New transaction accelerator on the market - mempool.space

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Quote from: Synchronice on April 02, 2024, 05:11:00 PM

if you post in public the transaction that you want to accelerate, you might be in trouble because if you don't accelerate it and will hope that nodes will forget your transaction soon, then there might come someone evil who will push nodes to broadcast your transaction and it will be unconfirmed till the day recommended fees match to your TX fees.

No need to post anything: the moment you broadcast a transaction, it's public knowledge. "Someone evil" can just be a node with very large mempool. But for most other nodes, 1 sat/vbyte is still under the purge limit, so they won't even remember it.
The only way to make a signed transaction invalid is by moving at least one of the inputs (with a higher fee).

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Quote from: LoyceV on March 30, 2024, 10:50:32 AM

Quote from: xixou on March 30, 2024, 06:54:27 AM

If I delete, will my sat be back in the wallet?

Yes.

After a month, Bitcoin Core should be able to forget this 1 sat/vbyte transaction. It's even under the purge limit.
Alternatively, you could probably import the private key into Electrum and create a new transaction there, but try first to wipe this transaction from your Bitcoin Core.

Just want to confirm this. As far as I understood, if you post in public the transaction that you want to accelerate, you might be in trouble because if you don't accelerate it and will hope that nodes will forget your transaction soon, then there might come someone evil who will push nodes to broadcast your transaction and it will be unconfirmed till the day recommended fees match to your TX fees.

Quote from: dkbit98 on April 02, 2024, 03:05:16 PM

You can wait a very long time for confirmation with minimal 1.00 sat/vB fee that you used

That might not happen for months in the best case, years in the good case and never in the worst case.

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Quote from: xixou on April 02, 2024, 08:45:42 AM

I made the payment to empty my wallet, this is why it is at 0 At the moment.
It was not the case before of course.

Yeah, I see you tried to do, but older format addresses you used needs higher fees.
You can wait a very long time for confirmation with minimal 1.00 sat/vB fee that you used, but you can always send more coins to your wallet and accelerate transaction if you are in a hurry.
Next time make sure to check mempool.space before making any (consolidation) transactions.

xixou

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I made the payment to empty my wallet, this is why it is at 0 At the moment.
It was not the case before of course.

dkbit98

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Quote from: xixou on March 30, 2024, 01:51:53 PM

Could it be that the delete transaction can only be done if you still have BTC in you wallet?
I get 0 for now.

Silly question to ask... it's impossible to make any transaction in bitcoin blockchain if you have ZER0 coins in your wallet, and zero really needs to be 0, not 0.00012 or similar.
You can't get in negative balance with bitcoin, like you can do with fiat currencies and banks accounts.

xixou

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Could it be that the delete transaction can only be done if you still have BTC in you wallet?
I get 0 for now.

LoyceV

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Quote from: xixou on March 30, 2024, 06:54:27 AM

(abandon transaction and increase fee (RBF was off) are grayed out

I've often noticed that too. I'm not sure when this feature can be used.

Quote

If I delete, will my sat be back in the wallet?

Yes.

After a month, Bitcoin Core should be able to forget this 1 sat/vbyte transaction. It's even under the purge limit.
Alternatively, you could probably import the private key into Electrum and create a new transaction there, but try first to wipe this transaction from your Bitcoin Core.

xixou

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Quote from: ABCbits on March 30, 2024, 04:57:13 AM

Quote from: xixou on March 30, 2024, 04:34:01 AM

I still see
You are currently on the waitlist. You will get notified once you are granted access.
Do you know how much time it takes to get access to the accelerator?
I have set a way to low fee and turned off RBF ... What a mess, there is no confirmation after 1 month ...

If 1 month already passed, most node already drop your transaction from it's node. Depending on which wallet software you use, you can "delete" that unconfirmed transaction and create new ones with better fee rate.

I use bitcoin core QT.
I do not see delete transaction when right clicking on it. (abandon transaction and increase fee (RBF was off) are grayed out)
Transaction is here:
https://mempool.space/tx/42888c7b1540f8d5b9e074d15c2d86d7b03878adf6f173c7316f09910c2dabd9
If I delete, will my sat be back in the wallet?

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Quote from: xixou on March 30, 2024, 04:34:01 AM

I still see
You are currently on the waitlist. You will get notified once you are granted access.
Do you know how much time it takes to get access to the accelerator?
I have set a way to low fee and turned off RBF ... What a mess, there is no confirmation after 1 month ...

If 1 month already passed, most node already drop your transaction from it's node. Depending on which wallet software you use, you can "delete" that unconfirmed transaction and create new ones with better fee rate.

xixou

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I still see
You are currently on the waitlist. You will get notified once you are granted access.
Do you know how much time it takes to get access to the accelerator?
I have set a way to low fee and turned off RBF ... What a mess, there is no confirmation after 1 month ...

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Quote from: buwaytress on January 24, 2024, 11:23:15 AM

Yesterday, I sent out an unusual (for me) tx (Segwit, lean, several outputs), costing just under 10000 sats at mempool's "high priority" fee rate. RBF-ing myself to bump up the rate to 10% more was only several thousand sats but Mempool's fee was 40k sats for that. So about 400% on top of the fee paid. It was as if, despite the tx already at what they considered to be a high priority fee, they insisted to bump it up much, much higher.

Take it as you will, I obviously would need to look at many more tx fee to make a good comparison. I just feel they don't really optimise.

Yeah, the dynamic price is a bitch when it comes to this, of course it's designed to be a profit service but it just covers to much the needs of the pool and too little of the client pockets.
The 50k sat per byte is the turnoff for small tx:
a ‎135 vB tx costs now 53 500 sat , $22.89
a ‎14.74 kvB costs now 450 000 sat, $321.33.
But still, way cheaper than the alternatives, Viabtc is asking for 4x!

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Quote from: stompix on December 04, 2023, 09:40:19 AM

I hope they add LN payments for that, the whole thing is a bit messy for those accelerators, if you can't send or receive money because you paid a low fee and now you need to pay a higher fee to get a payment though to get that previous one confirmed it turns to ~~funny~~ situations like this one:

Imagine you have some hosted wallet on an exchange, the dumb mofos send your withdrawal to your wallet with 10sat/b and now you need to accelerate it, you only have BTC there so you make another payment to mempool.space but again, the idiots send the tx with 10sat/b. So you need to accelerate the tx that should have paid for the acceleration Grin

It's really messed up - having the acceleration for the transaction held up in a queue.

The alternate solution in case they don't want to mess around with LN is to implement account credit. It has its own drawbacks, but at least you'll be able to top it up when fees are not crazy. Assuming you even remember to that is.

Quote from: buwaytress on January 24, 2024, 11:23:15 AM

Just happened to see this new service on mempool myself and of course, arrived here on the forum to see someone saw it almost 2 months ago. As others note, the price is actually really dependent on your tx and current fee rate.

Strangely, I have not really seen this feature on Mempool.space at all during that time. Maybe it was on their development version. By the way - did you know that the dev version of Mempool.space where they test all their features is on mempool.ninja?

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Quote from: buwaytress on January 24, 2024, 11:23:15 AM

Just happened to see this new service on mempool myself and of course, arrived here on the forum to see someone saw it almost 2 months ago. As others note, the price is actually really dependent on your tx and current fee rate.

Yesterday, I sent out an unusual (for me) tx (Segwit, lean, several outputs), costing just under 10000 sats at mempool's "high priority" fee rate. RBF-ing myself to bump up the rate to 10% more was only several thousand sats but Mempool's fee was 40k sats for that. So about 400% on top of the fee paid. It was as if, despite the tx already at what they considered to be a high priority fee, they insisted to bump it up much, much higher.

Take it as you will, I obviously would need to look at many more tx fee to make a good comparison. I just feel they don't really optimise.

I guess they just take the highest end of the spectrum and decide to use that as their basis for fee bumping to get the tx confirmed and not base it on the lowest fee possible to get the tx in the next block. That's lazy acceleration, and I understand that people want to gey their tx confirmed in a timely manner during the busy times, but it seems that I'll stick to Antpool's service if this is how high they put their fees to be.

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Just happened to see this new service on mempool myself and of course, arrived here on the forum to see someone saw it almost 2 months ago. As others note, the price is actually really dependent on your tx and current fee rate.

Yesterday, I sent out an unusual (for me) tx (Segwit, lean, several outputs), costing just under 10000 sats at mempool's "high priority" fee rate. RBF-ing myself to bump up the rate to 10% more was only several thousand sats but Mempool's fee was 40k sats for that. So about 400% on top of the fee paid. It was as if, despite the tx already at what they considered to be a high priority fee, they insisted to bump it up much, much higher.

Take it as you will, I obviously would need to look at many more tx fee to make a good comparison. I just feel they don't really optimise.

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BTW, visualization of expected blocks in the relevant row shown on mempool.space allows you to get to a whole series of initially hidden filters that allow you to highlight various types of transactions, for instance, by various sighash flags or those ones containing inscriptors (which are of concern to everyone, etc. (see all filters in the image below).

To make filters visible, click on the goggles icon located at the upper left corner of the visualized block.

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Quote from: Z-tight on December 09, 2023, 11:54:11 AM

But it is free, so i would not complain too much Wink

.

If you pass all of their restrictions for their free accelerating service, waiting should not be a problem.

Yes, indeed. But once their mining business become not profitable due to the free txs they accept with how many hours of not getting a block. They will end up limiting free txs or cap txs for every block they mine which end up, either longer confirmation for others txs Or they stop their free service.

Quote from: stompix on December 09, 2023, 12:49:35 PM

Actually a 1:10 should be ok, so a block evey two hours.
Viabtc got
- 50 blocks in th last 3 days (that's 50 in 408) ~12%
- 116 blocks in the last week, (116 in 992) ~11%
- 20 last 24 hours, again 12% out of 156

A block every two hours would be pretty doable, but with bad luck, there are gaps:
Yesterday: 12:47:30 > 19:14:18

This is a good insights and observation. Thank you.

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Quote from: PX-Z on December 08, 2023, 07:27:00 PM

Quote from: stompix on December 08, 2023, 09:02:25 AM

~

I experienced this one when i accelerate my transaction on monday it really take how many hours before my transaction got a confirmation. Checking the last few blocks, it looks like Viabtc doesnt get one, a 1:10 ratio is not even possible, its usually the Foundry, Antpool, and others.

Actually a 1:10 should be ok, so a block evey two hours.
Viabtc got
- 50 blocks in th last 3 days (that's 50 in 408) ~12%
- 116 blocks in the last week, (116 in 992) ~11%
- 20 last 24 hours, again 12% out of 156

A block every two hours would be pretty doable, but with bad luck, there are gaps:
Yesterday: 12:47:30 > 19:14:18

Quote from: mindrust on December 09, 2023, 04:12:59 AM

Electrum don’t even let me broadcast my transaction telling me that i am a cheapfuck who needs to raise the damn fee because greedy fuck miners say so or else they ain’t broadcasting my shiet.

So what should miners do, let you get confirmation cheaper than some other guy just like you who pays more?
As long as somebody is paying you more for the job, why would take the lower bid?
Should we make some social score on the chain and give guys how move only $50-$100 priority?
Should we make ratios, one tx per capita per day?

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Quote from: PX-Z on December 09, 2023, 11:25:12 AM

I guess so, i'm just concerned of how they performed on mining a block — on how frequent they get the mining reward, or it just other mining pool like faundry has more hashing power than other miners like viabtc. Well, to be honest i'm just concerned their free accelerators because it take so much time before it got a confirmation like i experienced before lol.

But it is free, so i would not complain too much Wink

.

If you pass all of their restrictions for their free accelerating service, waiting should not be a problem. ViaBTC has ~ 12% of the total hashrate in the network, which is smaller than what Foundry Pool has, which is ~ 25% of the total hashrate, so on average they would surely mine more blocks than ViaBTC.

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Quote from: LoyceV on December 09, 2023, 10:46:04 AM

They've had this service for years, but tightened the rules a bit. I guess it's a "trial" for their paid accelerator service.

I guess so, i'm just concerned of how they performed on mining a block — on how frequent they get the mining reward, or it just other mining pool like faundry has more hashing power than other miners like viabtc. Well, to be honest i'm just concerned their free accelerators because it take so much time before it got a confirmation like i experienced before lol.

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Quote from: PX-Z on December 08, 2023, 07:27:00 PM

Either they lower the accepted free txs every hour, say 50-80 only, have a cap for free txs in a block, or they stop their free acceleration service.

They've had this service for years, but tightened the rules a bit. I guess it's a "trial" for their paid accelerator service.

Topic: New transaction accelerator on the market - mempool.space (Read 694 times)