Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 040d921bbd60acdae2dff2fdaeed436beec023122ea9208621f66e6e43325142f44a9b2a5a7baeb4c5dfd650b1344463d24ba399f304035bb256a6c3a0e49f2420