Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 043521c9729dd2cc383b1ba1704541e891944bc80eb43100ea7e1d166cf3cf8f601c7d09b8e072acad35bbc13c8a31e6076c56eba4ca935737c70025af62787fdb