Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0406671791aa6f3f686f4f5e0cdff3c6eb547c027da2d2b860a7542280e3b4d8f6d31d074050148554bf462d28a9617a45116ec44b71dcd71a5ad78baf5018ead9