Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0431c407bb74fcc7e236304cbd7b1458f40eb76d852d3c890dd3200cf81994f2abd3e4e5d0924345d9a631714e43419b6c2378a09578bf9c980ca2a915e0348a7c