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Topic: 15btc transaction fee, big mistake - page 7. (Read 12683 times)

legendary
Activity: 905
Merit: 1000
March 11, 2016, 02:46:36 PM
evidence that it is better to accept the default fee amount
legendary
Activity: 1904
Merit: 1037
Trusted Bitcoiner
March 11, 2016, 02:45:59 PM
isn't there a slider bar on Core to set the fee/byte of a TX

what happens when you set it to the max?
full member
Activity: 491
Merit: 105
March 11, 2016, 02:09:11 PM
Huge mistake, people should be careful when conducting transactions worth thousands of dollars like in this case...
hero member
Activity: 616
Merit: 500
March 09, 2016, 04:10:23 PM
OMG! 15 btc fee! I wish I could have this money which was a transaction fee only! Never see such a big amount for fee only
hero member
Activity: 658
Merit: 500
March 09, 2016, 11:05:03 AM
From 22 BTC transfer 15 BTC fee - I think he made the mistake.  Happy BTC miners.  Wink
full member
Activity: 140
Merit: 100
★YoBit.Net★ 350+ Coins Exchange & Dice
March 09, 2016, 07:49:01 AM
Probably a human error. He must seem to filled the form in a wrong way that he did not notice that the fee he will send have that such big amount. Miners are lucky for that fee. It seems they celebrating for this mistake.
hero member
Activity: 924
Merit: 1001
March 09, 2016, 07:14:21 AM
Also other people reported issues for tx fees (with wallet that they don't know use as good as they need to know...)...
But this is one of the most big tx fees I have never see or ear!
newbie
Activity: 30
Merit: 0
March 09, 2016, 07:11:50 AM
Could this really be a mistake or is it possible that this was manipulated?  Huh
hero member
Activity: 504
Merit: 500
March 06, 2016, 05:50:56 PM
gosh... The owner is probably still crying hard. This was the worst mistake of his entire life. Anyway, miners had all the luck and will receive extra coins
member
Activity: 70
Merit: 10
March 06, 2016, 05:33:38 PM
My god.......did this really happen? I would be shitting bricks if that happened to me. Man that's ugly!!
copper member
Activity: 2996
Merit: 2374
March 06, 2016, 05:32:50 PM

the mining fee is divided proportionally by the hash of the miners right? if you have 1/10 of the hash you get 1/10 of the total fee?

No. Only one party (the one mining the block) will get 100% of the money.

wait, how it work with pool then? it must be divided in the end, or the pool get all the money from fees?

to answer this is to understand the difference between a mining pool and a mining farm

a mining farm is a 100% owned by one company and all the ASICS are 100% owned by that company.
a mining pool is individuals, groups and multiple companies working together as a pool/syndicate.

the block was mined by F2pool which is not farm(single entity with 100% ownership of all the asics), but IS a pool.
now to get to the payout part:

F2pool (previously discusfish) has a 4% fee. so F2pool keeps 4% and the other 96% is divided by the shares of the individuals hashing.

eg the reward is 41.13939715, f2pool owner gets 1.64557589 and the rest gets shared out by the other miners.

if it was a mining farm. the entire 41.13939715 would be kept by the farm owner
This is not quite true. f2pool is 4% PPS, which means miners receive 96% of the EV of the hashpower they direct to f2pool regardless of f2pool's luck. As long as f2pool has at least 96.001% luck over the long run they will be profitable (before counting other expenses).
sr. member
Activity: 424
Merit: 250
Legendary est. 2013
March 06, 2016, 04:18:49 PM
That hurts Grin

Wish the guy all the best. be careful next time...
hero member
Activity: 1063
Merit: 502
RIP: S5, A faithful device long time
March 06, 2016, 02:43:31 PM
It would be real nice if it turned out to be the guy who was flooding the network with spam transactions.

Hey, that are illegal act... Shocked
legendary
Activity: 1288
Merit: 1087
March 06, 2016, 02:41:42 PM
Ugh. If I did that I'd have to run out and get smashed immediately. Goes to show it's a long way from foolproof yet. I carefully check everything before sending. We need more zeroes on the end and less at the start.
member
Activity: 67
Merit: 10
March 06, 2016, 10:38:36 AM
I'm wondering if this is money laundering.

Alice has dirty bitcoins that can link him to illegal activity.

Bob is a miner.

Bob keeps adding the TX to the blocks he is trying to solve. As soon as he solves the block, he notifies Alice so the TX goes to the network and Bob releases the block.

It looks like Bob got the TX from the network. But the dirty coins are destroyed.

Bob then sends Alice the equivalent value (less a fee) using existing coins or using the coins from the block reward to several addresses controlled by Alice.

Now both Alice and Bob are cleared of any scrutiny and the laundering is complete.

this case was most probably a mistake in the code they were using which sent big fees.
but your theory is interesting but it doesn't sound right. because if you want to launder money you will try to cover your tracks
in this case when Alice sends her dirty bitcoins to Bob and includes a big fee, it is so obvious what they are doing besides doing it a couple of times to a miner called Bob will put Bob in law enforcement watchlist and following the coins going into his blocks and out of his known addresses will lead them to Alice too.

Alice doesn't have to send them to bob.

Alice can create a transaction send a small amount to a random address neither care about and just include a large TX fee.

Bob just includes the transaction in every block Bob attempts to mine and Alice doesn't send the TX to the network until Bob has found a block.

There's a small risk another miner will find a block at the same time, but really all bob needs is a way to communicate with Alice that Bob solved the block to trigger Alice to send the TX out to the network at the same time Bob releases his block to the network.

Then it looks like Bob got the TX from the network if forensics is done because Alice has sent the TX out to the network.


There's no way to prove any collusion between Alice and Bob through the blockchain and the dirty coins are replaced with fresh coins.

This seems impractical to me since Bob might have to wait months to find a block, unless he has an absolutely ginormous rig. And if he controls a pool, couldn't Alice just send the 15btc to the pool ? From that point, Bob would just have to extract 15 different btc from the pool at some future time
legendary
Activity: 1204
Merit: 1028
March 06, 2016, 12:51:38 AM
For 6 BTC who gives 15 BTC as fees. I wish like friedcat refunded the fee, the miner this time as well would do the same unless there was some other issue due to which he added such a huge fee.
STT
legendary
Activity: 4088
Merit: 1452
March 04, 2016, 07:24:22 PM
15 bitcoin fees that hurts, that's the reason i don't customize my fees lol i pay the default fees set by the electrum wallet.
 Or even better never use bitcoin because this is what happens if you know nothing about computers and make a silly mistake, they'll comeback that nothing can be done and its your fault anyway so tough.  Should have stuck with dollars and big government nanny state

 This is how a community that wants to expand globally manages to how to shoot itself in the foot by blaming the user who doesnt care about code and technical superiority, they just want to buy something simply.
  The guy who invented microwave was probably pretty clever, but the people who use it just bung the food in there and press 1 button; this is how mass appeal is done sorry
legendary
Activity: 1260
Merit: 1001
March 04, 2016, 07:02:45 PM
Excuse me, I thought I was in a different thread.
sr. member
Activity: 322
Merit: 250
March 04, 2016, 06:00:45 PM
Dammit i would cry if i made such a mistake. It's a lot of money to throw away but just a simple mistake. I bet the previous owner of that btc feels the same way about that.
Damn 15 BTC gone.

Cry i would hurt myself (not to hard) but losing 6K USD for a mistake? Like really? Can't believe the person did not double check this transaction.
I double check every transaction above .05 BTC
hero member
Activity: 714
Merit: 500
March 04, 2016, 05:41:40 PM
Dammit i would cry if i made such a mistake. It's a lot of money to throw away but just a simple mistake. I bet the previous owner of that btc feels the same way about that.
Damn 15 BTC gone.
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