Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 040878d5fdf0dacb4b1b965e0448b5855d19b58ab6e0a555bff19b302948a12bf419945aa24abb47c81597dc221ec390dbec28df9100a8e226f4276e58e8804aad