0
votes
0answers
7 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
1answer
12 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. ...
0
votes
1answer
53 views

Testnet Coordinator - where is the checking to make sure Milestones are attached to a confirmed tip?

In https://github.com/schierlm/private-iota-testnet/blob/master/src/main/java/iotatools/TestnetCoordinator.java Can someone please show where the Milestone issued is properly attached? Milestone ...
3
votes
3answers
95 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 ...
2
votes
0answers
50 views

We are several years into IOTA - why can't the Coordinator code be open sourced?

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
21 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
25 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 ...
0
votes
1answer
28 views

Purging lazy neighbors - When does this happen and how?

In the Tangle whitepaper v0.6, a process is mentioned whereby 'lazy nodes' are purged. What motivates the nodes to propagate transactions? Let us also comment on the following question (cf. [4]): ...
0
votes
1answer
17 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
58 views

What are the details of the The ‘Big Deal’ initiative?

A special fundraiser promotion for IOTA called "The Big deal" ran in 2016. I cannot find much information on this on IOTA forums - the PDFs and other forum content related to it appears to have been ...
0
votes
0answers
25 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
123 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, ...
1
vote
0answers
44 views

How would the network detect if two milestones with the same index were signed by the coordinator?

Given that the power to sign Milestones is with the Coordinator, the ability exists for the Coordinator to censor and/or direct the network through malicious signing. Given that such detection is in ...
0
votes
0answers
55 views

Why is it important for the COO to be migrated to Kerl?

The Coordinator signs Milestones using Curl-P27 and has not been migrated to Kerl. Why is it important to migrate it and what does that solve? See Milestone verification: https://github.com/...
3
votes
1answer
90 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
69 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
2answers
92 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?
1
vote
1answer
62 views

In v1.5.2, are transactions based on the call to `getTransactionsToApprove` included in subsequent calls to `getTransactionsToApprove`?

In the new IRI version 1.5.2, a call to getTransactionsToApprove provides a set of transactions that can be used as the trunk and branch of a new transaction. Given that some of the returned tips ...
2
votes
1answer
48 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
83 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/...
0
votes
0answers
15 views

What is the mean and standard deviation for the reception of Milestone packets?

Suppose that someone has manually tethered with exactly 7 other neighbors with up-to-date systems and a 24/7 online presence. The user wants to determine with accuracy whether the neighbors are ...
0
votes
0answers
18 views

What is the average first generation gossip latency for a packet broadcast within the network?

Suppose that node A is neighbored with node B and that node B is neighbored with node C. First generation gossip latency is defined as the time it takes for a packet to be sent to any neighbor and ...
-3
votes
1answer
30 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
60 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 ...
0
votes
1answer
29 views

How to determine typical node sync lag for a particular node?

A service on the network requires to know how many milliseconds out of sync with the rest of the network they are at any given point in time. Assume that they are free to talk with the api of any ...
1
vote
1answer
80 views

Is it possible for a spammer to use higher MWM weighted transactions to prevent the efficient diffusion of Milestone transactions?

In the IRI software, the Node class controls broadcast, replies, etc., and uses weighted queues to control the priority (order) of those operations. See: https://github.com/iotaledger/iri/blob/dev/...
-1
votes
0answers
74 views

Determining the latest milestone with statistical certainty (to a confidence level and error range)

Someone wants to know what the most recent milestone is with statistical certainty. For this question, it is not important why they need to know it. For whatever reason, they want to determine the ...
4
votes
1answer
114 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 ...
0
votes
0answers
32 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
111 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 ...
0
votes
0answers
38 views

In determining valid transactions, has a logarithmic scaling issue developed with regards to the ability for the network to grow to projected sizes?

In the new WalkValidator, the following criteria are set out for a valid transaction: https://github.com/iotaledger/iri/blob/61471338de5209f646f68bd658e6189925362064/src/main/java/com/iota/iri/...
1
vote
1answer
28 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
71 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
36 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) ...
1
vote
1answer
109 views

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

update: As added context, please also see Paul Handy's (IOTA Developer) github issue: https://github.com/iotaledger/iri/issues/890 False-Positive Subtangle Rejection Large subtangles are ...
1
vote
1answer
66 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
72 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
61 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 ...
0
votes
0answers
45 views

What are reasonable estimates for the hashrate and TPS that an average IoT device would be expected to do?

Given that IoT devices are small and assumed to have limited battery, internet connectivity, size (low electrical current) and heat dissipation: What are reasonable estimates for upper and lower ...
3
votes
1answer
39 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?
2
votes
2answers
208 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
14 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 ...
1
vote
2answers
32 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?
2
votes
1answer
41 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
34 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
38 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?
1
vote
0answers
40 views

is udp or tcp neighbour connection encrypted? [closed]

IS "udp" or "tcp" neighbour connection encrypted? to prevent sniffers to find out which ip have an iota node behind it.
2
votes
0answers
47 views

How is the secrecy of the Iota seed maintained on IoT devices?

Iota is intended to be deployed on IoT devices. A problem with IoT devices is that they are placed in insecure locations, allowing attackers to gain physical access and perform advance/prolonged ...
0
votes
0answers
38 views

How is the Iota software updated on nodes?

Iota is intended to be deployed on IoT devices which have low resources: low CPU power, low storage, low bandwidth, and low energy. How is it intended that the software is updated on nodes, given ...
1
vote
1answer
41 views

How is authenticity of data gathered by Iota guaranteed? [duplicate]

Several of the proposed use cases of Iota seem to hinge around storing data on the tangle so that it is immutable. Immutable data is only of use if it is authentic. Take, for example, a temperature ...

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