Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04206a18e0f1aac1ea11ba669ab3bb6b109866da9a48b8d35f0681427d8ec14fe1baeb3c1c66c7d4999b2d0517e65269516a8b775abe0cd7e8382badf552276c89