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1answer
55 views

How is IOTA´s transaction hash determined?

Ive been looking through documentation and articles but couldnt really find anything about it. I assume its the hash of all concatenated attributes? I am not talking about the bundle hash. And a ...
0
votes
1answer
95 views

toTrytes() does not work

I'm always getting this error without understanding why. TypeError: Cannot read property 'toTrytes' of undefined Code: // Require the use of IOTA library const Iota = require('@iota/core') // ...
1
vote
1answer
15 views

Unable to read transaction from the Tangle

While following the IOTA JavaScript guide, I changed the example node to a main net node - https://nodes.thetangle.org:443 and received the following error message below. How do I get messages from ...
0
votes
1answer
20 views

IOTA MAM channel subscription

we know that if a subscriber wants to subscribe to a MAM channel, he must have the channel ID or root, and the sideKey if the channel mode is restricted. How the publisher can send these access ...
0
votes
1answer
10 views

Append message to MAM channel

I can create a MAM channel and add message to it in a single script using the doc. But when I want to add more message(in another script) to same channel later, I need to have following details saved ...
1
vote
2answers
73 views

how to trace the iota tip from the milestone transaction when there is no reference to the future transactions

As written in multiple forums, IoTA tips are chosen using the random walk method starting at the milestone transaction. The milestone transaction will have the reference to the old transactions. Tip ...
0
votes
1answer
95 views

IOTA “C” version (CClient) and feasibility of signing transactions on ESP32?

An article recently has been published entitled "Running the IOTA "CClient" library on ESP32" (>>>Link to Article<<<). It is not clear to me if by using this C version of IOTA is ...
1
vote
1answer
17 views

Hornet Dashboard not working: the client is not using the websocket protocol

Just recently installed a hornet node. The api works when I use the pyota libaray. But the hornet dashboard is not working. When I load the page is says "not synced" even though through the ...
0
votes
0answers
10 views

IOTA Hub Uncontrollable Rollbacks

When I am running iota, connecting to public node, I am constantly recieving this error: Aug 26 00:39:48 marx hub[31418]: E0826 00:39:48.114866 31429 user_address_monitor.cc:122] On-Tangle sum for ...
0
votes
1answer
52 views

Making An Offline Transaction At The NodeJS Console

I am making an offline wallet web app to use with my open source airgapped encrypted device - the PrivateKeyVault. The web app will be modeled after this one which is seen used in this video. The ...
0
votes
0answers
8 views

Invalid attached trytes provided

When i attach to tangle display error "Invalid attached trytes provided" What is solution ? and five me example about valid trytes
15
votes
3answers
443 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 ...
0
votes
1answer
55 views

Client libraries available for Flutter/Dart?

Probably not typically needed for an IoT device, but a general app that uses the Iota ledger might be on a mobile device, and the Flutter framework seems pretty handy (I like how it can output iOS and ...
1
vote
0answers
15 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 ...
0
votes
0answers
13 views

This operation cannot be executed: The subtangle has not been updated yet

When I try to send the hello message to tangle, it is returning this error message. I have 2 neighbour nodes and POW enabled in the nodes.
0
votes
0answers
10 views

How to send data to my IRI node in my private tangle

I used the e01_helloworld.py example given in the iota python workshop. Instead of nodes.devnet.iota.org:443, I changed it to my IRI nodes' Ip address and port. It is like:api = Iota('https://IP ...
1
vote
2answers
94 views

Receiving JSON messages from ZMQ feed using an IRI fullnode

I am trying to use ZMQ feeds to monitor IRI nodes and addresses, but I am having trouble obtaining the "Message" in text and/or JSON. I am using this code: let zmq = require('zeromq') let sock = zmq....
0
votes
0answers
11 views

how the loads are calculated on nodes in this link https://iota-nodes.net/

I need to show the load of the full nodes. it appeared in the above link. I am wondering if the javascript code is available. thank you in advance.
1
vote
1answer
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 ...
0
votes
0answers
26 views

Migrations Tool Problem Trinity! Help!

who is familiar with the Iota migration tool for Trinity? If I made a mistake during the migration and put my Iota Token in there, who is responsible for it? Probably me? Or? But, but I didn't read ...
0
votes
0answers
36 views

I found that my iota tokens are stolen

After logging into my trinity_wallet after a long time (several monthes), I found a zero balance and lastest transaction which was not mine. After correspondence with a team member, it became clear ...
0
votes
0answers
18 views

latestSolidSubtangleMilestone: '999999999999999999999999999999999999999999999999999999999999999999999999999999999'

I ran IOTA node on localhost and also got connected to a neighbor, but when I call an api of getnode info it results latestSolidSubtangleMilestone with 99999...and even sending any message shows me ...
0
votes
1answer
41 views

Circumventing spending by sending previous transaction using same input

I will give a scenario because my problem might be confusing if explained otherwise. Let's say a customer is checking out at a store using IOTA. Before the customer proceeds to checkout they send a ...
0
votes
1answer
27 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 ...
5
votes
1answer
779 views

Extracting data from the tangle

The ownership distribution of Iota has been written about but how does one get these addresses? I looked at the Iota API and don't see an obvious way. And the tangle seems like some of it is in binary ...
0
votes
0answers
39 views

Trinity Helper (Renderer)

Previously, I have had no problem opening Trinity on my Mac and after providing my password, it opened correctly. I updated after the recent closure and again, all was satisfactory. I have not used ...
0
votes
1answer
82 views

Which algorithms do IOTA use?

Is there a high-level overview of the different algorithms used by IOTA available somewhere? My assumption is that there are different algorithms used for signing bundles, creating addresses, ...
0
votes
0answers
10 views

Cannot access Trinity wallet

I set uo a Trinity wallet on my MacAir about a year ago using a Nano X. This morning I opened it to check my balance and connected the Nano to check all was working. Everything fine. I then noticed ...
0
votes
0answers
14 views

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 ...
0
votes
0answers
29 views

Miotas are caught in the migration tool! Probably wrong seed saved! Help!

I did the migration at the end of February! Everything seemed right. But somehow I got confused over time. And I was already tired. Somehow the migration was successful, but afterwards I had to find ...
0
votes
1answer
33 views

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 ...
0
votes
0answers
12 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 ...
0
votes
0answers
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/...
8
votes
2answers
403 views

IOTA Light Wallet returns Request Error when sending funds

I am running IOTA Light Wallet 2.5.4 and am connected to my own full node that is in-sync with 4 healthy tangle connections. The minimum weight magnitude (MWM) is set to 14. When attempting to send ...
0
votes
0answers
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 ...
0
votes
0answers
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}, ...
14
votes
2answers
338 views

What are timestamps and how are they connected to smart contracts?

What exactly are timestamps? When do we see them in IOTA? And what is the correlation between timestamps and smart contracts?
0
votes
0answers
11 views

Error while transfering IOTA

I have one-command private tangle up and running on VirtualBox instance and I can do some basic things like, generating address, seed, etc, but I don't know how to transfer IOTA token to an address. I ...
3
votes
1answer
26 views

Using Public Nodes in IOTA Tangle for testing purpose

I want to send some string data using MAM over IOTA Tangle. Right now, I am using devnet. I want to know how can we test our transactions using public nodes on Mainnet? What is the process for it? I ...
21
votes
3answers
2k views

What is an IOTA “bundle”?

The IOTASear.ch tangle explorer allows searching for addresses, transactions and bundles. While the meaning of addresses and transactions seem clear to me, I am not aware of the purpose of bundles. ...
1
vote
2answers
42 views

Problem retrieving the content of zero value transactions from the testnet

I am sending two zero value transactions to a specific address on the testnet. The content is shown below: This is the address I am sending it to: ...
2
votes
1answer
44 views

How long do Zero Value Transactions last?

Let s say we have some critical information stored as Zero Value transactions on the Tangle. How long does it last? Which robust approaches do you recommend to keep a copy of those transactions? I ...
3
votes
2answers
69 views

Fetch Encrypted Data ValueError: Request failed validation

I am trying to fetch bundles from the Tangle based on their tail transaction hashes. I am trying to follow step 7 of the Pyota Tutorial I successfully encrypted data and included it in a zero-value ...
11
votes
2answers
2k views

What's the difference between a private key and a seed?

What is the difference between a private key and a seed? When people talk about the "secret key", do they mean the "private key? Are they the same? What are public keys? How are they related to ...
2
votes
2answers
70 views

How is a MAM stream implemented on the Tangle?

What I am wondering is how the Merkle tree for a MAM stream is implemented in the Tangle. Is each set of new data in the stream basically a "leaf", and considered a separate transaction on the Tangle ...
0
votes
1answer
26 views

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 ...
3
votes
2answers
203 views

Invalid Response when attaching to tangle

I'm trying to send IOTAs from Binance to my IOTA wallet 2.5.6. I generated an address and copied it into the withdrawal section of Binance. Then I submitted and confirmed it in Binance. When the ...
1
vote
1answer
24 views

How to define depth in IOTA?

i am trying to follow private tangle implantation and when I use bazel run :build calculator command. I am afraid I don't know how to depth in it .json file? any suggestions (link I am following for ...
3
votes
1answer
30 views

What is the minimum amount of transactions required to approve a new transaction?

The official IOTA FAQ mentions how Bitcoin needs roughly 6 blocks to verify a new transaction. What is the equivalent rough estimate for IOTA in order to verify a single new transaction? How big of a ...
18
votes
2answers
373 views

Consensus - how is a single, non-conflicting graph (tangle) maintained?

In traditional blockchains consensus is maintained by proof of work such that the valid chain containing the most cumulative work is agreed to be the consensus chain. IOTA lacks blocks and ...

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