Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 049b6308090ffdce66a23661b2198f1f9ff3cea91fe287e3154b119ac5c3150fd72858e558eb468f014072f739fa9a5e31bb97d3a3c9ce3bc8bae0acd51ecf939b