Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047c77a4e9ca7d00752f228f22e8e1c7838a6e04bcdd0e6e8442f280d715279a668f4b07d3d279874970a8bd013b54b149f1fb2c16029933efc052ea44a6d2cb1a