Hi, did they send with a too low fee?

hosseinimr93

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Quote from: bitmover on May 28, 2020, 11:52:35 AM

Quote from: hosseinimr93 on May 28, 2020, 10:59:34 AM

The scammer makes a RBF transaction from address A to address B (Addresses A and B have been made in separate Electrum wallets and both are owned by the scammer) and then makes a transaction from address B to address C which is owned by another person. Then bumps the fee of the first transaction. The second transaction from address B to address C will disappear.

I don't get. Are you calling cointraffic a scammer?

I like them, I think they are a good service and OP doesn't have to worry about that.

No, No, I didn't mean that.
I was only trying to say that shouldn't trust unconfirmed transactions especially RBF unconfirmed transactions. I was talking generally and not about cointraffic.

bitmover

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Quote from: hosseinimr93 on May 28, 2020, 10:59:34 AM

The scammer makes a RBF transaction from address A to address B (Addresses A and B have been made in separate Electrum wallets and both are owned by the scammer) and then makes a transaction from address B to address C which is owned by another person. Then bumps the fee of the first transaction. The second transaction from address B to address C will disappear.

I don't get. Are you calling cointraffic a scammer?

I like them, I think they are a good service and OP doesn't have to worry about that.

hosseinimr93

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Quote from: hugeblack on May 28, 2020, 06:28:39 AM

Quote from: bitmover on May 27, 2020, 02:14:11 PM

But even if they sent you for 1 sat/byte (the minimum fee) the transaction would eventually be confirmed. You don't need to worry, just to wait.

If that transaction contains the RBF flag set, it is possible to replace it with a change in (fees, outputs, and amount) and therefore you may be scammed and lose your money.
I remember that it is possible in the Electrum wallet even though the main GUI does not support it^[1].
Even if the transaction does not involve RBF flag, it is possible that unconfirmed transactions to be canceled.

[1] https://steemit.com/bitcoin/@profitgenerator/tutorial-how-to-fix-unconfirmed-transactions

It is even possible to abuse RBF transactions much easier and without any need to editing the wallet file.

The scammer makes a RBF transaction from address A to address B (Addresses A and B have been made in separate Electrum wallets and both are owned by the scammer) and then makes a transaction from address B to address C which is owned by another person. Then bumps the fee of the first transaction. The second transaction from address B to address C will disappear.

bitmover

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Quote from: LoyceV on May 27, 2020, 02:28:06 PM

Quote from: bitmover on May 27, 2020, 02:14:11 PM

But even if they sent you for 1 sat/byte (the minimum fee) the transaction would eventually be confirmed. You don't need to worry, just to wait.

That's only true if you trust the person who sent it to you. If it's someone you don't trust, you shouldn't rely on an unconfirmed transaction.

Quote from: hugeblack on May 28, 2020, 06:28:39 AM

If that transaction contains the RBF flag set, it is possible to replace it with a change in (fees, outputs, and amount) and therefore you may be scammed and lose your money.
I remember that it is possible in the Electrum wallet even though the main GUI does not support it^[1].
Even if the transaction does not involve RBF flag, it is possible that unconfirmed transactions to be canceled.

Cointraffic looks reliable imo, which is the case of OP...

But what you said is also true for 14 sat/byte transaction, which can take about a day in current network status. And anyone can replace by fee a transaction like this with a 150 sat/byte.

Quote from: LoyceV on May 27, 2020, 02:28:06 PM

I currently have a transaction that's unconfirmed for 2 weeks. My wallet keeps broadcasting it, but if the sender stops broadcasting, it will drop from mempool after a few days and will never confirm.

This is very strange. About a week ago a made a 1sat/byte transaction which was confirmed in about 3-4 days. Mempool below 3sat/byte was cleared a few times after this. Maybe something is wrong with your transaction?

hugeblack

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Quote from: bitmover on May 27, 2020, 02:14:11 PM

But even if they sent you for 1 sat/byte (the minimum fee) the transaction would eventually be confirmed. You don't need to worry, just to wait.

If that transaction contains the RBF flag set, it is possible to replace it with a change in (fees, outputs, and amount) and therefore you may be scammed and lose your money.
I remember that it is possible in the Electrum wallet even though the main GUI does not support it^[1].
Even if the transaction does not involve RBF flag, it is possible that unconfirmed transactions to be canceled.

[1] https://steemit.com/bitcoin/@profitgenerator/tutorial-how-to-fix-unconfirmed-transactions

LoyceV

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Quote from: bitmover on May 27, 2020, 02:14:11 PM

But even if they sent you for 1 sat/byte (the minimum fee) the transaction would eventually be confirmed. You don't need to worry, just to wait.

That's only true if you trust the person who sent it to you. If it's someone you don't trust, you shouldn't rely on an unconfirmed transaction. I currently have a transaction that's unconfirmed for 2 weeks. My wallet keeps broadcasting it, but if the sender stops broadcasting, it will drop from mempool after a few days and will never confirm.

bitmover

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Quote from: fritvalg on May 27, 2020, 12:03:40 PM

Did they provide enough fee for it to be confirmed or not?

Transaction ID: e5c63d9cfabe1ce9ec77482e6a723e967d531ebaf318622664f34ef52d7885bf
Transaction Fees: 0.00000892 BTC
Transaction Size: 224 vbytes
Fee rate: 4.0 satoshi per vbytes

Your transaction is already confirmed (20 confirmation)

But even if they sent you for 1 sat/byte (the minimum fee) the transaction would eventually be confirmed. You don't need to worry, just to wait.

Rath_

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Quote from: fritvalg on May 27, 2020, 12:03:40 PM

Did they provide enough fee for it to be confirmed or not?

The mempool cleared up in the last few hours. Currently, there is ~2.5 MB of transactions paying 4 sat/byte or more in the mempool so your transaction should get confirmed in the next few blocks as long as nothing extraordinary happens.

fritvalg

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Hi there

Im not so much into bitcoin knowledge, but i just had a refund from cointraffic.io and transaction is unconfirmed after 4-5 hours still.
I have tried that before, but i can see that the fee is so low that i even couldnt send the same amount with same fee from my BitPay wallet because its so low.

Did they provide enough fee for it to be confirmed or not?

Transaction ID: e5c63d9cfabe1ce9ec77482e6a723e967d531ebaf318622664f34ef52d7885bf
Transaction Fees: 0.00000892 BTC
Transaction Size: 224 vbytes
Fee rate: 4.0 satoshi per vbytes

Topic: Hi, did they send with a too low fee? (Read 215 times)