Thinklair - Why don't smart contracts have private keys?

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Thank you to KeĆ­r Finlow-Bates for sharing his videos.


"The other week I was asked by someone if a smart contract could sign a challenge to prove something, for example ownership of another contract. "

The answer is no, because a smart contract doesn't have a private key.

The person asking the question was quite taken aback by this fact, so I've made this video to explain why, and look at Ethereum addresses in general.