Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0421062ac4bfcf6e764c81684e35898e4cf72523ca0cbfc92d8da6bd5c5e7c4dcd1a1cd621bc562fa7cd6e796ab25a46b234a58686cc5898d2ec66a5a2eedc9e67