Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04164fa49a121d78c8b7ceb434384344e0b1f718814ce0349f679e19643d094196bdb7ad19e6af2c0e57d02ada8f7d7bafb0eaaf7a3dd4955dac45f580fd8b3b24