Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0476d6680896bafa33e39a02f9f76b47561202b86ae0c0cefd35c56cd7783fcf7ebadade0564c557e7a6670b45ed7c559ed1ddd42ce660202d2a497e877f3fa5be