Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 049c126348b6f2f0e06416535b810773328b7c1689e81ec533c6afa6fbb47b49acf2dddea7f38ac099c2b26a3186967731b90c6b94b4d01304e9e22134750546eb