Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 0490a8854b99347a9e25c40a6375b1cf9c820035c891ef9d02afa8bbb59251e646a8ef6a5e80c81bfc72f02196e4ab271b6cd3dcd75dd52a16b7a00bb2fca5ad9a