Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 041b3b85741ad55283699c96be1736760f968bbb36541dd85ccd7574f19fd1bf95d323595c06d18b0e1c52fdbbbf42bc2be271657ecd88f017b9f793c66193a907