Sign has launched its 'Sign Sovereign Layer 2 Stack' on the BNB Chain, designed to enable governments to deploy national stablecoins and blockchain infrastructure swiftly. The stack, built on the opBNB Stack, integrates real-world asset tokenization, optimized stablecoin transfers, native permission control, and DID ecosystem integration. This architecture allows governments to maintain sovereignty over transaction processing while utilizing BNB Chain's liquidity, positioning it as a preferred settlement layer for global sovereign infrastructure and stablecoins.