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.

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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/...
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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?
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111 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 ...
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Is it secure to enter your seed in a browser form to publish data to IOTA Tangle?

I am trying to publish my data on IOTA Tangle using MAM. For this, I have designed a web form where I have to enter my seed and press the publish button. The actual data is fetched from firebase ...
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I can't work out how to get TangleID to work

So im trying to get tangleID to work to use it on a project. I am using this project. https://github.com/TangleID/TangleID But everytime I try and run the code i get an error message of "Mam.init is ...
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55 views

How do I know MAM data has been published?

I am running a code to publish random data on Tangle via MAM. If I don't fetch the data at the same time, and I just want to confirm if it has been published on Tangle, how do I do that? Also, is it ...
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199 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 ...
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94 views

Interacting with IOTA from mobile application?

Is it possible to interact with IOTA Tangle (for example, send a message) using an application installed in a mobile phone? If so, is it possible to install IOTA library in a mobile phone? And if yes, ...
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26 views

Tangle : Algorithm to determine if a transaction is valid or not

A node needs to verify that all transaction that it receives are valid before adding it to its local copy of tangle. For this we would need an algorithm which given the cone of this transaction would ...
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1answer
17 views

Edit MAM stream already implemented on Tangle

For my project, I have created a web interface on which I'm viewing a published MAM stream. I want to know that is it possible to edit or add new record to MAM stream that has already been published ...
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35 views

Error in neighbors list on IoTA full node iri-playbook

I have install iri-playbook but when I want to show my neighbors list using this command nbctl -l it shows this error: ERROR: Error response from node: code 500, response: '{"exception":"port out of ...
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28 views

How do transactions reference each other in the Tangle?

How do transactions reference other transactions in the Tangle, is it through the Merkle root, or signature message fragment? And how can you make a transaction reference another chosen transaction. ...
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Tangle Statistics

I am a computer science master student at York University, Toronto, Canada. My thesis is about Exploring the scalability, throughput and security characteristics of the Tangle through simulation ...
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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 ...
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22 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/...
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15 views

Can I check if the transaction has been confirmed and monitor its time using IOTA JavaScript Library?

I am using this code to send transaction to IOTA Tangle (Mainnet). I am sending 10 transactions using a loop. I am also monitoring the time that is taken to prepare transfer and send trytes. Here is ...
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12 views

How do you check your message's length in IOTA transaction using IOTA JavaScript library?

I am sending a zero-value transaction (using IOTA JavaScript library) with message: The IOTA distributed ledger operates on ternary messages. These types of messages are represented by trits {-1,0,1}, ...
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15 views

Can MAM transaction be appended?

There is an already existing MAM transaction that has been published on Tangle by a seed. Now, I want to add further data in the same transaction. Example, temperature sensor has published data ...
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1answer
44 views

Is it possible to secure the data of an IOT idevice in an ICS by using MAM?

The idea is to add IOT devices to an ICS (industrial control system), send and retrieve the data of these devices through the tangle. The data will be sent through the IOT device using MAM and be ...
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99 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). ...
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is tangle (IoTA) Depth-first search or Breadth-first search?

There is several of algorithms for topology sorting for DAG. What is algorithm used by tangle for search, is it Depth-first search or Breadth-first search or is there another method?
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The “road-map” for when the IOTA Tangle reaches sufficient size? [duplicate]

Apparently we are still in "testnet" including a "coordinator" responsible for the validation of all transactions until the tangle reaches sufficient size. If so, what is the "road-map" on this point?

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