Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0453457c6b78055d99a8bff0602d9777314a8458014888fb746beace4e9971dcef20cd7fd1660161c4584a3652dba06bcc80b2424f3639fb210e66446a9e96e347