Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 04214a7592ea70236e33f79e57d6a68d46dee0be2819b08ef4e4f59290b81af000a1ea41b0b0960b95c6dbcb7e7e8d6c6f18722d737d36f085f6d2599280dbbcda