> For the complete documentation index, see [llms.txt](https://zether-usd.gitbook.io/zether-usd/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zether-usd.gitbook.io/zether-usd/zether-usd-core-features.md).

# Zether USD Core Features

* **Symbol**: USD.Z
* **Peg**: 1:1 with USD
* **Chains**: Binance Smart Chain (BSC), Polygon, Arbitrum, Base, Avalanche
* **Token Type**: ERC-20 and chain-equivalent standards
* **Backed by**: On-chain reserves (e.g. USDT, USDC, DAI) and off-chain attested fiat accounts
* **Designed for**: Traders, DAOs, dApps, businesses, and institutions

USD.Z is engineered to function as a universally accessible, highly interoperable stablecoin that meets the demands of both retail users and institutional finance. By operating across leading EVM-compatible chains, it ensures deep liquidity and seamless usability in diverse DeFi environments. Its reserve structure combines transparency with security, supported by multi-asset stablecoin collateral and independently attested fiat holdings.

The design of USD.Z also emphasizes performance and low-cost operations, with deployments on chains known for speed and low gas fees. This makes it ideal for everyday transactions, yield farming, algorithmic strategies, cross-border settlements, and real-time payments. Whether powering on-chain economies or serving as a digital cash alternative, Zether USD delivers flexibility, scalability, and trust.