Proof of Stake based blockchain systems use what design to permit valid write transactions?

Proof of Stake based blockchain systems use what design to permit valid write transactions?A . A genesis “Stake” node approves or disapproves transactions announced from other nodesB . Validator nodes each give or pay a stake in order to write transactions, and if malicious, will lose their stakeC . Stakeholders or early product investors...

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What are some likely repercussions that could occur as a result of a 51% attack to the Bitcoin network? (Select three.)

What are some likely repercussions that could occur as a result of a 51% attack to the Bitcoin network? (Select three.)A . Unplanned ForkB . Double SpendingC . Cancelling TransactionsD . Planned ForkE . Selfless Mining View Answer Answer: A,B,C Explanation: The 4 main attacks that can happen directly as a result of the...

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