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.

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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 ...
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35 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?
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14 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 ...
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19 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?
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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 ...
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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 ...
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1answer
15 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, ...
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25 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
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87 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 ...
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1answer
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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?
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368 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 ...
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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 ...
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How does the coordinator sign milestones without compromising the private key?

All milestones are just signed transactions with teh address KPWCHICGJZXKE9GSUDXZYUAPLHAKAHYHDXNPHENTERYMMBQOPSQIDENXKLKCEYCPVTZQLEEJVYJZV9BWU. My understanding is that to sign a transaction, you do ...
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34 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 ...
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32 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 ...
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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). ...
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242 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 ...
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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.
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100 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 ...
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122 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 ...
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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 ...
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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 ...
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71 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)?
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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 ...
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1answer
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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: ...
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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?
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210 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, ...
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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 ...
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94 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/...
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1answer
95 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 ...
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Pending Transaction

I know this question has been here before but I did what was already mentioned and still nothing happened. Problem: I sent 250 Miotas 24hrs ago from an exchange (Coinone) to my Wallet (V. 2.5.7 - ...
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1answer
70 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?
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283 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 ...
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176 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 ...
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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?
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139 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 ?
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1answer
92 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/...
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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 ...
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2answers
161 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. ...
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1answer
205 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 ...
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115 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 ...
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725 views

Can one send a zero value transaction from any address to any address?

Since zero value transactions do not require a signature, I assume one can send 0 value tx from any address, even if he does not own the corresponding seed. Is this assumption correct?
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1answer
60 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 ...
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55 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?
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191 views

How do full nodes verify nonces generated after POW completion?

After POW completion, a nonce is generated and added to the transaction object. How does the receiving full node verify it? What will happen if a corrupted node updates the wrong nonce without ...
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1answer
37 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 ...
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385 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 ...
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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?
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Why confirming 2 previous transactions instead of 1 or 3, 4, 5?

In order to send a transaction, one has to validate 2 previous transactions. Why is it 2, instead of 1 or 3, 4, 5?