Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0428e7ef8a37ea835ef48d0ab9471a79dd0b73b4dbed0d312cb3f450fbef6304e1196e1a28694ce41f09c3478327d7d971d5b1ebe7dff98cbc7e422e67ac2d3361