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12 votes
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How does reattaching a transaction increase the chance for confirmation?

Two reasons: When your transaction is seen by the network, it could be already deep in the tangle (several milestones old) which makes it unlikely to get picked for confirmation. This is often caused ...
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11 votes
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Difference between "Reboadcasting" and "Reattaching"

Reattach: The process of reattaching a transaction is simply doing the proof of work and tip selection process to reattach the transaction to a different part of the Tangle. Reattach once every 30 ...
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10 votes
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When is a pending transaction technically confirmed?

The validity of a transaction (let's call it target-tx) can be evaluated with this algorithm: random selection of 100 new transaction for each of them: count 1 if there is a path to target-tx (i.e. ...
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9 votes

What's with all the pending/unconfirmed transactions with the "STOLEN"?

Anyone can issue a transaction for any amount from any address. Such a transaction won't be confirmed without knowledge of the private key. Your case is about an attempt to pretend that funds have ...
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7 votes
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How do I know if a pending transaction will be successful?

The best way, to get your transaction through is to run your own full node on a seperate Server. This makes transactions faster and gives you more control. However, if you don't run your own full node,...
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7 votes
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What happens to pending transactions after a snapshot?

Transactions that are pending at a snapshot are forgotten, and the balance stays where it is. As the current wallet is stateless, the wallet does not know about those transactions any more either. So,...
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7 votes
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Does every pending transaction pose a threat for my remaining funds in the wallet?

While one single transaction is pending, there is no threat to your balance (apart from the obvious, that if the transaction confirms later, your balance will decrease by the transaction amount). ...
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7 votes

How long should it takes before I can consider an outgoing transaction that is still in pending as failed?

There is no green light. If you sign a transaction a second time, even if it is pending, you reveal your private key and the address is insecure. All remaining funds on that address might get stolen. ...
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6 votes
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What's with all the pending/unconfirmed transactions with the "STOLEN"?

As others already stated, these transactions are not valid as they do not have the correct signature (some of them even have some text - stating that they don't have the correct signature - tryte-...
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4 votes
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CASE STUDY - What can I do if I have a pending transaction that can't be confirmed because the balance now is less than the transaction?

Reattachments won't help and the transfer can't be deleted. Sending 1i to A will help because after that the pending transfer won't be a doublespending.
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4 votes
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IOTA transaction confirmation confidence

If λ is the average rate at which transactions are issued in the tangle, then the cumulative weight of any single transaction (i.e. the count of transactions that directly & indirectly reference ...
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4 votes
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Change the node while transaction is still pending?

The wallet doesn't keep an open connection to the full node. Here is the flow : get the tips (connection required) do the pow (offline) post the transaction (connection required) transaction is ...
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  • 5,344
4 votes

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

If the POW last for a long time, your transaction will be attached to relatively old transactions when it will be broadcasted to the network. It will looks like a "lazy tip". "Lazy tip" have less ...
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4 votes

How does reattaching a transaction increase the chance for confirmation?

The transaction might get attached to the part of the tree that will never be validated for example because there were too many tips in the Tangle tree waiting for validation so that it gets “...
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  • 141
4 votes

How long should it takes before I can consider an outgoing transaction that is still in pending as failed?

A transaction will likely remain pending if it doesn't confirm within ~ 1 hour. That is just a rough estimation and may change in the future. Anyone can reattach it, so it will have another chance to ...
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  • 363
3 votes
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New transaction if the last transaction is still pending

When sending a transaction, and another transaction of the wallet is still pending, you will usually have to wait. In case your first transaction does not exactly use up the amount of your first few ...
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3 votes

IOTA Deposit Still Pending for Five Days

After five days, there is almost zero chance that it get approved by a new transaction because the tip selection algorithm will select recent transactions. According to an IOTA dev (on slack), if the ...
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3 votes
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What happens when reattching under 30 minutes?

When your transaction is younger than 30 minutes, there is a significant chance that other transactions will use it as a tip for their transaction (and therefore confirm it). So, first, if you ...
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3 votes

How do I know if a pending transaction will be successful?

A transaction has not failed even if it does not confirm. You should never make a new transaction, but replay the first one until it confirms. The only time a transaction will not confirm, is if the ...
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3 votes

Why do I always have to reattach each transaction?

According to How does reattaching a transaction increase the chance for confirmation? two main reasons can be identified: Your computer takes a lot of time for the POW, which results in an attach ...
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  • 1,468
3 votes
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How does the IOTA wallet determine confirmed transactions

tl;tr With wallet 2.5.6 and IRI 1.4.1.4 : a transaction is confirmed if and only if it is confirmed by a milestone. To check the confirmation status of a transaction, the light wallet call the ...
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  • 5,344
2 votes

Pending Questions

You cannot move IOTA's that are not confirmed to one of your addresses - so you have to wait for confirmation before sending it on. It's recommended to create a new address for each incoming transfer ...
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2 votes
Accepted

For the past month, I haven't been able to get this transaction to go through

I was able to get it to go through. I used this tool to automatically promote/reattach every 30 minutes, and my transaction has been confirmed now.
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1 vote

Pending Transaction

Why are there 2 transactions? The empty transaction is the wallet telling the network your address exists. This is not required to send transactions to the network. The transaction with 250 MIOTA ...
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  • 798
1 vote

Sending IOTA Question

Ok so first of all generating a new address, doesn't move any of your funds to the new address. So each address only contains the amount of iota which had been deposited before. This is the reason why ...
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  • 1,607
1 vote

Sending IOTA Question

Yes, it is ok to have more pending transaction as long as the used funds for those transactions do not overlap. Usually, the client would prevent you from broadcasting such transactions.
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  • 111
1 vote

Pending Questions

I had to continue to reattach the transaction using different nodes in order for it to finally confirm.
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1 vote

IOTA transaction confirmation confidence

The number of path to check is indeed arbitrary. The idea is that you must check enough paths so that the estimation of portion of tips approving your transaction is accurate.
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  • 5,344
1 vote

How long does a transfer IOTAs from the wallet to the exchange (Bitfinex) take?

When you transfer iota to bitfinex, you have to distinguish between 2 things: first you transfer iotas to your deposit address. second, bitfinex transfer iota from your deposit address to his wallet. ...
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  • 95
1 vote

Is it possible to cancel a transaction?

Though you have to take the risk of getting your 8Gi funds stolen for exposing more of your private key, the alternative way to create a new transaction without the "key reuse" error is to use the CLI ...
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