Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 041b5470980e7b220eb46558eccffef6e47663a1976a7845e925a591d0995e415c8787bc14fe0b52b5d24db05d923ca4ab6cd8a3eed30ae4a13966b02d89d195a3