Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.

Replies (116)

x's avatar
x 7 months ago
It is. CLN and LND paying a single invoice together 🧑‍🤝‍🧑. Theoretically extendable to any number of mints.
Seems rather historical. nevent1qqs0q3y69zzwnxfq63xhx2kcgtprtrsfm0q22ms9a7kxyv7tpdhnucgpz3mhxue69uhkummnw3ezummcw3ezuer9wc0ld0ff
🐈's avatar
🐈 7 months ago
Multi-nut-verse
Why would someone need this? Wouldn't it cost more in fees?
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
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Corrado Alvaro's avatar
Corrado Alvaro 7 months ago
So it’s like I use money from Citibank, Bank of America, and Chase all at once to pay someone an amount that’s more than I have in each individual account? 🤯 Remind me why people still use banks? 🤡
👀
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
View quoted note →
Nutspread. 🥜💦 image
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
View quoted note →
Is the payment compared on the client or do the mints have to be aware that this is happening? Next cool step: spend USD or EUR balance first and only pay the missing part from sats balance.
Spicing it up:
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
View quoted note →
Al's avatar
Al 7 months ago
Fucking awesome!
Insane. Imagine trying to pay a bill from multiple fiat bank accounts at once… Not to mention doing so in a privacy respecting way nevent1qqs0q3y69zzwnxfq63xhx2kcgtprtrsfm0q22ms9a7kxyv7tpdhnucgpz3mhxue69uhkummnw3ezummcw3ezuer9wc0ld0ff
This is huge and completely redefines the landscape on Cashu v fedimint All your eggs spread across many baskets that can be used in concert, or all your eggs in one big basket protected by multiple entities? In Cash, one mint rugging means you lose all that is on this mint, but only that. On Fedimint you lose nothing until a majority of guardians rug, in which case in you lose everything. Now that both approaches achieve the same level of practicality, the determing factor is your threat model. And that's great 🔥
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
View quoted note →
@calle when do you think this will be available in the PWA? nevent1qqs0q3y69zzwnxfq63xhx2kcgtprtrsfm0q22ms9a7kxyv7tpdhnucgpz3mhxue69uhkummnw3ezummcw3ezuer9wc0ld0ff
Default avatar
No 7 months ago
i know I'm childish ...but multi-nut got me laughing all day ...ty
rfc's avatar
rfc 7 months ago
Very Nice!!!
Default avatar
Ben freeman lee 7 months ago
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I think it’s insanely cool but I’m trying to think how onboarding my non bitcoin friends would go mostly around the idea of having to set up a node and manage inbound outbound liquidity. I know there’s Zeus and LSPs but still there’s a lot of learning all the same really. Cashu though, I think is pretty incredibly powerful for onboarding lightning and bitcoin “look here’s some digital ‘cash’ it’s actually real bitcoin, but not need to get technical right now” … next time “oh yea so here’s a few things you can do, go straight to full custody bitcoin by … etc etc” I reckon gifting sats to my mates through cashu being my first attempt at onboarding them. Thanks @calle
basically a year ago this only worked with LND for up to 1000 sats or so using a terminal
x's avatar
x 7 months ago
Unfortunately it's the same reason to keep the Twitter channel, you reach a lot of people.
Sure, ecash was meant to be used in small payments or for small amounts usually to be used without fees at the sacrifice of you needing a custodial for your balance (the mint) thus it is recommended to have small balances on these mints. Lighting on itself was meant to be non-custodial therefore incentivizing a higher capacity for sats on it, it has small fees, but comes with the headache of managing and rebalancing channels. So what its shown here is that if you have balance split among multiple mints, you can use this balance from them to pay a single invoice in lightning, thus reducing the risk of being rugged by the total amount by a single mint custodian, and not having to manage a lighting node to make big and fast payments.
cargodog's avatar
cargodog 7 months ago
Is the expectation that users will always pay to lightning invoices? Or will Cashu nuts direct to the payee eventually take over?
cargodog's avatar
cargodog 7 months ago
nevent1qvzqqqqqqypzpgjrtm0hlzuym8rnsffs9ys0ujxh6rsfzgthwmau4vlxm807szqzqqs8j658hu58fqeyt4vjrtqwwmh0094gc0gny4cs49nhw9wux5fexjcjnw8u5
THIS IS AWESOME. THINK I'LL DUMP NO MORE (OR LESS) THAN 58,000 SATS INTO ANY GIVEN MINT.
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
View quoted note →
=============================== #7 ⚡ Most Zapped Last Week =============================== Nostr’s Value4Value (V4V) model is all about plebs directly rewarding creators for the value they receive, no middlemen fees, no ads, just pure community-driven support using sats via the Bitcoin Lightning Network. Thanks to by @PABLOF7z for providing this data. Here are the top zapped posts from last week, showcasing creators who received the most engagement: 🔥 Top 3: Most Zaps 1. Zaps Received: 132 Sats Earned: 51k View quoted note → 2. Zaps Received: 100 Sats Earned: 13k View quoted note → 3. Zaps Received: 49 Sats Earned: 7k View quoted note → 💰 Top 3: Most Sats 1. Sats Earned: 441k Zaps Received: 192 View quoted note → 2. Sats Earned: 200k Zaps Received: 12 View quoted note → 3. Sats Earned: 51k Zaps Received: 132 View quoted note → #most-zapped_nostr_recap
x's avatar
x 7 months ago
It's already in the release. Although most mints won't be upgrading for some time. Don't have control over that.
This is the most popular post on Nostr this past week. Bullish.
calle's avatar calle
Holy shit it's working! Paid a 100k sats Lightning invoice from two different Cashu mints at the same time. Enter atomic multinut payments. All Cashu wallets let you use multiple mints. To reduce rug risk, we encourage users to leave only small amounts on each mint. This introduces a big UX challenge which forces users to distribute funds on different mints in a smart way. It's particularly problematic when you're trying to pay a bigger Lightning invoice from your small balances. Who has time for that? The Lightning protocol allows nodes to split a single payment HTLC into multiple parts to increase the chance of reaching the destination, called Multi-Path Payments (MPP). Typically, that's done from one sender to one receiver. What if... you can just break the rules? A multinut payment originates from multiple Lightning nodes to pay a single invoice, atomically. Even if none of your mint balances can cover an invoice, as long as your total balance is large enough, you can pay the invoice. I don't think anyone was crazy enough to do this before. Pretty sure what you see here is the first invoice being paid using a CLN and an LND node at the same time. Amazing work by the team, special thanks to @x.
View quoted note →
Naja es ist ja leider nicht Self custodial, also wieder eine Abhängigkeit und ich muss meine btc tauschen. Double spending ist auch möglich. Klingt nicht gut.