Topic: Bitcoin Transaction Accelerator. Does it Work or Just Another Hype? (Read 264 times)

Ever get the feeling that this Bitcoin game sometimes whisks us back to the era of the excruciating dial-up? Waiting for a crypto-epoch for your transaction to be green-lighted, akin to enduring the prehistoric AOL loading page. Brings back memories, doesn't it... Moving on to these mystical Bitcoin accelerators. Do they deliver? Picture them as the schoolyard genius who boasted about overclocking your rig by installing some additional "RAM" (which translates to: dubious software). Some disciples believe in their miraculous prowess, but I'm yet to be convinced about their miracle cure-all abilities.

When it comes to giving your transactions a caffeine jolt, there's always the alternative to bump up your transaction fee. It's somewhat like slipping the nightclub doorman a Jefferson to expedite your entrance. Plusher fees could potentially flag down a miner's interest, hence oiling the wheels.

And finally, the million-dollar question: Can accelerators clip transaction fees? Hypothetically, they could, by pumping up confirmation speed during periods of network traffic jams. But be warned, there's no such thing as a free Bitcoin, so while the buzz train is in full throttle, keep your wits about you and your digital wallet padlocked until you're entirely sure of the deal!

And what is even more important for some who think that their transaction will be confirmed instantly, the confirmation depends on when Via finds the next block, which could be within a few minutes, or after a few hours. It happened to me many times that the transaction went through before Via found the block, but that doesn't mean it doesn't work as some still claim.

In addition, this issue was relevant as early as 2017 and there have been many discussions since then, and the fact is that many have learned to use RBF and CPFP, because there is not much interest in transaction accelerators as before.

I've used several services before. So, I can say that Bitcoin transaction accelerator can be a helpful tool in certain situations. It main purpose is to speed up transaction confirmations by prioritizing them for inclusion in the next block. However, its effectiveness depends on various factors, such as network congestion and miner acceptance. It's not a guaranteed solution but can provide relief in urgent cases. But do keep in mind that since the accelerator is an external service, there might be a fee associated with using it.

You are referring to CPFP ~ Child Pays For Parent, which involves spending some of the unconfirmed transaction outputs so the miner has to confirm the parent transaction and the new one. You have to use an attractive (expensive) enough fee to compel a miner to include both transactions in their block. This is not a better alternative to a free service where you just have to submit your txid.

ViaBTC does not increase the transaction fee paid, it includes the transaction into their candidate block for confirmation.

- Jay -

It's something you can do yourself by placing another transaction with a much higher fee than the one that's stuck on the network, I don't see any need to use Bitcoin transaction accelerators if you really understand how the blockchain functions.

I have used the ViaBTC accelerator in the past and it works, but it was so magical to me at that time because I don't know much about how Bitcoin works, but today I have finally understood that a lower transaction fee is why your Bitcoin is stuck in the network.

Some of the users of the transaction accelerator were saying in the thread that the service was successful and they came thanks the project manager. As for except the bump fee if the fee was low and also rebroadcast transaction are the major manual ways I know so I don't know which of the other channels to fast track the transaction without increasing the transaction fee. Though I can't judge from far until I also use the service to confirm.

I have heard that these accelerators just rebroadcast your transaction again in the network. Can’t say surely about the acceleration feature, but yes rebroadcasting the transaction does help for many people to speed up their transactions. If you ask me manual method, then if you using a wallet which supports RBF then yes by this, you can increase the transaction fees and can speed up the transaction. But I would always ask you to use high fees if you are in a hurry for the coins to be sent to someone.

Not expensive?
I've picked a random 1 input 1 output tx from the mempool and this is what the paid service will ask for:


Promotion, mainly for other services as miners are not really happy about it, see this:
https://bitcointalksearch.org/topic/m.57304026


≤0.5 KB, they are not accepting anything bigger, also over 10sat/b not vbyte, and not CPFP tx!

ViaBTC offers a paid service too. The free one is limited to 100 transactions per hour which meets their specification. The paid service does not have the transaction size or feerate limit.

They do have a size limit. ViaBTC only accepts transactions that are less than or equal to 0.5kb.

- Jay -

Never understood what's the point of a transaction accelerator, from the pool's part. They have nothing to gain. It's basically like giving free bitcoin, and as far as the mempool is concerned, 100 transactions for free is rather lots of money.

By the way, I don't see them having a size limit. You could create a large transaction, broadcast it and have them accelerated for you? Has anyone tried this?

When it's free and viabtc is only offering it for free then don't be surprised that not every one who tried acceleration didn't find it successful whereas paid ones will work but they are too expensive than paying the highest transaction fee on the congestion so it's not a solution for campaign manager to save fees and the possible solution is to use bech32 address which saves fee and biweekly can be good option too.

My ViaBTC accelerator experience is the same as mentioned above.

Some weeks back when the fees sky rocketed and the mempool was congested I have tried their free service ( 100 freebies every hour ) and my transaction got confirmed within 30 minutes.

Couldn't say anything bad about it and will definitely use the service again if needed. Even the paid one is not expensive and definitely worth using.

In other words, not another hype. Don't even thing it ever was a hype tbh.

The Tx Accelerator of ViaBTC pool is the only one you can trust but it has two following conditions about transaction size and minimum fee rate. Lastly it has a limit of 100 free transactions per hour, not too much.

If you don't want to use ViaBTC's Paid Tx Accelerator service, you have those limitations from their free service.

Always broadcast your transaction with opt-in Replace-by-Fee. You can bump fee rate by yourself or submit it to ViaBTC.

Yeah, I have the same question because I have never heard a campaign manager to ask the users to wait for a month to receive their payments. Our signature campaigns have been working on the basis of weekly payments since the start and I have never seen a campaign whose payments are done on monthly basics. The campaign managers have been sending the payments even in the congested networks and they are well aware of the conditions of the network. They even pay higher fees sometimes when the network is congested.

@OP, the only trusted accelerator service known in this forum and is currently working to accelerate the transactions is the ViaBTC txaccelator. The best thing about their service is that it's totally free and anyone can use it to accelerate the stuck transactions. The only drawback with their system is that users can accelerate up to 100 transactions within a hour. But, I personally think that 100 transactions is far more for such a service and only few people know about it and use it on daily or weekly basis.

I think other pools should also offer such services for the advanced users because such service could be very helpful in the times of network congestion. I hope that in coming days other pools might consider offering such acceleration service for free, and the users whose transactions are stuck could get accelerated even if Via BTC txaccelator gets busy sometimes in speeding up of transactions.

The outputs are many and some managers can send the coin from more than one address which adds to the transaction fee. When bitcoin mempool was above 300 sat/vbyte, campaign managers complained, they use high fee and the transaction took time to confirmed after paying more than $100 or $200. If there is any need, I can look for some transactions like that.

Example of a campaign that asked their participants about what to do is this: https://bitcointalksearch.org/topic/m.62224465

What can help is for the campaign manager to use either RBF or CPFP like Bestchange did. Participant in a campaign can not use CPFP because the fee will take all the coin send to the participant, it may even require more fee because the transaction weight of such transaction is huge. In one of Royse777 campaign, SFR10 did something like that using his his own coin paid to do CPFP.

https://bitcointalksearch.org/topic/m.62173376

Can you substantiate these claims? I've never heard of a campaign that asked users to wait a month for payments.
Transaction fees are low compared to what is paid weekly to subscribers, so no matter how expensive the fees are, I do not expect them to reach $100, and therefore most of them will not have a problem with the fees, no matter how high they are, and there are solutions such as CPFP by users or RBF by the campaign manager. Therefore, High fees is only problem for users who use it periodically for daily transactions that are less than the transaction fee or are repeated several times a day.

The fee you included in your post is not correct. On the website:


0.0001 BTC/KB is the same as 10 sat/byte.

1. One can work as it claims and one can scam. Overall, bitcoin transaction accelerators have relationship with mining pools and if you pay the service fee, they'll include your transaction in the next block they mine.
2. Manual ways are to use a wallet that support Replace By Fee function and make transaction from this wallet or your second option is Child Pays For Parent. In this case, the receiver can pay higher fee but receive less satoshis. It works like, imagine I send 1BTC to you but fee isn't enough, so, you use Child Pays For Parent option, pay 0.1BTC in fees from that transaction and finally you receive 0.9 Bitcoin.
3. Bitcoin transaction accelerators always cost more than network fees, that's why they make money. If the recommended minimum fee is 100 sat/vByte to get transaction confirmed in 1 hour but 150 sat/vByte gets your transaction confirmed in next block and your transaction has 50 sat/vByte fee, be sure that transaction accelerator services will charge you way more than 150 sat/vByte.

It doesn't work like that anymore, they have certain requirements that your transaction has to fulfill in order to get accelerated, that's why you will always see that they constantly have more than 90 free submissions left
For example, the volume of transaction should be lower than 0.5 kb and the transaction fee rate should be ≥ 10,000 per KB.

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@Charles-Tim
Thanks, edited

It's not a tx accelerator, it's just rebroadcasting txs. It even says there on it's page:


Unfortunately, a tiny difference, it will not be as cheap as ViaBTC is right now.
From what I understood in that video, it will make you pay the minimum next block fee, so you basically won't save a thing and you will also pay an extra 50k sat. It's going to be good for those that can't RBF or don't have control over the tx but it won't save you money at all.

ViaBTC do not rebroadcaste transaction like that, they online include the unconfirmed transaction of people that submitted their txid into their candidate block so that if a block is mined by them, the included transactions will be confirmed.

Provided if the transaction size is not more 500 bytes and the transaction fee is not less than 10 sat/byte.

This is true and worth mentioning.

But there was a day I wanted to accelerate a transaction, I check the recent mining pools that have just mine blocks, ViaBTC was not among the last 10, Foundry USA is the most common and likely has the highest hashrates. But because ViaBTC has not mined for long, I knew it will be very soon that ViaBTC will soon mine a block and it mined the next second block. So it depends too.