Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 049b63db964b7e97ad69709febdf1e89869f187f63c253a702fd8b921ad2d7086dbd1a6c044e08d5444ffde29ca593aa7248a7597d48e9c5bacb47ac7ad74920b1