Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 041b16c5f43122aa5fa8c660493379c1cd5dd5ee6d741272370e2ba9e24ec35df8a5457956d1a88e7b4eec14259dc13ff84ff622c70af7a6d4bb4333d8ba309001