A developer testnet for the XRP Ledger went fully quantum-secure back in December 2025 — months before most people started paying attention to the threat. That quiet milestone now sits at the center of a broader conversation about how ready the network actually is. Related Reading: South Korea Imposes 5-Minute Audit Rule On Crypto Platforms Only A Fraction Of Accounts Hold Hidden Keys Reports from an XRPL validator show that roughly 300,000 of the network’s 7. 8 million accounts are currently shielded from quantum attacks — not because of advanced cryptography, but because their public keys have never been exposed