Questions tagged [lightning-network]

Proposed payment system leveraging payment channels which allow re-negotiation of balances that finally get executed on the Bitcoin blockchain.

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0answers
21 views

Why is transaction pinning more of a concern at the commitment level rather than the HTLC level of Lightning?

In this week's IRC workshop on L2 onchain support t-bast and ariard agreed that transaction pinning is more of a concern at the commitment level (e.g. delaying the parent of a child CLTV transaction) ...
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65 views

Will the Taproot upgrade solve Bitcoin's scalability issues?

I understand that scaling Bitcoin is a complicated process so a single upgrade probably won't solve the whole problem, but what do you think the impact of the Taproot upgrade will be on Bitcoin's ...
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How to move sats from a lightning wallet back to BTC wallet?

How can I move sats from a lightning wallet back to a BTC wallet? I installed BlueWallet and put $20 of Bitcoin in my wallet. Then I created a Lightning wallet and moved most of the sats into the ...
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42 views

Why coinbase bitcoin withdraw fee is 10 time cheaper than my usual P2P exodus transaction?

Hi guys do you know why Coinbase bitcoin withdraw fee is 10 time cheaper than my usual P2P exodus transaction? Are they use a lighting network or ? How is it possible? For example the Binance withdraw ...
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I have to move homes, so my Bitcoin/Lightning node will be offline for around 1 day

I have to move homes, so my Bitcoin/Lightning node will be offline for around 1 day. What happens in this case to my Lightning channel? Will I be penalised for being offline by the system? How should ...
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1answer
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Does got any optimise method can swap/splice/loop channel without on-chain cost in lighting node?

if I got custom Node and Alice has 3btc and bob got 0btc and bob got 0btc with Tom 1 btc. Is it possible we can change channel for Alice 3btc with Tom 1 btc. And close Tom. And it doesn’t go to on-...
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35 views

Can Lightning work without the “network” part?

Let's imagine a minimal version of the Lightning network with a single "central" lightning node (say a service provider which we can call a Server) surrounded by thin clients (the actual ...
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2answers
36 views

Delay of a revocable transaction in the Lightning Network

The Lightning Network Whitepaper describes the concept of Revocable Sequence Maturity Contracts (RSMC), which allows a commitment transaction to be revoked during a predefined delay after the channel ...
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1answer
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Will the Bitcoin Network Security decrease after the last Bitcoin was mined? [duplicate]

As far as I understand Bitcoin mining the block reward consists of newly emitted and transaction fees. However, this new emission will disappear in the future and there will be only be the transaction ...
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1answer
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How to encode for LND `/v2/signer/verifymessage`?

Talking to just one node (baby steps), I want to call /v2/signer/verifymessage giving the output of lncli signmessage "Hello, Jessica". On the alice node on Polar, I get: ...
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If the Lightning Network is so great, why is it “level 2”, not stable and not built into Bitcoin Core? [duplicate]

Lightning Network, as it's described, seems to solve all the problems with Bitcoin. I'm unable to accept payments due to the insane fees, but would be able to if Lightning Network were supported. But ...
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Can ACINQ (Phoenix wallet peer) steal my funds during a recovery?

Phoenix wallet is a unique Lightning wallet in that, among other things, it allows the user to restore channels by simply entering their seed. According to ACINQ's blogpost, this is how they achieve ...
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38 views

Atomicity on HTLC payment chain

I have a doubt about HTLC on a lightning network payment. I have this scenario: Alice wants to pay 100 sats to David using a route she found with Bob and Chad, this would be: Alice -> Bob -> ...
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1answer
43 views

Lightning-Network Channel not being closed and balance in “limbo”

My node Caffeine has a channel in pending status (close txid: 0de535ea74d72a952157640187b5a207fe977870a5c9b92f0aa99b9707c94779) with The Cave since months! My local balance is stuck in a "limbo&...
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Data from lncli describegraph and 1ml.com [duplicate]

So I have extracted the Lightning Network graph using the method mentioned here https://gist.github.com/bretton/0b22a0503a9eba09df86a23f3d625c13 using lncli describegraph. The node count is 11093 but ...
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1answer
66 views

Does the future SIGHASH_ANYPREVOUT capability hurt the privacy of Taproot lightning channels?

One of the advantages I've heard about Taproot is that all transactions will appear identical to a blockchain observer. This would of course also be true for lightning channel open/close transactions ...
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2answers
260 views

Is Bitcoin-lightning still not scalable?

Bitcoin verifies about 220 million transactions a year. Even when using Lightning, wouldn't I want to verify my Bitcoins at least once a year on the Blockchain? With 8 billion humans verifying once a ...
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803 views

Does the Taproot update benefit all bitcoin users? or is it for a selective amount of people

I came across a blog post where it mentions that the taproot update is promised to speed up BTC transactions, lower their fees, etc. but does this mean that literally, anyone sending or receiving BTC ...
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1answer
41 views

How can I speed up payments to my c-lightning server?

I setup a BTCPayServer on an AWS instance with a pruned bitcoind and c-lightning. I setup an inbound channel from Bitrefill and everything does work but I'm disappointed about the performance. Using a ...
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1answer
35 views

Is one lightning network channel equal to one transaction?

I understand how a lightning network channel is like opening a bar tab, where you can make multiple transactions off-chain between two parties, and closing the channel puts the total tab on-chain. ...
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1answer
71 views

Set fee limit for Lightning Close Channel

How does a Lightning Network channel initiator set a limit on the fee rate they are willing to accept for the channel close? And a second question is how can the close fee be negotiated during a ...
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1answer
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Does “fail the channel” mean unilateral close in BOLTS?

The BOLTs frequently mentioned "fail the channel" when something unexpected is received or happens. For instance, when receiving an update_fulfill_htlc message, you should fail the channel ...
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1answer
43 views

What are the best practices to close and reopen channels in order to increase capacity

I am new in the lightning so I opened a small channel with 50k sats to get started. After some research and try-and-error I would like to increase the capacity of this channel. I know that this is not ...
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1answer
22 views

Lightning bumpfee completes but doesnt create a new transaction. Instead it waits in “pending sweeps”

I had a Lightning channel open transaction pending for 24 hours due to a low fee. So I issued a bumpfee for the output index like so: lncli wallet bumpfee --sat_per_byte <new_fee> <txid>:&...
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What are the different kinds of Lightning routing nodes?

I understand that there are end users at the edge of the network (typically with private channels) and routing nodes (with public channels) doing the routing of payments. What are the different kinds ...
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2answers
102 views

Did Bitcoin founders know Bitcoin is not scalable at Base Layer?

Given Bitcoin takes 45 min per Transaction, and consumes lot of energy (around 1 million Visa transactions), https://digiconomist.net/bitcoin-energy-consumption/ This is more of a history question, ...
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109 views

If Lightning Network takes transactions off Blockchain, would that defeat the whole purpose of having a Blockchain ledger?

Currently Bitcoin transactions can take around 45 minutes. If everyone in the world uses Bitcoin, computers would have to consume 1000 of terabytes per Hour. The solution is the Lightning network, ...
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25 views

Find Lightning node for channel creation based on amount and route

Is there a tool to identify a Lightning node that will accept a channel open request and that matches the two conditions below? Accepts channel amounts of less than or equal to X. Can route payments, ...
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1answer
111 views

How to open lightning network channel to a selected node in Electrum?

Electrum (version 4.1.2) Open Channel dialog only contains a dropdown "Trampoline" with predefined entries. How a new channel can be opened to a specific node?
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Is there a simple-to-use Windows-10 client for Lightning Network? [closed]

I'm having trouble finding a Windows 10 client for Lightning Network which is simple to use and which can be installed without needing to learn a lot about the underlying technical concepts. Is there ...
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3answers
190 views

Bitcoin Energy Consumption and Carbon Footprint a good long term investment?

How can Bitcoin a good long term investment, given one transaction is equivalent to carbon footprint of 986,125 VISA transactions? If they use the Lightning network which takes transactions Off the ...
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1answer
215 views

Does Bitcoin Core support BIP157? (some call it neutrino)

I want to allow my bitcoind node to support BIP157 so that i can allow some friends to connect their LND nodes to it. Does it support it by default? Or do i need to explicitly enable it?
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1answer
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How much privacy does Lightning actually have?

I can't find any information on what information is actually contained within a lightning transaction. Lets say Alice wants to pay Bob on lightning and routes through R1, R2, R3 in the following order ...
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1answer
88 views

Relocating Physical Node Location

Are you able to relocate your node's physical location (i.e., move from Oregon to New York) and keep all the channels you've established intact?
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Will “Taproot” replace Lightning Network?

Can somebody explain to me if Taproot will fix the issues that Lightning Network solves, without the Lightning Network? That is, near-zero fees, privacy and fast settlements? Will Taproot allow me to ...
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Why nobody uses LN on darknet?

Bitcoin on-chain transactions are not best option for payments because of fees and there are no confidential transactions on-chain so most of the darknet markets only use Bitcoin for multisig and some ...
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1answer
36 views

What if all transactions are off-chain in Bitcoin?

As we know, there are several off-chain solutions called payment channels in Bitcoin. The users can move off-chain their transactions and maintain a local ledger themselves. They only need to turn to ...
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1answer
59 views

Can lightning transaction participants link the transaction to on-chain funding transaction UTXOs?

I'm curious about whether participants in a lightning transaction gain information about the funding UTXOs of other participants. Let's say Alice pays Bob using Lightning, and Alice's payment is ...
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53 views

In concrete terms, how do I start using Lighting Network right now?

I have Bitcoin Core installed on Windows and it's fully synced. I am able to send and receive Bitcoin payments. I hate the fees and waiting, so I want to use Lightning Network. I've spent countless ...
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1answer
234 views

Setting up lightning with bitcoin-core

I have some questions about bitcoin-core and lightning-network-daemon. I have succesfully set up a bitcoin node running on Ubuntu Server 20.04 by following this tutorial: https://bitcoin.org/en/full-...
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How do I actually USE this Lightning Network?

https://lightning.network/ I've clicked every link. There is no download. Not even some beta CLI thing which requires Bitcoin Core to function, or anything whatsoever. If this is a thing and people ...
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1answer
34 views

How to verify a lnurl-auth callback with python

I want to create a Python implementation of an lnurl-auth server. I started a quick HTTP server to be the callback url, and captured the signed callback sent by BLW on Android. ?tag=login &k1=...
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How do I choose new lightning channels in order to minimize hops when rebalancing?

Currently my fees are quite high when I try to rebalance and I noticed that I can't rebalance some channels from any of my other channels. I have only six or seven channels and would like to expand to ...
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How to access my on-chain BTC private key(s) from my Lightning Node?

I deposited some BTC to fund my lightning node. Question: Where are the private keys for the public on-chain address provided by the node in case I need to withdraw the funds from the node?
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1answer
133 views

What's the advantages of using the block chain as opposed to L2 solutions

I'm looking for a good example and explanation from a software architecture perspective BUT for general audience about the benefits of solving and having blockchain features on Layer 1 not ...
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1answer
46 views

Is eltoo more memory efficient for watchtowers?

I vaguely remember a paper which stated that in their current implementation, lightning watchtowers require a lot of memory because they need to store information about (a penalty TX for) every ...
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2answers
53 views

Lightning network in real world

Newbie in this area. Trying to understand how lightning network would work in real world. If I want to buy a coffee on BTC network, I go and pay and unfortunately me and the cashier need to wait 5-10 ...
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1answer
339 views

How can I make my node a Lightning routing node?

I've spent some time setting up Umbrel on my rPi4, I've synced my Bitcoin Core wallet and funded two channels... Which I've now come to realize that's for me to make payments. I was really hoping to ...
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1answer
95 views

No path found when connected to the same node

I'm trying to understand how the lightning network works in practice, so I figured I'd just use some Electrum wallets on testnet. So here's what I did: set up two wallets funded them with some tBTC ...
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1answer
66 views

Other than relying on “side-chains”, is there any way that Bitcoin could solve “micro transactions”? [duplicate]

I am very aware of the Lightning Network, and have repeatedly tried to gain a full understanding of it and start using it. I find that, whether it's due to it being too complex or me being too stupid, ...

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