Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04155876057aa013eb37ac0b6b56166e55b3a50ea78fc9d84570e610c1f5637b8344ede4bfc5e1feca66cbe3c537330ef39a186c483591a770a46b04cd4d64dab2