Bitcoin Cryptocurrency Mastering Development

How can you trust Bitcoin nodes?

If you send send a transaction request to a node, what is to to ensure that node doesn’t simply log your private key and do nothing?

What is to stop the entry node from taking a transaction intended to transfer 1 bitcoin, and transfer 100 instead? Or to stop the node from changing the receiver of the transaction to someone else?

Lastly, what is to stop a node from sending a completely made up blockchain?

Do you just have to choose a trustworthy node?

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