Quantum exposed: this address has revealed its public key in a prior spend. A sufficiently powerful quantum computer could derive the private key.
pubkey 047021c88bceac8e5ab6be362692436b765bc21a58a0b2c920bdd76fa96fcac40936f1cb7a91195371379e293e6905cfc7af1ea1c853a786a76826849c85420793