Episode 77: Peer-to-peer Encryption
Bitcoin Explained - The Technical Side of Bitcoin
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Bitcoin Core: A Project to Convert Public Keys to Random Data
The public key is created from the private key, but that actually looks through the way function. It doesn't look random because roughly half the numbers are a real public key. If you have a random number and the other half are not a real publickey, then it's hard for eaveshoppers to figure out which one of them is Bitcoin. The entire handshake looks like completely random data rather than a public key followed by random data.
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