Bitcoin remains the most recognized and valuable cryptocurrency. Yet, the heavy load on its network often slows down transfers, meaning that coins may take a long time to reach their destination. Engineers will likely come up with a lasting fix for this issue in the future. Until then, users who want faster delivery of their transactions can turn to Bitcoin transaction accelerators.
Not all of these services are free to use. Paying miners an additional fee usually speeds things up, but the cost can be significant. Sometimes the extra expense is justified, while in other cases it makes more sense to look for free options. Below, we’ll show where such accelerators can be found and highlight the most reliable ones.
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What is a transaction accelerator?
A transaction accelerator is a service that helps increase the priority of your Bitcoin transaction, reducing the time it takes to be confirmed. In the Bitcoin system, miners verify transactions and secure the blockchain in exchange for transaction fees and block rewards. Naturally, they tend to process higher-fee transactions first.
For a transaction to be valid, it generally needs at least three confirmations. When the mempool becomes congested with unconfirmed transfers and you’ve set a lower fee, your transaction may sit in the queue for hours before being added to a block.
This is where BTC accelerators come into play. They rebroadcast your transaction, making it more visible to miners. Many of these platforms are run by miners themselves, offering both free and paid versions. Paid accelerators usually give your transfer higher priority, while free services provide only a small boost. In either case, the transaction is re-signaled to the network as pending.
Free Bitcoin transaction accelerators
As mentioned earlier, a free Bitcoin transaction accelerator is essentially a reminder service for delayed transactions. Here are the most popular free ones:
- BitAccelerate – possibly the best service in this niche. Your reminder is guaranteed to reach miners; the rest is up to them. https://bitaccelerate.com
- Blockchain – you can attempt to speed up your transaction in hexadecimal format (characters 0–9, a–f) and broadcast it through the Bitcoin network. https://www.blockchain.com/explorer/assets/btc/broadcast-transaction
- Pubtx.com – a relatively new service. It allows free rebroadcasting of your stuck transaction to 15 open nodes. https://pubtx.com
Since these services are free, you can use all of them simultaneously to increase the chances of miners reacting. However, if the network is heavily congested, this may not help much.
Paid Bitcoin accelerators
Using such services can greatly improve the chances of getting a quicker confirmation. The outcome still depends on several variables, but adding an extra fee almost always pushes your transaction higher in the queue. Here are the most commonly used accelerators:
- ViaBTC – a large Bitcoin mining pool offering affordable transaction acceleration, with free acceleration also available. https://www.viabtc.com
- AntPool – another major mining pool created by a well-known ASIC miner manufacturer. Reliable, but prices are higher than ViaBTC. https://v3.antpool.com
- Binance Pool – recently launched a paid BTC accelerator, though currently available only to verified VIP clients.
- ConfirmTX – a paid Bitcoin accelerator operating since 2017. Clients are guaranteed a full refund if confirmation is not completed within 24 hours. https://confirmtx.net
How a BTC accelerator works
If your transaction is stuck, it may eventually be dropped from the mempool. In such cases, you need to retransmit it. Free accelerators do this without extra cost – just provide the transaction ID (TxID), and it will be broadcast to network nodes. Paid accelerators boost the priority, meaning miners are more likely to pick it up quickly and include it in one of the nearest blocks.
Frequently Asked Questions
How to avoid stuck transactions?
If you need a transfer to reach the recipient quickly, set a higher miner fee when sending.
Can I cancel my acceleration request?
No, you cannot cancel it. For free services, it makes no difference, while any extra fee is non-refundable.
Why does transaction confirmation take so long?
As more cryptocurrency users trade Bitcoin, the number of transactions has grown exponentially over the years. This leads to network congestion and delays.
What is a Transaction ID (TxID) and where can I find it?
A TxID is a unique identifier for a financial operation on the blockchain. It looks like a long string of characters.
You can find it in your wallet’s transaction history or through a blockchain explorer. Since all Bitcoin transactions are public, anyone can locate a TxID using the sender’s address, time, and amount. It will also appear in the recipient’s transaction history.
Conclusion
Now you know how Bitcoin transaction accelerators work and how to find free ones. That said, in 2025 it might be smarter to hold Bitcoin instead of spending it. Countries such as the United States, Japan, and Brazil are exploring whether to add Bitcoin to their reserves, while El Salvador and Bhutan have already done so. If the U.S. Treasury begins buying Bitcoin, many others could follow, driving the price up significantly. Still, keep in mind that any investment in Bitcoin or other crypto assets involves risk.
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