What is a 51% attack?
A 51% attack occurs when one entity controls over half a blockchain’s mining power, potentially manipulating transactions. Bitcoin (BTC) is vulnerable but secure due to its vast network. Smaller chains face higher risks. Ethereum (ETH) mitigates this via staking, while Binance Coin (BNB) uses a controlled consensus. Such attacks can double-spend coins, crashing trust and prices. They’re rare due to high costs but highlight decentralization’s importance. Worried about security? Stick to major coins!
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