Learn

Foundation

• Overview: What Stable is and how to read this documentation.
• Key features: Headline specs: single-slot finality, USDT0 as gas, full EVM compatibility.
• Difference from Ethereum: What stays the same and what changes when you port from Ethereum.
• Core concepts: USDT0 dual role, guaranteed blockspace, transfer aggregator, finality.

USDT0 behavior

• USDT0 behavior on Stable: Dual-role balance, reconciliation events, and contract design rules.
• USDT as gas: Why Stable uses USDT0 to pay for gas and what that means for fees.
• Flow of funds: How USDT moves end-to-end across Stable.
• USDT0 features: Every USDT0-specific feature with links to each.

Architecture

• Technical overview: Consensus, execution, database, and RPC layers in one page.
• Core optimizations: The performance work behind sub-second finality.
• Finality: Single-slot finality, reorg behavior, and what "confirmed" means.
• Gas pricing: Base-fee-only model priced in USDT0.

Use case narratives

• Payments: Why Stable fits P2P, subscriptions, invoices, and pay-per-call.
• Payroll: Batched and scheduled payroll runs on Stable.
• Sponsored transactions: Letting applications cover gas for their users.
• Private transfers: Upcoming confidential payment flows.