immutability in IOTA: How to be sure a transaction is not “removable” from Tangle?

In Bitcoin and Ethereum, the longest chain with the most proof-of-work (POW) invested in it is accepted as the true chain and used to determine balances and history on the network. Because of this, ...
3
votes
1answer
115 views

What would happen, if two different transactions with the same hash get published simultaneously?

This is related/a follow up question to "If someone were to find a Proof of Work collision, could they pin the tail of the tangle to the head?" Imagine two transactions that hash to the same value ...
2
votes
1answer
138 views

How will Trinity or any other IOTA wallet keep up with hundreds of local snapshots per day?

So lets assume that in few years, each node is gonna make 50 or 100 snapshots each day. Trinity is gonna keep local data on each account like addresses, balance, etc.. while at the same time ...
5
votes
1answer
129 views

What is the blowball problem and what causes it?

According to IOTA Engineering: IRI 1.5.3 addresses the blowball problem seen on Mainnet. What exactly is the blowball problem and what causes it?
2
votes
1answer
81 views

Why is the requested hash size 46 bytes when the transaction hash size is 243 bytes?

In the IRI, the byte size of a request hash is defined as having 46 bytes: // Configuration.java public static final String REQ_HASH_SIZE = "46"; However, in Hash.java the hash size of a regular ...
3
votes
1answer
94 views

Pertaining to the required sequence, how can the requested transaction hash be the same as the received transaction hash?

In the IRI Node class, this code segment checks to see if the requested transaction hash is the same as the received transaction hash: https://github.com/iotaledger/iri/blob/dev/src/main/java/com/...
-3
votes
1answer
40 views

what does “AMA” mean in IOTA? [closed]

Can someone explain what does "AMA" mean in IOTA? And it is abbreviated of what words? Is it related to sending message in IOTA ? or something else ?
3
votes
1answer
95 views

What has been the growth rate of tangle confirmation rate until today?

I am curious to understand how the tangle has improved in terms of confirmation rate since its inception. Are there any statistics which show this? A positive growth is definitely a good sign. And if ...
4
votes
1answer
190 views

Side-tangle and its solution

I still do not understand the whole side-tangle problem after reading the article by Dom. So this side-tangle starts by referencing some milestone and then grows further by adding txs which are only ...
1
vote
0answers
104 views

JOTA - Use of Servers

I'm using the JOTA : Library 0.9.11-SNAPSHOT API. I am using Eclipse JUnit testing for the example found at https://github.com/iotaledger/iota.lib.java/blob/master/jota/src/test/java/jota/...
1
vote
1answer
129 views

If someone were to find a Proof of Work collision, could they pin the tail of the tangle to the head?

If someone were to find a Transaction Proof of Work collision, would it be possible to pin the tail of the tangle to the head and create an infinite loop? IE. Create a self-referential tangle segment ...
1
vote
1answer
64 views

JOTA - How to verify PoW is being done?

I'm using the JOTA : Library 0.9.11-SNAPSHOT API. I have the example found at https://github.com/iotaledger/iota.lib.java/blob/master/jota/src/test/java/jota/SendMessageTest.java working from an ...
3
votes
1answer
134 views

What IRI API commands should only be executed on a node that is synced to the latest milestone?

I want to load balance commands to my nodes. But not all nodes are equally fast. Some commands do not need a node that is completely up to date to finish successfully, like attachToTangle. Therefore I ...
0
votes
0answers
45 views

If the coordinator were to be identified or located, what attacks could be carried out against it?

The coordinator is currently vital to the operation of the Iota network. There are both security (leaking the seed used to generate milestones) and availability (it must be able to issue milestones) ...
3
votes
1answer
177 views

With IRI version 1.5.2, how does the prevention of lazy tip selection change the tangle's partition tolerance?

One of the features of IOTA is that sub-tangles can be constructed and then attached to to the main tangle in the future. With IRI version 1.5.2, how does the prevention of lazy tip selection change ...
2
votes
0answers
98 views

Can the coordinator be found or identified?

The coordinator is currently vital to the operation of the Iota network. There are both security (leaking the seed used to generate milestones) and availability (it must be able to issue milestones) ...
1
vote
1answer
97 views

What could an adversary do with the seed of the coordinator?

The coordinator issues milestones that the Iota network use as a root of trust when validating transactions. These milestones are signed, which in turn means that keys exist for signing the milestones....
3
votes
1answer
86 views

In IRI version 1.5.2, is the prevention of lazy tip selection a further entrenchment of the Coordinator?

For background, please read: https://blog.iota.org/coming-soon-iri-1-5-2-52114ca67a70 Under the hood, while doing validation, IRI will now remember the most recent milestone referenced by each ...
4
votes
1answer
58 views

Why is anyone with API access allowed to cancel the 'attachToTangle' operation of another user?

In the IRI, there is no filter that prevents anyone from cancelling another users 'attachToTangle' operation when the POW is in progress. See API.java, case "interruptAttachingToTangle" Why is that?
3
votes
2answers
279 views

What happens to the Iota network if the coordinator vanishes?

Some people argue that Iota is centralised because of the use of a coordinator to issue milestones which, in turn, are used as a root of trust to verify transactions. What would happen to the network ...
1
vote
0answers
35 views

Wallet 2.5.7- latest snapshot - unknown new addresses between old addresses

Yesterday I tried restore my balances in wallet 2.5.7 after the latest snapshot. I have two seeds. Final balances from both seeds were finally displayed correctly (although once wallet show request ...
2
votes
2answers
36 views

Are inbound/outbound Iota connections encrypted?

If I am running a full node, what can an adversary determine from sniffing the traffic to and from my node, or is it all encrypted?
4
votes
1answer
297 views

How to get IOTA testnet tokens and who distributes them in the first place?

I did try https://faucet.testnet.iota.org — its not working currently Also will all old testnet tokens be compatible with the new devnet's? Is the testnet still the same since the beginning of IOTA?...
0
votes
1answer
144 views

Is Java MAM Coming? [closed]

I'm developing a Java REST web services app that works with the Tangle. Currency won't be involved, just data messages, as from sensors. I think MAM is the technology for me, but I am not seeing any ...
1
vote
0answers
53 views

How to set an IOTA node for the Data Markeplace? [closed]

I'd like to set up an IOTA node and put the data on the Data Marketplace but it'seems that the API are not published yet. Does anyone know when will be available?

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