Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0448731872e15e456892cdc4ea4eaa969237a40ba284ed46f3c9187e58a01e9ef1db8aa4f83dbee8594908a1e489c1493902632146c62a2595ffd3d284c4da51ac