Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04123cf1456bcfcc5c2f6a3c2f88340a5f23c8bd4256b8751eddaedfc315f68182bea74af2857f941138f5e847a592eb278b22e2bd7c21a552e00687c5a4a4dc9e