In cryptography, messages are secured by a combination of public and private keys. Your crypto private key is a randomly generated string of letters and numbers, or sometimes in the form of a 12/24 word seed phrase, that acts as a password to your crypto wallet. It is used in a cryptocurrency transaction for proof of ownership. There is never a valid reason to share your private key or seed phrase with anybody. It should be defended at all costs because with your private key, anybody can take all your funds.
“If you lose your private key, you lose your Bitcoin. Never share it with anyone.”
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