Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 041b9a0e8a255d0cdafc8f7785c116ccf05210daab38aba5f924171ed9feba195b47f0d63c46109c5dd999f6720b18ca26a21938a560ff517d9fe2c786a6cac1f9