The occasions of April 26, 2024, on the Litecoin (LTC) community turned a transparent lesson for the trade. A zero-day bug within the MWEB privateness module led to a three-hour chain reorganization and a lack of $600,000 within the NEAR Intents protocol.
Commenting on the incident, a number one XRP Ledger contributor and dUNL validator referred to as Vet defined why such a situation is technically unimaginable inside the XRPL structure.
How XRP prevents the zero-day assault seen in Litecoin
In response to the knowledgeable, the principle situation with Litecoin and Bitcoin lies within the probabilistic nature of transaction finality. In PoW networks, safety immediately relies upon available on the market worth of the asset. If the value drops, it turns into much less worthwhile for miners to safe the community, and the price of a 51% assault decreases. Within the case of LTC, attackers used a DDoS assault on trustworthy miners to power nodes to simply accept a “longer” however invalid model of the blockchain.
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“The XRP Ledger is constructed in a different way,” Vet emphasizes, and right here is why:
- Absolute finality: In XRPL, validated blocks are protected against reorganizations. Transaction historical past can’t be rewritten just because somebody directs extra computational energy.
- Independence from worth: The safety of the ledger stays unchanged no matter XRP’s worth.
- Limitation of energy: Validators in XRPL are deliberately restricted of their authority. Within the worst case, they will solely briefly halt the community, however they can not carry out double-spending or alter transaction historical past.
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Regardless of its immunity to 51% assaults and reorganizations, XRPL shouldn’t be fully invulnerable and continues to be uncovered to particular dangers resembling validator collusion, spam assaults aimed toward briefly overloading nodes, and logical errors in sensible contracts (Hooks) and amendments, resembling these seen with AMM swimming pools in 2024.
All comparisons apart, the Litecoin case serves as an final reminder that within the crypto trade, safety is a steady means of confronting new risk vectors, regardless of how dependable the underlying algorithms could seem.