To mine this huge transaction for free, the spammer also needed a nice pool that allowed him to wipe up all these spammy UTXOs. The spammer used simple brain wallets in order to manipulate the pool and accomplish his cause. In normal cases where the addresses are random, they get stuck in the network forever.
Lee mentioned his Litecoin is immune to this type of attack because of the fix that was patched on the network following similar attacks.
Lee gave a clear explanation about the superiority of his Litecoin network compared to Bitcoin network in terms of preventing the spam attacks. He used one of the txns that was spamming the network for the vindication. The spammer only had to pay 0.000299 BTC ($0.08) in order to create 34 economically unfeasible to redeem UTXOs.
“The reason why Litecoin is immune to this attack is because Litecoin was attacked in a similar fashion (though to a much smaller degree) years ago. And I noticed this flaw in Bitcoin and patched it in Litecoin.”
“There’s code in Bitcoin that says if someone sends a tiny amount of coins to an output, make sure that he pays the mintxfee. This makes sense because you wouldn’t want someone creating “dust” spam by sending small amount of coins. But the code still only enforces the same mintxfee if you send to many small outputs. The fix is simple: require a mintxfee for each tiny output. Because of this fix, Litecoin’s UTXO set is much more manageable than Bitcoin’s.”
When Charlie Lee created Litecoin, the silver reflection of Bitcoin, he had only one thing in mind and that was to improve the resiliency of the whole cryptocurrency network.
At the recent MIT15 Bitcoin conference in Boston, Lee mentioned his purpose when inventing Litecoin. In his keynote address, he explained that Litecoin has a much larger limit of 84 million, which is four times the limit of Bitcoin. He believes this size differential plays an important role in terms of providing security to the network. And whenever Bitcoin market seems to be on a roll, Litecoin follows. The market statistics proves it. In the past month, Bitcoin’s market price increased by 20%, whereas Litecoin’s market price increased by 400%.
He wanted to express the value of an altcoin. He saw some vulnerability in the Bitcoin network, but because he didn’t have any authority, he couldn’t do anything about it. So, in an attempt to show the loopholes of the Bitcoin network, Lee created his own cryptocurrency along with a new set of developers to take the code in a new direction.
A week ago, Lee wrote a post on Reddit in an attempt to provide a solution to the Bitcoin network’s current spam attacks. This was the same idea that Lee suggested three years ago in response to a pull request to codebase on GitHub. However, at the time his idea was rejected by the developers. Now he’s fully confident that his Litecoin network is immune to this type of attack. He mentioned that in his post:
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