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Questions tagged [tangle]

For questions about the tangle, the directed acyclic graph which has the same function in IOTA as the blockchain has in other cryptocurrencies.

26 questions with no upvoted or accepted answers
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14 votes
0 answers
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How to determine how quickly the network detects double-spends?

In the question "How does the system sustain regular low-effort "splitting attacks"?" a scenario about the ability to disrupt the network by spamming double-spends and having the network ...
Helmar's user avatar
  • 1,293
10 votes
0 answers
401 views

Why does the tangle exhibit clumping?

In the Iota whitepaper the tangle is depicted as a uni-directional graph with a uniformly random set of connections between graph nodes. In the current implementation the true topology of the tangle ...
Spamalot's user avatar
  • 470
5 votes
0 answers
128 views

Why are Oyster Pearl's transactions clumping like this, and not getting confirmed? Is this an issue with the tip selection algo?

It appears that Oyster Pearl, a data transmission service built on the tangle, has launched their testnet and is submitting transactions to IOTA tangle live and tagging them (see above image). As we ...
aboose's user avatar
  • 3,135
5 votes
0 answers
245 views

MAM message encryption

According to the documentation message encryption is done in following way Each message is encrypted with a one-time pad that consists of the channel ID and the index of the key used to sign the ...
Infinity's user avatar
  • 263
5 votes
0 answers
66 views

Parse UDP packet into a bundle

I am exploring the https://github.com/iotaledger/iota.lib.go for the purpose of running sort of "analysis" with my current remote node. I couldn't find any code that can parse/validate the transaction ...
jdevelop's user avatar
  • 151
4 votes
0 answers
70 views

What code was used and are there any examples of code available to develop the MAM on the XDK and RuuviTag for the Tangle?

There have been reports of MAM being implemented and sent to the Tangle using the Bosch XDK and the RuuviTag. What code was used and are there any examples of code available to develop the MAM on the ...
Donny Letson's user avatar
3 votes
0 answers
138 views

Is IOTA byzantine fault tolerant?

Is there mathematical proof that IOTA is byzantine fault-tolerant?
michael's user avatar
  • 31
3 votes
0 answers
132 views

How can IOTA detect local tangle corruption?

When our local tangle changes, how can IOTA detect that? I researched online but can't found a clear answer. Can anyone explain the detailed mechanism for local data corruption detection and recovery? ...
Jennifer Q's user avatar
3 votes
1 answer
130 views

Snapshot pending transactions address strike through line

Hi I have got bit of issue as I have got balance in my seed now as we all know the snapshot happening on 28 jan 2018 was reading article where is says any pending transactions will be wiped out or ...
Rishab 's user avatar
  • 127
2 votes
0 answers
50 views

How to get the bundle hash or tail transaction hash by using the prepare_transfer() and send_trytes methods?

I am sending data to my hornet private tangle in Python. I wanted to do separate api calls to prepare the transaction and publish the transaction. So, I used api.prepare_transfer() and api.send_trytes(...
Pranav's user avatar
  • 35
2 votes
0 answers
97 views

How to compute the % of network computing power the attacker hold?

It is known generally that Tangle is susceptible to 34% attack(of total computing power) that gives a 100% successful attack. The example given on page 19 of white paper says that an upper limit to ...
Casey Yeow's user avatar
2 votes
0 answers
73 views

how to relate computing power of attacker to transaction rate of attacker?

Assume that the merchant accepts the legitimate transaction when its cumulative weight becomes at least w_0, which happens t_0 time units after the original legitimate transaction. let μ stand for the ...
Casey Yeow's user avatar
1 vote
0 answers
11 views

What is the difference between Reality-based UTXO ledger and Voting DAG

I was reading the paper Tangle 2.0, which explains the recent research advancement in the protocol. I understand the fact that UTXO ledger can have conflicts and these conflicts are resolved by ...
Syed Muhammad Danish's user avatar
1 vote
1 answer
10 views

Private Tangle spawns unissued messages

I set up my own private tangle and it works well. Then I shut down the spammer in order to control the messages issued, anyway, there are messages with indexation payload emitted periodically and I ...
Matteo D'Onofrio's user avatar
1 vote
0 answers
29 views

What determines the time a message is included in the IOTA Tangle?

I have a Hornet node connected to the IOTA network. In turn, from my own node I'm sending different messages over the Streams protocol. The propagation times I get give me no clue about why some ...
user5291's user avatar
  • 164
1 vote
0 answers
11 views

Access the Explorer from my application

In my application, I need to do some regular checks into the Tangle Explorer. I wonder if it's possible to access the Tangle Explorer directly from my application code, in order to automate the checks ...
Matteo D'Onofrio's user avatar
1 vote
0 answers
57 views

Merkle tree cannot be calculated in hornet

I am trying to calculate merkle tree using the below command:sudo -u hornet COO_SEED="$YOURSEED" hornet -d $HORNETPATH tool merkle. I am getting an error like:sudo: unknown user hornet and ...
KISHPDLK's user avatar
1 vote
0 answers
34 views

what is the Mathematical principle of the tangle

how do i get the probability of the douple-spending?
user3629's user avatar
1 vote
0 answers
134 views

How can I get back my balance showing in my IOTA wallet?

I use IOTA Wallet Version 2.5.7 (2.5.7). I know I had 101.89800000 IOT in my wallet (my cointracking.info account confirms). I was able to log into my account, but my balance is showing 0. I tried ...
John Doe's user avatar
  • 111
1 vote
0 answers
145 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/...
BobC's user avatar
  • 131
1 vote
0 answers
23 views

Signature Aggregation

Could BLS signatures (https://en.m.wikipedia.org/wiki/Boneh–Lynn–Shacham) be used to aggregate transactions and compress data to keep the Tangle at a manageable size?
Jack's user avatar
  • 171
1 vote
1 answer
168 views

Transfer from Multisig into normal address

I am following the example described here: https://github.com/iotaledger/iota.lib.java/blob/master/jota/src/test/java/jota/IotaMultisigTest.java I put funds into a multisig. Now I want to move that ...
Klaus's user avatar
  • 183
1 vote
1 answer
67 views

What is the state tracking approach in IOTA IRI?

It is important to keep track of the state, e.g., in order to perform verification of transactions. While it is possible to reconstruct the most updated state by starting from the initial state and ...
MHT's user avatar
  • 31
0 votes
0 answers
28 views

Accessing JSON message from IRI node API using Python 3

I am using one command tangle. The tangle is running on Ubuntu machine. From the list of APIs given for IRI node, I'm trying to broadcast a transaction. For this, the first step is to get ...
degr8sid's user avatar
0 votes
0 answers
57 views

Connection to private node (one command tangle) refused

I have created a one command tangle from this link: https://docs.iota.org/docs/utils/0.1/community/one-command-tangle/overview And using API given here: https://docs.iota.org/docs/node-software/0.1/...
degr8sid's user avatar
0 votes
0 answers
117 views

IOTA and LoraWAN: Proof of Concept of storing data in the Tangle

I found an article here :(Link to the article) entitled "LoraWAN and IOTA: Proof of Concept of storing data in real time in the Tangle" , written by Harm van den Brink (IOTA foundation member). ...
Questioner's user avatar