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2answers
33 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: ...
0
votes
1answer
17 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 ...
1
vote
2answers
64 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 ...
0
votes
1answer
20 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 ...
0
votes
1answer
24 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
1answer
14 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
20 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 ...
0
votes
0answers
8 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 ...
-1
votes
1answer
25 views

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?
0
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0answers
14 views

Transaction hedging

is it be possible to hedge every iota transaction with oracle? So you can avoid the IOTA price fluctuation and hedge it to USD for instance until there's settlement done.
0
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0answers
19 views

What is the difference between IRI-Playbook and IRI full node (Private tangle)?

I know there is three type of full node: 1- mainnet 2- devnet 3- testnet I wand to build private IoTA network with full control. So, I have found tutorial for private tangle: https://docs.iota.org/...
0
votes
1answer
14 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 ...
0
votes
1answer
29 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 ...
4
votes
1answer
35 views

Error cannot import name 'Seed' from 'iota'

When trying to import Seed from iota i receive following error: Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 22:22:05) [MSC v.1916 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "...
1
vote
0answers
36 views

Compass: Can't build layers_calculator to compute Merkle Tree

I am trying to set up a private tangle and I cannot compute merklee tree. I followed this link: https://docs.iota.org/docs/compass/0.1/how-to-guides/set-up-a-private-tangle#step-2-compute-the-merkle-...
1
vote
0answers
22 views

how many genesis in IoTA tangle?

If I have 10 sensors in IoT architecture and 5 of them start to send data at the same time, it will have 5 genesis in IoTA tangle? or only one genesis will be published? if so how to choose one from ...
1
vote
0answers
36 views

Coordicide Whitepaper Jan 2020, Mana System, Averaged Mana

In coordicide whitepaper in section 3.3 the mana system is introduced. It is stated that an averaged version of mana will be used. While I think I understand the necessity to use the averaged mana I ...
1
vote
1answer
29 views

Install IRI full node on my PC Ubuntu: shows canceled

I want to install IRI full node IoTA on my PC with Ubuntu bionic 18.04 with core i3 and 8GB RAM. I entered the following command to install IRI: sudo bash < <(curl -s https://raw....
2
votes
1answer
42 views

IoT sensor publish data to tangle with IoTA platform using MQTT and MAM

I have pulse sensor connected to NodeMCU. This sensor publishes data to Mosquitto by MQTT protocol. I want to receive data from broker and publish it to tangle using MQTT and MAM. Mosquitto broker is ...
1
vote
1answer
21 views

How is Tangle Quantum Immune? [duplicate]

I was going through the iota tangle documentation and features and found one of the feature mentioned as Quantum Immune , so basically looking for resources to understand the quantum immune property ...
1
vote
2answers
56 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
2answers
25 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. ...
1
vote
1answer
28 views

Why is the async function not working while fetching MAM data?

I am making a simple MAM publish and fetch script. The first script is mam_publish which publishes the data. The other script is mam_receive which fetched the already published data. Now, the ...
0
votes
2answers
43 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 ...
3
votes
1answer
61 views

How to send Health Data to Tangle via MAM?

I am trying to make a project to send Health data from my phone to Tangle via MAM. For this purpose, I have made a sample file that publishes sample health data to Tangle. When I am running the code, ...
1
vote
0answers
37 views

Connecting another node to a private testnet

I´ve set up a private testnet following the one command tangle tutorial. It works properly (curl checked) When I try to connect another node to this private Tangle, I get: Dropping connection to ...
1
vote
2answers
47 views

Sending data as input in IOTA

I am Muhammad, working with my way to use IOTA to fetch data from IDS/IPS. IOTA uses 2 transactions as input if I am not wrong. I want to send data of IDS to IOTA. I am using Grafana and mysql to ...
3
votes
0answers
45 views

Smart Contract for IOTA: Is it finally possible to deploy a contract in IOTA in practice? Or still underway?

I heard before that IOTA decided to add the possibility of developing and deploying the smart contract in IOTA (Like Ethereum) with a specific language called "Abra", and it was promised to be run at ...
0
votes
0answers
12 views

Alternative signature schemes for iota

Which post quantum signature scheme can be replaced with Winternitz signature scheme in iota?
0
votes
1answer
62 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, ...
1
vote
0answers
28 views

what is the Mathematical principle of the tangle

how do i get the probability of the douple-spending?
1
vote
1answer
142 views

Trinity Wallet and Ledger Nano X how to restore the private key without a ledger nano

i have a question about the Trinity-Wallet in combination with Ledger Nano X. If i store my seed on the ledger nano and it gets lost i can restore my seed with a new ledger nano and the 24-word ...
0
votes
0answers
20 views

Can't See Funds at Address After Faucet Transaction

I am using the following code to generate an address: var repository = IotaRepositoryFactory.Create("https://altnodes.devnet.iota.org"); var nodeInfo = repository.GetNodeInfo(); ...
1
vote
1answer
21 views

What's the difference between getNewAddress and generateAddress?

What's the difference between getNewAddress and generateAddress? Don't see the diferences between them.
1
vote
2answers
71 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....
2
votes
0answers
16 views

Is there a step by step guide to setting up the IOTA Hub on AWS?

I am really struggling to figure out how to set up the HUB on AWS. I am rather nooby when it comes to dev so I really would appreciate as much detail as po
1
vote
1answer
9 views

How do I fetch the latest transaction without using Zero MQ stream on a specific address?

When I make a simple request like shown in the iota workshop: https://github.com/iota-community/javascript-iota-workshop - 2.2-fetch-hello.js the newest transaction is not fetched but a random one. ...
0
votes
2answers
35 views

Is “Crypto Core” a micro-controller (or FPGA) which is able to do Proof-of-Work completely?

Is "Crypto Core" a micro-controller (or FPGA) which is able to do Proof-of-Work completely ? As I heard that micro-controllers are not able to perform Proof-of-Work, because of power and energy ...
1
vote
2answers
89 views

How many type of Proof-of-Work is used in IOTA?

In the following article about "IOTA CryptoCore", it is written: "IOTA core functions like address generation, signing, “Mini-Pow” and Proof of Work (PoW) need much computational power which ...
1
vote
1answer
37 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
0answers
16 views

how to put use require and iota/core in the html client

How could I go about using iota/core library in the client side to send transactions? I tried to use browserify but got error Unexpected character '�' (1:0) while parsing /node_modules/opencv4nodejs/...
0
votes
0answers
29 views

How to get a list of transactions related to an an address using js?

I'm experimenting with the iota js library from github and trying to find a way to list all transactions related to an address. Specifically I want the amount of iota sent/received and the time of ...
0
votes
0answers
22 views

Could an address theoretically be signed from any seed?

A seed consists of 81 trytes. A standard address also consists of 81 trytes (I have read that it is also possible to generate longer addresses but not sure about that). Every seed can generate ...
1
vote
1answer
27 views

Are messages sent with transactions in Trinity public?

Can anyone see what the message was that I sent today to PEUTKRIYWYRJFLEPZWHKEDLSXZEDOFJKBDODKVTDKMP9C9UGGNVXWYJEWNYDWHVCUVGQHRFJPTRKANMBCYLTLUTEOY along with 1 Gi? If yes, how?
0
votes
0answers
29 views

How to get the current address of a fetched MAM mesage object?

as the title says, im searching a way for extracting the address of an associated MAM- Object. Thanks in regards
1
vote
1answer
38 views

balance equals to zero when reinstalling app

I tried to get my iotas in a new app isntance in another cell phone and the balance is zero, sync manually or snapshot transition does fix the issue, it loops in findings 0 iotas. I can see the ...
1
vote
1answer
20 views

How to return Tx Hash when sending transaction

I see using sendTrytes you would get an bundle, but can I get hash from the bundle and return to me? const transfers = [ { value: 0, address: address, ...
0
votes
0answers
34 views

Transaction confirmation timestamp

How can i get the transaction confirmation timestamp (the same I can see using the IOTA Tangle Explorer) using the IOTA Javascript library? Thanks
1
vote
2answers
74 views

What is the correct way to write “Hello, World!” to the tangle?

How would a simple program look like, that, when run, writes the message Hello World to the tangle?
1
vote
1answer
85 views

Why does Iota try to roll its own crypto?

Having just come upon IOTA, I am struck by the combination of bold vision and something that looks like a definite no-no. First of all, the IoT is the absolute dream come true for eavesdropping and a ...

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