🔎 What is a 51% attack?
It’s when someone controls more than half of the network’s hashrate. This allows them to reorder transactions, perform double spends, and trigger chain reorganizations. What it does 𝗻𝗼𝘁 allow: creating new coins, canceling confirmed transactions, or directly stealing funds.
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⏺ Why does it matter?
It used to be assumed that the high cost of such attacks made them unprofitable. Qubic just proved that when computing power can be shifted between AI workloads and mining, that barrier disappears. Economics no longer guarantee security.
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For Monero, this is a heavy blow. Already under regulatory pressure and delisted from most major exchanges, it now faces a new narrative – vulnerability at the protocol level. Even without double spends, trust has been shaken and delisting risks may grow.
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On a broader scale, this questions the resilience of all PoW chains, even Bitcoin. If Monero can be attacked, other networks with less decentralized hashrates could be next.
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What’s next for Monero? 🪙
The network could introduce upgrades, improve hashrate decentralization, add defenses against concentration, or even explore hybrid consensus. Or it could do nothing – risking a slow decline.
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History shows 51% attacks aren’t always fatal. Ethereum Classic survived several. But for Monero, given its controversial regulatory status, the fallout could be harsher.
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📌 Bottom line
The attack on Monero isn’t just local news – it’s a warning for the entire industry. The economic barrier once thought to protect PoW chains no longer works. The real question now: how do we secure decentralized networks in a world where computing power sits in the hands of a few?

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