Questions tagged [replace-by-fee]

describes a mechanism to mark transactions as replaceable until they are confirmed.

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1answer
32 views

Will electrum wallet increment the fee automatically or do I have to do it manually?

Although I've broadcasted many transactions via testnet with RBF opted-in ( --rbf true), yet, given different incentives present among the miners of the testnet and of the mainnet, my experience so ...
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1answer
40 views

How to do RBF using the Ledger Nano / Ledger Live [duplicate]

Would anyone here please be able to tell me how to do RBF using the ledger nano- I can see the transaction has been stuck for about 12 hours now. The TX is ...
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24 views

Using RBF in python application

I'd like to create transactions within my python application, that support replace-by-fee RBF (BIP125). Apparently, if I want to be able to replace my transaction later on, I need to signal that ...
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0answers
39 views

A question about CPFP relaying policy

Let's say I broadcast a transaction tx0 signaling RBF replaceability. Later on, send another transaction tx1 that spends the same inputs of tx0, but this time with higher fees. In this case, tx0 is ...
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1answer
39 views

Prioritize transaction with low fee [regtest]

Tx1: send '{"bcrt1qgz8qhrqyglh7zu3alssydsfa7wk2auucftfnv3": 0.2}' null "unset" 1.1 { "txid": "d040ebe603f80bdf1a92877efeb2b4a27c32766202aeecf3a969b665a0d4c6d8&...
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1answer
102 views

What are we trying to predict in fee estimation and why?

There are different estimations used in wallets, explorers and other Bitcoin projects. For example: estimatesmartfee in Bitcoin Core This is the fee rate distribution right now according to https://...
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1answer
56 views

Why isn't Replace by fee default for all transactions?

I know it's a wallet implementation and a flag, but when it was introduced why wasn't this change a rule for all transactions so that anyone could RBF if they wanted to instead having had to set the ...
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1answer
50 views

How to test RBF on Testnet?

I'd like to do RBF testing on testnet. I'd like to simulate a transaction with too-low fees, aka "stuck" transaction, and then RBF it in various ways. Problem is, all testnet transactions ...
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1answer
24 views

Not sure where some of my transaction went

I just made a transaction of 61.80 Euros, but it charged me 88.01, And I'm not sure why. Some background: I'm using a service called HodlHodl to turn my mined bitcoin into money. I use Electrum as my ...
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2answers
84 views

Can Bitcoin transactions actually be reversed/“undone” by the sender by using/abusing the newish “replace-by-fee” feature?

I am watching a live stream of Roger Ver talking about Bitcoin. Yes, I know that a lot of people violently hate him and I will say that I don't like Bitcoin Cash. I sold all mine for Bitcoin very ...
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1answer
55 views

Where can I get a list of stale RBF'd transactions?

I would like to prove that a certain transaction was in the mempool on a certain date before it got replaced via RBF with another transaction. Is there any service that provides this data?
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44 views

My Bitcoin transaction remained unconfirmed for 20 days now [duplicate]

I sent a bitcoin transaction from one of my wallets into another wallet meant for trading. Its been 20 days now and the transaction remained unconfirmed. Please I need help because I sent this coin ...
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1answer
884 views

Replace by Fee- Unconfirmed Transaction

Would anyone here please be able to tell me how to do RBF using the ledger nano- I can see the transaction was RBF and has been stuck for about 24 hours now. The TX is ...
2
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1answer
167 views

Replace-by-fee and re-sending to another address

In Bitcoin Core (or Electrum) When sending a transaction with "Enable Replace-by-fee" checked, is it possible to resend the transaction (before it was mined) with a higher fee AND to another ...
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0answers
70 views

Can a 0 confirmation Bitcoin Core change output be spent?

I have a Bitcoin Core wallet which has a utxo which I spent from, in a transaction where around 1% was sent to an external wallet address, with the ~99% change output remaining in the wallet, sent to ...
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0answers
8 views

Regarding Stuck Bitcoin [duplicate]

I made a mistake in Set my Fee to low and it has been stuck for 9 days. What can I do someone please help? I just need some help regarding this matter. I'm a first time user and I just want to make ...
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1answer
60 views

What RBF policy will be default on SegWit v1 nodes?

What RBF node policy will be applied by default in order for a SegWit v1 transaction to relay when encountered. Full RBF, or Opt-in RBF?
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1answer
726 views

On my first shopping via bitcoin I get “The fee for this transaction seems unusually high. (20%)” What to do about it?

I have some bitcoins in a local Electrum wallet and wanted to do my first shopping with bitcoin from a shop offering payment via bitpay for an item costing (in USD) 20 dollar. So I went through the ...
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0answers
40 views

How many wallets allow the user to change outputs for RBF transaction?

I have not tried this option but read about it on twitter: https://twitter.com/bluewalletio/status/1304358287123648513 Not sure maybe this is the code that creates a transaction with different outputs ...
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2answers
43 views

Why are the fee value and modified fee value always the same?

I do not see any transaction in the mempool having differing values for the fee and modified fee fields. Does nobody modify or accelerate their transactions? How do transactions with modified fees ...
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1answer
64 views

Who bears the transaction fee for settling HTLC in Lightning Network?

Given a channel that exist between Alice and Bob, where Alice wants to transfer 0.0001 BTC to Bob. Alice makes HTLC payment to Bob contingent to the secret for the payment hash within a timelock of ...
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1answer
89 views

Replace-by-fee Problem

Good Day. Please i have an Account with BlockChain but i notice my account has a withdrawal of all my BTC which was not done by me. It has Replace-By-Fee What might have happened? How can i get my ...
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1answer
49 views

Can inputs to a transaction have different values for sequence?

I noticed that the sequence field is used to signal opt-in RBF. I would think that signaling RBF applies to the full transaction rather than particular inputs. If my transaction has two inputs, and I ...
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1answer
64 views

Monitoring BIP125 transactions in the mempool

Let's say I have a transaction with txid=A which has bip125-replaceable=True. If I bump the fee the original transaction will be removed from the mempool and replaced by the new one, so how do I know ...
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2answers
414 views

Checking if transaction is RBF

A transaction can be RBF if itself is a RBF, or it spends outputs from a RBF transaction. Is there a way to use bitcoin RPC node to check if a transaction is spending outputs from a RBF transcation?
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1answer
156 views

Is there a way to allow use of unconfirmed RBF outputs in transaction building?

Bitcoin Core seems to not consider unconfirmed outputs that are marked replaceable in input selection. Is there a way to override this protection and allow use anyway? The transaction is created using ...
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1answer
22 views

getbalance says 0 for incoming TX even though 0-conf is allowed

> $bitcoin_rpc.getnewaddress("myaddress", "bech32") => "bc1q9kvfyjxtk9tvkzgpkf4x8zs42sddwlyanz3z6z" > $bitcoin_rpc.getbalance => 0.0 > $bitcoin_rpc.getbalance("*", 0) => 0.0 &...
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1answer
362 views

Why doesn't RBF include restrictions on the outputs?

Why didn't the RBF specification include additional constraints on the replacing transaction, such as that it would need to contain the same outputs (with at least the original output amounts) as the ...
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1answer
115 views

Is “inherited” replace-by-fee signaling implemented as described in BIP125?

From Bip125: Explicit signaling: A transaction is considered to have opted in to allowing replacement of itself if any of its inputs have an nSequence number less than (0xffffffff - 1). ...
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1answer
421 views

Why mark a transaction as RBF (Replace-by-Fee) explicitly?

I could broadcast a second transaction that has the same inputs but a higher fee, without marking the original transaction as replaceable. Miners would most likely favor the second transaction and ...
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1answer
68 views

Can RBF be done by a third (or second) party

I've been thinking about the following usecase: could a retailer/merchant offer clients a "no bitcoin fees" option when paying with bitcoin? i.e. if something costs 1 BTC on the site, the user will ...
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0answers
97 views

Using bitcoind RPC to identify an incoming transaction that has been replaced using BIP125 Replace-By-Fee

In the context of running a web service that accepts payments in Bitcoin, how can we use bitcoind to identify a transaction that has been replaced using BIP125 Replace-By-Fee? When RBF is used, a new ...
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1answer
60 views

What is a fee market? Does it mean that blocks should be full, esp. after several halvenings?

As we all know, Bitcoin had experienced an unprecedented long-lasting congestion period in 2017. This seems quite horrible to some people generally, but it seems that such phenomenon was on the ...
4
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1answer
46 views

What incentive do miners have to respect the Replace-By-Fee flag?

Couldn't a miner treat all transactions in their mempool as if they had Replace-By-Fee enabled? After all they could always claim that they hadn't seen the original transaction.
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1answer
801 views

What is meant by transaction 'pinning'?

What is meant by the term 'transaction pinning'?
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1answer
44 views

What will be the fee in $ for a 500$ transaction? [closed]

What will be the fee in $ for a 500$ transaction ?
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1answer
1k views

Why some transactions disappear from the mempool?

Just before block 537562, I had the following transactions in my mempool: 'a4ca904361952c8a27bcf1fd36e5bc8ccdc5d42ceb72cfba60c017fb9cbbb0e5' '...
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1answer
86 views

How single usage of bitcoin address is resistant to quantum computing _and_ replace-by-fee?

It is often said that if a bitcoin user uses addresses only once, then quantum computer cannot compromise their security since the public key is revealed only when the money are actually spent. But ...
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1answer
89 views

How does one create another transaction when all funds are tied up in an unconfirmed previous transaction?

If I have only one UTXO and I spend from it that's fine, I send myself back the change and that works how I expect it to. However if I want to create a new transaction in the time that the first ...
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2answers
181 views

Wasn't 0-conf more secure than Visa, before blocks got full and RBF was added?

RBF and full blocks make 0-conf useless, because it's easy to override. Wasn't it once useful? I've heard without those it's more secure than Visa in terms of double spending.
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2answers
302 views

Are there RPC calls for correct RBF calculations in Bitcoin Core?

Imagine I have a "stuck" transaction using Bitcoin Core (with correct BIP125 signalling), and I want to "unstuck" it using RBF. Is there some RPC call for the correct fee calculation? Meaning, is ...
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1answer
110 views

Do miners prefer RBF transactions over non-RBF transactions?

Given a replace-by-fee (RBF) transaction and a non-RBF transaction with equal fees, do miners prefer the RBF transaction over the non-RBF one? Or is this entirely up to the particular miner?
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2answers
122 views

Can I save stuck bitcoins by creating a completely new transaction? [duplicate]

I tried to make a bitcoin payment but accidently set a too low transaction fee so it got stuck. By now the payment is cancelled so I don't want to do this transaction anymore. Can I now instruct my ...
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1answer
2k views

When closing the channel for LN - how to calculate the fee for the blockchain transaction?

To be clear: Following is not about fees in Lightning Network. Following is about fees on blockchain for transaction which closes the channel in LN. Channel closing transaction can be created months ...
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3answers
3k views

Increase a transaction fee in bitcoin core

I marked my transaction with "Request replace-By-Fee"* in my bitcoin core wallet, and now while I can increase the transaction fee, I can only increase it by a tiny bit, and I can't set it to what I ...
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1answer
236 views

When a transaction will reject if the fee was to low? [duplicate]

I would like to know when a transaction will reject if the fee was to low to be confimed. If this transaction never will be rejected, what is to do to delete this transaction?
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1answer
2k views

Increase transaction fee with Bitcoin Core client fails because of no change output. Why?

Context I created a transaction (using the full balance of an output) with the Bitcoin Core Wallet (running as full node). The transaction got into the mempool of major nodes, as expected. I set the ...
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1answer
80 views

why is this transaction I made being rejected?

I created an RBF transaction and bumped the fee, it was broadcast, no I am trying to bump the fee again a 2nd time however I get a "missing inputs error" Am I doing something wrong? here is the tx I ...
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1answer
81 views

Is it possible to get CPFP information from full node, without requesting full mempool dump?

I want to get CPFP information out of full node - that is, ancestorsize and ancestorfees - in order to calculate the necessary fee for either CPFP, or RBF if possible. Can I get this information ...
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0answers
258 views

(RBF) double spend transaction not showing up in searches

On my first ever attempt to send my mined bitcoins from my wallet to a bitcoin exchange site I underestimated the transaction fee that would be required to get the transaction processed. So, following ...