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I created an account on geth by geth account new, I can see the address by geth account list and this address is derived by using the public key. Is there a way I can check the public key of my account? Maybe from the key store UTC file? When I look at the UTC file

{"address":"dc49102c51879b374af57d7b076c7ead95d81970","crypto":{"cipher":"aes-128-ctr","ciphertext":"1d153ddbbefc99dbe46ecc302a373993c4e2be3d1074889df833d1a444013896","cipherparams":{"iv":"599c34ace50c08eea138697b81cf35ee"},"kdf":"scrypt","kdfparams":{"dklen":32,"n":262144,"p":1,"r":8,"salt":"253b9c98813b82eac1a165bb94a1bd8d52d9c74d764ae0f052275886d4cac0f2"},"mac":"68210a78ba5c2c2b14ef027e48e16ead7f38dfcf8d10e6d7d97f071be86b317d"},"id":"41931deb-63f0-4925-be7e-04e487e89fce","version":3}

Which is the public key or everything is encrypted?

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The UTC file has the private key encrypted with your password.

To access the private key from the file I've used keythereum. Then you can use elliptic to derive the public key.

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The value corresponding to the key "address" is your public key. In your case, the public key is

dc49102c51879b374af57d7b076c7ead95d81970

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