Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0406d8d23fadbfda71f11a09f81ae152ba2005e1ee9d4829163262cf8873b1b69b77b34130a9856e76cb027fe07b8d01a01f417bcbc4f778169cba47051afdadf6