Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04212cb93b9c07a2626e34a418498591c4fad27087a56556096202e8a91a1d4fd08c3b191957c0cb3a77163eb2084b43166cac90e5e4faf38866fbdc3accc2d14f