Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047a90166663ba8b12f6daa9fb48520528af9993b7afff2c4d912d997598bf0af8394467fb2fe4bfd5d385bd71e69a968bf707cecff77409fe664b46d5e6a9b098