RJ Hamster
Litecoin’s Bad Weekend Doesn’t Mean Bitcoin is Broken
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Litecoin’s Bad Weekend Doesn’t Mean Bitcoin is Broken
‘If it can happen to Litecoin, it can happen to Bitcoin.’ So, can it? If Litecoin was exploited, can the same thing happen to Bitcoin?
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Litecoin’s Bad Weekend Doesn’t Mean Bitcoin is Broken
Last weekend, Litecoin had a moment which no one saw coming.
Attackers found a flaw in its Mimblewimble Extension Block (MWEB), the privacy layer Litecoin bolted on back in 2022.
What it meant was that outdated mining nodes accepted a malformed transaction. The attackers pegged coins out of the privacy layer, fired them across to decentralized exchanges, and tried to double-spend against cross-chain swap protocols.
Double-spend is something that’s never supposed to happen with proof-of-work protocols. And remember, Litecoin is a fork of Bitcoin…
This then led to a 13-block reorganization. About three hours of chain history erased.
The Litecoin Foundation called it a zero-day exploit[C1] , but GitHub commit history showed the patch had been sitting around for roughly five weeks before the attack[C2] .
It was a bad look. And as you’d expect, some pretty bad takes out of it also, namely discussions around, ‘if it can happen to Litecoin, it can happen to Bitcoin.’
So, can it? If Litecoin was exploited, can the same thing happen to Bitcoin?
Intentionally Boring
The vulnerability in Litecoin was in MWEB.
That’s a bolted-on privacy extension specific to Litecoin. Bitcoin does not have it and has no equivalent.
The flaw lived in the code that validates coins moving between Litecoin’s base chain and its confidential side-chain. Without that side-chain, there’s no peg-out logic to exploit in the first place.
When critics try to draw a line from this exploit to Bitcoin, the line they’re drawing is roughly ‘both chains use proof-of-work and rely on miners running compatible software.’
Now, that is true, they both share that similarity. But it’s also about as useful as saying both a Ferrari F80 and a Ford Fiesta have four wheels.
Bitcoin’s security model rests on two things Litecoin doesn’t have at the same scale…
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The first is hash rate. Pulling off this kind of reorg on Bitcoin would mean controlling more economic energy than several mid-sized countries, sustained, while burning billions in hardware and electricity for nothing the moment honest miners came back online.
The second is simplicity. Bitcoin has been ruthlessly boring on purpose, with no exotic privacy extensions and no parallel consensus rules running alongside the base chain.
Every change is fought over for years before it ships. That stubbornness is what people criticize Bitcoin for, and it’s exactly why this kind of exploit cannot happen to it.
Litecoin took a swing at being more interesting than Bitcoin. But that’s exactly why it was able to be exploited.
Bitcoin is Safe Here
There is one thread from this that is worth pulling on, and it’s not the one the FUD merchants are pulling.
The Litecoin attackers didn’t break cryptography or proof-of-work. They exploited a coordination failure. A patch existed for weeks, yet some miners had it, some didn’t, and the attackers worked out who was who and coordinated the attack accordingly.
Bitcoin operates on the same model. Independent mining pools, independent node operators, no central authority forcing upgrades.
So, this is a timely reminder that demands the wider community stay sharp, run current software, and keep an eye on what core developers are shipping.
If anything, the Litecoin incident reinforces the Bitcoin thesis rather than threatening it.
Complexity opens more doorways for potential attacks. The more bells and whistles you bolt onto a base layer, the more places an attacker can find a foothold. Bitcoin’s refusal to add complexity has always been treated as a weakness by people who want it to do more.
Last weekend, that refusal looked a lot like a feature that reinforces that Bitcoin as a network is as safe as they get.
Trust in crypto,
Adam Atlantic
Source:
*Disclaimer: Please read the offering circularand related risks at invest.modemobile.com. This is a paid advertisement for Mode Mobile’s Regulation A+ Offering.
Mode Mobile recently received their ticker reservation with Nasdaq ($MODE), indicating an intent to IPO in the next 24 months. An intent to IPO is no guarantee that an actual IPO will occur.
The Deloitte rankings are based on submitted applications and public company database research, with winners selected based on their fiscal-year revenue growth percentage over a three-year period.
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Mode 2025 EBITDA includes full year EBITDA of businesses acquired in 2025.
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