Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04c87697d1dc92623a26a8834548ef88b4117bfb84e20a708585e3daa21a6c5012cbf31dff9a816b5b28c1c397c6ccf9ce58ec6e7178a41bfd179f665a884798ea