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Noob question about Proof of Stake – what is the main mechanism to prevent rollbacks/reorganisation

Hi,

After the Binance hack of it was discussed if it would be feasible to reorganize the blockchain, find a consortium of miners that would start mining again from the block number before the theft happened.

It was concluded that it’s not possible or too complicated, the economics(mining costs too high) would not work and risks are too high.

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In a future scenario of Proof of stake, what is the main mechanism to prevent rollbacks or reorganizations of the blockchain.

Would a Binance hack of Ethereum be easier to roll back?

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Thank you for your answers

What do you think?

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ShopinBit integrates Litecoin to pay for 80000 products EU-Wide

Why don’t we just rename our bank accounts “lightning network”. That seems like a quick solution 😉