Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04cb21bf703601f1a46952640b4de433cf0a98e4b845b8a0b1bc8974d08837771bb42abbe5dccfd6db525b45b76cde2a1e647a05a6a307ba9474593cd0fc6da7b9