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4
votes
1answer
275 views

Maximum how many possible characters to transfer in a message? [duplicate]

Since IOTA transaction is free of fee, so it's useful for transferring messages and files with it (compared to, for example, Ethereum that in case of the use of a String, the transaction will be very ...
2
votes
1answer
100 views

Latency in transaction confirmation is usual?

I sent some transactions to the IOTA Tangle. However, according to thetangle.org website, they are not confirmed yet. You can see one of them here : https://thetangle.org/transaction/...
4
votes
1answer
99 views

What are the parents of the first transactions after a snapshot?

After a snapshot has been taken, there are no more transactions, only the account balances. Which tips are referenced as parent by the first (new) transactions? Is it possible to use one transaction ...
2
votes
0answers
23 views

How do real world applications deal with IOTA snapshots? [duplicate]

IOTA is constantly mentioned in the news about new cooperations between IOTA and other business partners. But how do applications such as the over-the-air proof-of-concept of IOTA and VW handle ...
2
votes
3answers
102 views

What happens if we generate a “seed” that already exists?

According to this answer, "our seed is as the combined username and password that grants access to our bank account. If anyone obtains our seed, they can login and access our funds." Despite ...
3
votes
1answer
97 views

How to stream XDK 110 data via MAM

I just got my Bosch XDK 110 and have been playing with the workbench. Everything works smoothly. Now I want to stream this data via MAM to the Tangle. Are there any pointers on how should I do this? ...
6
votes
2answers
278 views

What are the differences between Qubic smart contracts and Ethereum smart contracts?

I would like to know the differences between Qubic smart contracts and Ethereum smart contracts (for example: Turing-completeness, oracle-like behaviors...).
1
vote
1answer
98 views

How do I generate an IOTA address from a given seed in Javascript without making an HTTP(s) requst?

In all of the ways to getNewAddress() we have to call an iri node (reference). But using the seed it is a deterministic algorith, why do I have to use and http request to do that? How do I generate ...
1
vote
1answer
42 views

Claiming my Iota Balance [closed]

I have used the reclaim tool in the past to get my IOTA back and now its gone again.I just realized today that there was a snapshot. When i log onto my updated IOTA wallet my balance is 0. When I try ...
1
vote
0answers
42 views

Unique SideKey for each individual message in Restricted mode

Is it possible to have a unique secret key for each new message added to the channel in restricted mode? If yes, How we can achieve it? Desired Scenario: Different Messages having different SideKeys ...
2
votes
0answers
94 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 ...
1
vote
1answer
39 views

Can a bundle be 3 transactions for security level 1?

A bundle has 4 transactions: The output; address and amount of IOTA recipient gets. The input; address, and amount of IOTA sender gives, and half of their signature. The other half of the sender's ...
6
votes
1answer
509 views

What prevents someone from using a Precomputed POW Spam Attack against the network?

What prevents someone from using a Precomputed POW Spam Attack against the network? A theoretical attack could use pre-made transactions to be released before their network expiry dates. Rounds of ...
4
votes
1answer
44 views

What does a node do if the two selected tips it has to validate are inconsistent?

Every article or blog post that I found only goes to the point where a node has selected two tips via the MCMC walk and checked them for consistency (and then states that if they are inconsistent the ...
2
votes
1answer
183 views

Where can someone view the source code for the new Trinity wallet? [closed]

The Trinity Wallet (aka UCL IOTA Wallet) is to be released very shortly. Where can someone view the source code to the Trinity wallet?
3
votes
1answer
162 views

PearlDiver: why are these values hard-coded?

I'm reading the PearlDiver class written in the IRI. Each 243 trits long block of the transaction is absorbed except the last one. Now only 243 trits remain: 162 are absorbed, then the workers are ...
1
vote
0answers
21 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?
4
votes
1answer
96 views

How to send a PGP encrypted message to the IOTA tangle?

I have done the phase 1 of the IOTA claim process. Now I am blocked with how to start the phase 2: it is mentioned to do this: As part of this process, you’ll publish a PGP encrypted message ...
5
votes
0answers
110 views

How to sign a data transaction?

I am wondering if it is possible to sign a data transaction, i.e. generate a signed bundle whose inputs have a balance of 0. If so, how could I construct such a bundle? I am asking because I would ...
3
votes
0answers
68 views

Validation of Transaction

What information must be stored in a node so that it validates a particular transaction? Also which node information must be stored and how that is relevant in validating a transaction?
5
votes
1answer
127 views

IRI gets stuck after a while

I run a node I setup after the manual of http://iota.partners/ I recently completely wiped it and installed the newest lubuntu 18.04 on it, but I had the same problems before. Yesterday I set ...
2
votes
0answers
72 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 ...
2
votes
2answers
132 views

How to send a sidekey securely to the subscriber for my channel

Sending the sideKey and channel-id is important for new subscribers to read my stream. How can I securely transmit them over the network? Shouldn´t be the key exchange algorithm also quantum proof?
1
vote
1answer
96 views

Is it possible to create transactions that require less POW

The compute times for the proof-of-work varies considerably within a random sample of input data. With some input data, the POW can take 1/100th to even 1/1000th as little time as it takes normally (...
2
votes
0answers
38 views

Which bundles are attached to the tangle when closing a Flash Channel?

I have a general question about closing a flash channel. My understanding is that when closing a flash channel the final bundle (the transfer from a leaf node/multisig to output addresses) is ...
4
votes
2answers
199 views

Remove the necessity of Milestones

In the Original white paper of the IOTA there is no mention of the Milestone. In reality however, the IRI code is so tangled (pun intended) with the use of Milestones, that I was not able to run an ...
4
votes
3answers
200 views

Tip selection algorithm used for data transactions

A data transaction on the Tangle (a.k.a. zero value transaction) does not need confirmation. The reason for value transactions to all use a similar tip selection algorithm is that it increases the ...
3
votes
2answers
96 views

How can I interpret these node statistics?

How can I interpret the given stats please? It is clear that the first node is syncing OK. The second is down—I can see this also in logs. But what about the other two? They're only sending but not ...
6
votes
1answer
169 views

IOTA API error when making send transaction call with Node.js client library

I made some test codes to send transactions with Node.js client library, and received the below error response. I cannot find the cause of this error. Did this happen to anyone before? And can anyone ...
4
votes
1answer
123 views

What happens when I send a transaction to myself?

I used a private key to send a transaction to its corresponding public key. The transaction got confirmed after a few minutes. My balance stayed unchanged. What exactly happened between the moment ...
3
votes
0answers
43 views

Nelson 0.4.0 crash

I run a full node with the Nelson tool, version 0.4.0, for neighbor management. For a while now Nelson frequently crashes with the message: Error: Invalid URL: ws://[iota.kun.com:14600]:NaN This ...
1
vote
1answer
78 views

Is there an IOTA PHP library?

How can I implement IOTA in my website in a way people can't see the code (contrary of javascript)? Each user would have an seed, how can I handle this sensitive information using IRI API?
1
vote
0answers
67 views

Transfer from Multisg 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 ...
2
votes
2answers
170 views

maybe lost funds [closed]

Sometime in Q4 2017 I sent my MIOTA to the wallet. I verified then that the funds had arrived. Now I am logging in and the balance says 0. I am having a hard time interpreting the transaction history. ...
18
votes
1answer
2k views

Why were 4-byte integers chosen as the best way of storing individual trits within IOTA software?

update: Since this was posted, on Jun 11, an issue was opened by one of the IOTA Foundation developers to look into how to make the storage of trits use less memory. Although moving to a byte[] is not ...
2
votes
1answer
133 views

How do I send a transaction using only POST requests?

On small boards like arduino micro, NodeMCU(esp8266), or teensy, I cannot run an iota node or wallet. I can only transmit POST requests to a iri server. Given a seed, and a message, how do I attach ...
6
votes
1answer
50 views

If the bundleHash is normalized how is the private key is revealed

In IOTA you should never re-use an address for outgoing value transactions because part of the private key is 'revealed'. But if the bundleHash is normalized, thus avoiding the M bug, than the ...
4
votes
2answers
393 views

My IOTA balance is not correct

I have tried to search deep into this before submitting here. I have changed nodes, attached to tangle a few times and also changed 'minWeightMagnitude' to 14. None of those seem to reflect my ...
3
votes
1answer
128 views

Problem uploading message to Tangle

I'm working on a project for sending sensor data to the tangle and up to now I've managed to do the following Collect environment data from a sensor attached to a Raspberry Pi Send that data via MQTT ...
3
votes
1answer
536 views

What smart contract language does IOTA use?

What smart contract language does IOTA use? Solidity?
1
vote
0answers
95 views

How to use IOTA with a TTN network (of LoRa nodes)? [closed]

I am working in a project where I create a LoRa Gateway on The Things Network (TTN). I want my nodes to work with IOTA. Is it possible to use IOTA with the TTN network?
1
vote
0answers
28 views

How can I use IOTA in Arduino Mega?

I'm currently trying to use IOTA in an arduino mega that has a lora Shield and send data to another one (node to node connection with lora shield). How can I use IOTA to secure this transaction?
1
vote
1answer
471 views

How to check if my neighbors are synced

Is there a way to check if my neighbors are synced? I had a synced node (using the DB and 2 swarmnodes) and then added some neighbors (7). Since then, it seems that my node stopped being synced and ...
0
votes
1answer
35 views

Light node: difference between IRI repo and iota.lib.java?

I'm interested in doing some tests as a light node and I'm currently studying the code. What are the difference between the IRI and the java library (iota.lib.java)? Should I use or not use one of ...
1
vote
2answers
144 views

Can MAM use non-zero value transactions?

Can MAM publish messages of 1i that aren't deleted by snapshots?
2
votes
1answer
243 views

What is Zero Message Queue? (ZMQ or ØMQ)

I read about real-time message stream (ZMQ) on iota docs: https://docs.iota.org/introduction/testnet/endpoints#realtime-message-stream---%C3%B8mq Anyone able to explain in a few words what it does ...
3
votes
1answer
145 views

When and how is computed the attachment timestamp (and its upper/lower bounds)

In the transaction trytes there are these fields: timestamp (9 trytes); [...] attachment timestamp (9 trytes); attachment timestamp lower bound (9 trytes); attachment timestamp upper bound (9 ...
2
votes
1answer
39 views

Access my IOTA balance to send and receive

I see my iota balance but I have a few pending bundles in the History section (two confirmed out of 7). Question: If I see my balance, does that mean everything is ok and I can move the balance out ...
2
votes
1answer
123 views

MAM: Can stored data in restricted mode be revoked at any time?

I have stored some data on the Tangle using MAM in restricted mode. Can this existing stored data be revoked, at any time, in some way? In the MAM API I could not find such an option. Note: I am not ...
4
votes
2answers
190 views

IOTA and monetary policy

Can a finite supply (like IOTA) deal with a growing (m2m/p2m/p2p) economy? Because you might end up in a situation where everyone is hoarding. There is nothing wrong with a bit of speculation but ...

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