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4
votes
2answers
80 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
35 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
77 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
32 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
33 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 ...
-1
votes
1answer
35 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
votes
0answers
36 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
20 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
37 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 ...
5
votes
1answer
78 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
50 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
26 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
41 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
33 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
84 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
22 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 ...
2
votes
2answers
74 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
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. ...
1
vote
1answer
46 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
59 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
104 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
62 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
57 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
59 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
1answer
95 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
31 views

what is the Mathematical principle of the tangle

how do i get the probability of the douple-spending?
1
vote
1answer
562 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 ...
1
vote
1answer
32 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
107 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
24 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
17 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
44 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
96 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
76 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
32 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
37 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?
1
vote
1answer
49 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
27 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, ...
1
vote
2answers
87 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
103 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 ...
1
vote
1answer
76 views

What are the cryptographic functions in IOTA(Tangle)

I'm wondering what and where cryptographic functions are used in IOTA? Because from what I understand Tangle is mostly based on DAGs where the tips are chosen using MCMC algorithm which is bayesian ...
0
votes
1answer
75 views

How is the IOTA project now? Can we use it for a real project?

Could you please tell me how the iota project is now? I've read some good research papers and interesting proof of concepts, but it also seems some initiatives, like the ecosystem, are no more. So ...
1
vote
1answer
196 views

IOTA Seed less then 81 characters

i bought some iota late 2017 but the seed i created at the time on the desktop wallet was less then 81 characters and it worked fine, i thought id wait until the official wallet came out and would ...
0
votes
0answers
16 views

What is an “apiEndpoint” in poc-ipfs config file

In the poc-ipfs app blueprint from IOTA’s GitHub, they have a config file on the client side (link below), one of the parts of the script contains “apiEndpoint”, I do not know what would go there for ...
3
votes
1answer
71 views

How secure is storing IOTA in Ledger Nano S?

Is storing IOTA in Ledger Nano S completely secure? I am asking because IOTA doesn't use elliptic-curve cryptography. Does storing and using IOTA in Ledger Nano S may make it easier for an attacker ...
0
votes
1answer
47 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 ...
1
vote
1answer
44 views

Tangle explorer transaction value

What does the "value" field of the tangle explorer indicates? The linked transaction reports a value of 1+ B USD. What is this value referring to?
1
vote
0answers
30 views

How do I keep IOTA secure? [closed]

I am setting up a website where users buy and sell IOTA with USD. I've gotten some general safety tips about keeping your seed secure but I wanted to know what I could do to be safe from hackers, ...
1
vote
1answer
50 views

Coordicide: Would using public key encryption as a mechanism for node identity impact Iota's quantum resistance?

per the white paper In order to identify nodes, it is necessary to introduce global node identities. Tothis end, we envision using common public key cryptography to sign certain dataand to ...
0
votes
1answer
246 views

Iota dollar balance not displayed

I have not accessed my IOTA 2.5.7 light wallet in quite a few months, however I was finally able to get my full balance after a few attaches. I downloaded the Trinity Wallet (with Ledger) and ...

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