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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2
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1answer
72 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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2answers
684 views

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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0answers
26 views

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
29 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
56 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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0answers
58 views

What are the main obstacles to supporting Lightning Network in Bitcoin Core?

I have found c-lightning doesn't support Windows, so there are few projects that support Lightning and are written in C/C++ and run on Microsoft Windows. It strikes me that it would be useful if ...
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0answers
38 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
62 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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2answers
61 views

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
19 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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0answers
30 views

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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0answers
34 views

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
97 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 ...
3
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1answer
35 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
46 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
92 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
43 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
48 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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0answers
32 views

clients that support the Lightning Network? [duplicate]

Which clients, besides Electrum, support the Lightning Network?
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1answer
50 views

What are all the payment channels implementations?

I know the Lightning Network (which Electrum wallet experimentally supports) is an implementation of a payment channel, but Mastering Bitcoin (2nd ed.) ch. 12, § "Routed Payment Channels (...
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3answers
54 views

Pegged sidechain vs. Lightning Network?

How is the Elements Project's pegged sidechains concept similar to and different from the Lightning Network's payment channels concept?
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1answer
77 views

Convert Electrum p2pkh wallet to p2wpkh one?

Is it possible, in Electrum, to convert a p2pkh wallet to a p2wpkh one, so I can use the Lightning network?
0
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2answers
102 views

What is the estimated USD fee price in BTC when Bitcoin is worth 1 million dollars in the future?

Currently, fees in Bitcoin are quite high ($1-$30) to move anything under $50 USD. If Bitcoin is worth 1 million dollars one day, how much would an on-chain fee be? Assuming blocks are going to be ...
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1answer
44 views

Is there an alternative to identify a lightning node without their IP or onion address?

In the country where I live, only dynamic IPs are assigned to most customers unless you are willing to pay a lot more for a business service. I guess not everyone in the world can get a static IP ...
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0answers
56 views

Lightning Network - revocation format

Lightning Network uses Revocable Sequence Maturing Contracts. The LN Paper specifies that: If one wishes to permit revocable transactions [...] the output transaction construction would remain a 2-of-...
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1answer
97 views

Why doesn't Bitcoin-Core support Lightning Network? [closed]

I first learned about Bitcoin in 2009. Ever since, I've (very) slowly pieced together information, while shaking off 99% disinformation, about how Bitcoin works. I run a Bitcoin Core fullnode and have ...
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1answer
31 views

Channel openning fee too low [duplicate]

I recently setup a bitcoin node (bitcoind) and lightning node (lnd) on a linux system. As lifetime windows user this was quite challenging! Anyway I tried to open my first channel about 4 days ago and ...
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2answers
52 views

Can Phoenix wallet steal my funds?

Phoenix wallet is a great UX Lightning Wallet, and they're able to deliver that UX by making a few different tradeoffs. None of those tradeoffs involve them owning your private key, but in their 2019 ...
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0answers
23 views

Why has there not been any confirmation for an entire hour? What do you recommend that I do to speed them up for myself and others? [duplicate]

I made a transaction an entire hour ago. Still in the damn "memory pool". I've had extremely varied experiences over the years with transaction speed, but I'm really starting to feel as if ...
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2answers
81 views

How exactly do I use Lightning Network? Does it even actually exist?

http://lightning.network/how-it-works/ Where is the download button for the official, highly trusted CLI application which works with Bitcoin Core? So that I can actually make Lightning transactions? ...
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1answer
50 views

Expand lightning channel capacity or open new channel?

when I got started with my lightning node last week, I made a channel with only 20.000 sats outbound liquidity to test things out. There is no inbound liquidity in this channel. Now I would like to ...
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1answer
194 views

Does, or will, Bitcoin Core support Lightning?

I vaguely understand what Lightning is, and would like to take advantage of it. However, actually using it seems extremely "fuzzy". If it requires some separate software to be trusted, ...
2
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1answer
62 views

How will a common guy use Lightning Network when BTC hits 10 mln$?

If BTC hits 10mln$ and transactions fees will be horrendous denominated in $, how a "common guy" will be able to opt in using Bitcoin, if even opening LN channel will be too expensive then ...
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1answer
33 views

Can I defraud the merchant, or the merchant defraud me, on the bitcoin or lightning network?

Suppose I am buying a smartphone from an online merchant I don't trust. Neither do they trust me. Suppose we're trying to defraud each other. There are two attempted fraud scenarios I can think of: ...
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3answers
459 views

Can a channel be closed while the funding tx is still stuck in the mempool?

I have attempted to open a channel recently, but accidentally set the fee for the funding transaction too low. Now the funding tx has been stuck in the mempool for over a week. Is there some way to ...
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1answer
82 views

Is there a reason that Bitcoin Core won't add built-in support for Lightning Network, is it dead, and what is the real website?

I've spent a lot of time recently trying to understand what Bitcoin Lightning is. It appears as if the main website for it is this: https://www.bitcoinlightning.com/ However, the site feels extremely &...
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4answers
452 views

Can miners collude to bypass the penalty based revocation system of the lightning network?

The core lightning security assumption relies on a punishment mechanism called “Justice Transaction”. However, how can you prevent a malicious user from colluding with a miner, and producing a block ...
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4answers
138 views

What is the point of “Bitcoin Lightning” and “Bitcoin Liquid”?

Even having been "into" Bitcoin since almost since the start, I constantly find new weird things mentioned which are just apparently taken for granted and exist suddenly and somehow have ...
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1answer
153 views

How does muun lightning wallet requires no trust and no backups?

https://muun.com/ claims it has a wallet that does not rely on backups. Here: https://blog.muun.com/why-not-just-a-mnemonic/ it says Muun is a multisig wallet with lightning support, so backing up a ...
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1answer
77 views

Best way to store fund on the lightning network

Suppose that someone want to store 0.1 bitcoin on the lightning network for a period of 1 year to use services such as buying and selling things but doesnt know which one and with who yet. What would ...
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0answers
28 views

Circular rebalance through 1 of 7 channels always times out

I have the following 8 channels open I am able to do a circular rebalance through the first 6 as expected The bottom 2 channels are to the same node Every time I try to do a circular rebalance (tried ...
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1answer
27 views

Why use `update_add_htlc` when paying directly across a channel?

If Alice opens a channel to Bob and sends a payment directly to Bob, the following messages are exchanged: +-------+ +-------+ | |---- update_add_htlc ------&...
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1answer
24 views

Why are `update_add_htlc` and `commitment_signed` separate messages?

BOLT #2 indicates that a node will send one or more update_ messages before a subsequent commitment_signed. Since it seems like sending a payment over a channel involves update_add_htlc followed by ...
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1answer
56 views

One seed phrase created two wallets with two script types

I have a wallet on blockchain.com and it is saved with the backup phrase. Due to issues I was not able to buy anything there, so I created an account at coinbase. This lead to the usage of coinbase ...
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1answer
503 views

Is an SSD required to run a bitcoin full node and a lightning node?

To run a full node and lightning node, I always read that people should use SSDs. Is that really required? And why is that? It's a slowly growing blockchain after all. I would have everything for an ...
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1answer
44 views

How can I determine the reason for a failed routing on c-lightning

I am running a c-lightning node (v0.8.2). I am routing a payment every few days. However, I realized that dozens of payments every day fail, many of them fail locally (I see the status 'local_failed' ...
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1answer
37 views

Is Lightning Offers an improvement over Key Send?

The draft for BOLT#12 (Offers) introduces a new payment flow where the receiver of funds posts an Offer. The Payer can then request a unique invoice and pay the invoice. There are significant ...
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1answer
69 views

How to resolve eclair-node-gui-0.3.3-12ac145.jar getting CAPSULE EXCEPTION after java update to version 11.0.9.1?

I've been running Eclair node release eclair-node-gui-0.3.3-12ac145.jar smoothly for some time now on Ubuntu 18.04.5 LTS, but recently had an update to the java version i was using to the latest (?) ...
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0answers
43 views

Preparing a transaction with many outpts

What would be the exact command to prepare a transaction with multiple outputs, to a specific address? I'm able to list all my outputs with lightning-cli listfunds, but I'm not sure how to include ...
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1answer
47 views

How to get a full view of the lightning network with c-lightning?

As I understand lightning a node should in principle have a complete view of the lightning network graph (i.e., all nodes and channels). However, I also understand that for practical reasons the view ...

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