Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047644d55076efbc9e9dee491487ecfda917137f927cdf9d7a8fbd9aa018ad9e3fab153a0dd30b9062680b7d856a4998a4296da0bcebb7c8dcf444587701998bf3