Hydration, a leading DeFi protocol in the Polkadot ecosystem, has launched its native stablecoin, HOLLAR, on September 22, 2025. HOLLAR is a dollar-pegged stablecoin that is overcollateralized, meaning it is backed by more assets than its value. The stablecoin is supported by major cryptocurrencies such as DOT, ETH, and BTC, ensuring its stability and reliability within the decentralized finance space.