Strengthening Stablecoin and Deposit Networks BTQ has demonstrated how this approach can be applied to multiple models, including a JPMorgan-style USD deposit token (JPMD) and leading fiat-backed stablecoins. In these demonstrations, privileged actions are co- signed with both today's standard keys and a post-quantum signature, providing a standards-based path to meet U.S. quantum-resilience mandates without a costly system overhaul. Users continue to hold and transact as usual; the issuer upgrades its auth ...