Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04900907aaf183660167a24f3659be1c6747a16ab26c387e2e15e91a2a61f32212762295e6df2459d209ff721afbfca5eeeab45bf8643051cc80b65e2aebe211d5