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6 votes
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Get public key of msg.sender in a smart contract

Contracts cannot access the public key of the sender, since the raw transaction data is not visible to contracts. However, given the public key, you can verify that it does in fact match the address o …
Tjaden Hess's user avatar
  • 37.3k
2 votes

Is the address under the Ethbase account in mist a public address?

Yes, all of the addresses shown in Mist are public keys. The encrypted private keys are stored in the keystore folder Linux: ~/.ethereum/keystore Mac: /Library/Ethereum/keystore Windows: %APPD …
Tjaden Hess's user avatar
  • 37.3k
5 votes
Accepted

Can I easily generate a public address which has no private key?

TLDR: Use address 0. Depending on your definition of a private key, then yes or no. The public key is generated from the private key by scalar elliptic curve multiplication. P = k * G We know tha …
Tjaden Hess's user avatar
  • 37.3k