Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0426303a54a923b7cb93554611e148eeb61aeaf3ead9eb2906d5e3c355c639fc3a3f5fe0bc8e991d484d919a54b1d8d0ebaffdae1a7603cd43f48679f59f6c0649