Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0423c9b9a583a4f5c072b971fa44ba5c3be7131a9508ff835552eb6fc449bb09b06224e79900f595495f091340b8ad9fbffe1e0f7a6fe8284f50048219786a1678