Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0477ddca78dd13fb9a202865d6c14220d620088d53155cbf436e1f2155c6fa6f3173bcc7a571dcedef835f11ed8d11bf035643e0859679d27e552af1cf06f2b937