Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04efcb5425eb944795e648f4cb53c19275c6c25636e4b614f1269590d348f42d193b9e3f1bf9efa19c9aaba7f7afa5893ffb7dfc835c88e741127559cb869311d0