Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04121d0a80103d4b6213d812b131ceb73b6244e76f5be212ba282913527ad6cc600c1571b93e4ad2be6244ba7aef0e8ac0400f4b971b021797257f88a249745cc0