Question: A hacker cannot tamper with the data in the blockchain because Group of answer choices Miners need to solve a complex mathematical problem Different cryptocurrencies

A hacker cannot tamper with the data in the blockchain because
Group of answer choices
Miners need to solve a complex mathematical problem
Different cryptocurrencies may use different hashing algorithms
The data is controlled by a central authority
Each user has a copy of the ledger and data within the blocks are encrypted

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