Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0428c6a269850d9c77c00d3e7a8d2b9928f30f96cb666ff89f8d712fa58f1b0216b755ff7a8a36d0103b3bffd0c7744ae5fd37301303819ba334cb0c8bd695e5e3