Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 043b71e03855058d3b616a6171fd99c70c5d7b0c2d2a0b83e918f82d3a5dc5e85dc1d335d20793e76ae63f4e8e39aab54711d73a8795e9fc49c372e8f4c8bdf523