Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [transaction]

The term "transaction" is used in IoTA to refer to the signed data package that stores a message to be sent from an externally owned account.

1
vote
1answer
4 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
2answers
34 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 ...
1
vote
1answer
31 views

What is the propagation time in IOTA?

For Bitcoin we have the following information about the propagation time from here: 12.6 seconds is the time it takes for a new block to propagate to 95% of nodes. Is there any observation on how ...
1
vote
1answer
28 views

How can I make my Bluetooth enabled IOT device sign a transaction so that POW and everything else can be done by another device?

Is there some kind of IOTA C library just for signing transactions? The IOT device in question does not have Wifi and is too weak computationally to do POW. I want the device itself sign the tx so ...
2
votes
1answer
30 views

Does Broadcasting a Bundle on Both MainNet and TestNet Facilitate Brute Forcing the Seed?

I have made an open source airgapped device for signing bundles offline. A main purpose is to address the possiblity that the components we use to make our devices are already compromised before ...
1
vote
2answers
88 views

How many confirmations are required for funds to be received?

If I am not mistaken no single block in the public tangle is ever fully confirmed. What exactly determines the treshhold when funds are actually received, making the transaction relatively ...
0
votes
0answers
60 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). ...
0
votes
0answers
222 views

Integrating IOTA into UNITY

I'm trying to integrate IOTA into the Unity game engine although whenever I try running the code I get "Insufficient value submitted" I have made sure that my seed is accurate and that I have enough ...
0
votes
0answers
26 views

How to understand if a transfer is an ingoing or an outgoing one by calling getAccountData?

I'd like to know how I can check if a transfer is an ingoing or an outgoing one, and know the respective sent/received amount by calling getAccountData from the Iota JavaScript library.
2
votes
1answer
137 views

What is the typical network transaction amplification rate?

With IOTA, every neighbor, either directly or by request, is required to share the transactions it receives with its neighbors in order to ensure that the entire network sees all transactions ...
1
vote
1answer
50 views

Use of addresses

When you want to do several transactions how do you update the people transacting with you of your new address? In the case of machines transacting with each other how will the machines know the ...
4
votes
1answer
112 views

Does IOTA have block finality (at the moment)?

As the title says i am interested in the block finality of IOTA. In the long run there seems to be no instant block finality in IOTA because it is only considered confirmed as some number of tips are ...
0
votes
1answer
97 views

Which feature/s will avoids SPAM or massive invalid transactions in a IOTA network?

Watching IOTA presentation there is a thing that is still unclear for me: Knowing that IOTA involves PoW but a much lighter one (in order to achieve thousands of transactions per second, but also ...
2
votes
2answers
87 views

physical clock or logical clock for timestamping

Timestamps in Tangle are already mandatory and must have a value in a certain range, which seems to be between the last snapshot time (epoch 1517180400, which is GMT: Sunday, January 28, 2018 11:00:00 ...
3
votes
1answer
48 views

Sort transactions in temporal order

I want to sort transactions, within a specific tag, in temporal order. In the docs it says: timestamp : Int timestamp of the transaction. It is important to know that timestamps in IOTA are not ...
3
votes
1answer
67 views

Adress reuse with zero value transactions

If I send multiple zero value transactions from address A, containing several messages to broker a deal, is it safe to (re)use that address later on for a payment (to settle the deal)?
4
votes
1answer
59 views

Finalizing bundle fails

Finalizing the bundle fails, because the ICurl instance (jota.pow.Kerl) can't absorb due to the supplied trits not having the required length. Exception in thread "main" java.lang.RuntimeException: ...
2
votes
1answer
50 views

How do I decode the value (eg. 10i) in the signatureMessageFragment?

{'findTransactionsObjects': {'trytes': [TryteString(b'...
0
votes
1answer
26 views

Is there any way to tell if a transaction was produced by a multi-signature process?

IOTA has multisig as a way for the transaction to be signed by more than device before being sent. Is there any way to tell if a transaction was produced by a multi-signature process?
1
vote
0answers
36 views

Permanent storage of transaction Tag and signatureMessageFragment? [duplicate]

I am not able to find a clear answer. I would like to ask whether the Transaction Tag and signatureMessageFragment for Non-0 transactions are purged during each snapshot, or not? If either of them is ...
1
vote
1answer
201 views

Immutability in IOTA: How to be sure a transaction is not “removable” from Tangle?

In Bitcoin and Ethereum, the longest chain with the most proof-of-work (POW) invested in it is accepted as the true chain and used to determine balances and history on the network. Because of this, ...
3
votes
1answer
93 views

Pertaining to the required sequence, how can the requested transaction hash be the same as the received transaction hash?

In the IRI Node class, this code segment checks to see if the requested transaction hash is the same as the received transaction hash: https://github.com/iotaledger/iri/blob/dev/src/main/java/com/...
3
votes
1answer
91 views

What has been the growth rate of tangle confirmation rate until today?

I am curious to understand how the tangle has improved in terms of confirmation rate since its inception. Are there any statistics which show this? A positive growth is definitely a good sign. And if ...
1
vote
1answer
122 views

supporting privacy and private transactions in IOTA?

Has IOTA foundation planned a system of private transactions (whatever the solution considered "zero proof" or other approaches) to support better the privacy ?
-2
votes
1answer
64 views

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?
4
votes
0answers
52 views

Invalid Transactions - Do those make a node bad?

I'm working on a application to track your neighbors. I want an indicator if there are any foul nodes. What's the deal with invalid transactions? They are an indicator that a node is bad, but how ...
4
votes
1answer
169 views

When is a transaction valid?

Which parts of a transaction need to have what value in order for it to be stored and broadcast by the IRI? I know that there are some bundle level conditions like valid signature sum of all values ...
3
votes
1answer
239 views

IOTA get all transactions for wallet/address programmatically js

I need to listen for a new transactions on testnet submitted by wallet/address programmatically(js). I have tried iota.lib.js, but findTransactionObjects and getAccountData always returns null. Is ...
1
vote
1answer
67 views

Is it possible to use “Flash channels” to send non-transactional data?

Is it possible to use "Flash channels" to send non-transactional data, A.K.A 'zero-value' transaction type which simply broadcasts a message or data? If so, is it free? And how to do it?
3
votes
1answer
55 views

How are nodes incentivised to be honest when approving transactions?

I am new to IOTA and would like to understand how nodes are incentivised to be truthful when approving transactions? Bitcoin: Say a miner approves a tx that is invalid (say bc it double spends). It ...
1
vote
2answers
52 views

Is it possible to detect from which node a transaction was issued?

Is it possible to detect from which node a transaction was issued? When my node receive many spam transactions for example, can I be sure that my neighbor issue them?
1
vote
2answers
109 views

Benefits of confirmed 0-value transactions?

As a transaction receiver, is there an advantage to wait until a 0-value transaction is confirmed or not? The only case I can think of is, when the tangle should act as a "spam filter". When the ...
3
votes
1answer
163 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
86 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/...
1
vote
1answer
34 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 ...
3
votes
0answers
64 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?
3
votes
1answer
105 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 ...
1
vote
0answers
66 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
151 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. ...
3
votes
1answer
120 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 ...
1
vote
1answer
48 views

IOTA Multisig with one Signer

What happens if Alice creates a multisig transfer to Bob's address but she is the sole co-signer. I presume Bob will see the transaction but will not receive the funds until Alice spends the input by ...
2
votes
3answers
363 views

How many transaction per second are registered by a full node?

I'm reading different answers about the txs/sec on the tangle and I think I'm missing something. Someone says that right now there are 1000 txs/sec, someone else says 1-2 txs/sec. What's the ...
5
votes
1answer
149 views

How much memory is needed on a full-node?

A full-node contains all transactions from the last snapshot but I'm wondering how can it contain everything (that's a lot of data). Does a full-node store every transaction completely? (the whole ...
2
votes
2answers
177 views

How is the correct way to retrieve the two transactions that had been confirmed in order to create a transaction

I am trying to retrieve all new confirmed transactions from the tangle and for each transaction the corresponding transactions that have been confirmed in order to be able to create that transaction. ...
3
votes
1answer
719 views

IOTA Winternitz Signature Scheme Details

IOTA uses Winternitz one time signature scheme (W-OTS). Page no 45 W-OTS uses one-way function f and cryptographic hash function g. W-OTS selects parameter w > = 2, which is number of bits to be ...
3
votes
1answer
73 views

Why is this message coming when I am trying to send

I am trying to send some iotas and this message keeps popping up. What am I doing wrong? How to find out which node to select in order to get transactions confirmed?
1
vote
1answer
74 views

Are there entities that can submit transactions without having to approve a tip?

In 'The Tangle' white paper, at the beginning of Section 4, this statement is made: It is possible for the attacker to have a plethora of Sybil identities which are not required to approve tips. ...
2
votes
1answer
124 views

Why choose to use weights in the tangle?

Is it not enough to validate a transaction simply by confirming that the sender actually has X amount to send? What benefit is there to using weights? And even if that transaction is already ...
1
vote
1answer
103 views

What are the `attachmentTimestampLowerBound` and `attachmentTimestampUpperBound`fields?

Why does a transaction have the fields attachmentTimestampLowerBound and attachmentTimestampUpperBound. What does it mean for a timestamp to have bounds?
5
votes
1answer
82 views

Does the chance of getting your transaction confirmed increase with faster CPU?

It can be painfully difficult to get a transaction confirmed, so I've found various suggestions to improve this, as: choose a well synched full node choose a full node with low ping time use promote ...