# USB.Trade Docs ## Docs - [About Us](https://docs.usb.trade/about.md): The team and values behind USB.Trade - [Overview](https://docs.usb.trade/architecture/index.md): How the core USB.Trade components fit together - [Proof & Sequencing Layer](https://docs.usb.trade/architecture/proof-layer.md): Risc0 attestations and MaldaLab orchestration guarantees - [Sentinel Engine](https://docs.usb.trade/architecture/sentinel-engine.md): Policy-driven monitoring and intervention - [Smart Margin Accounts](https://docs.usb.trade/architecture/smart-margin-accounts.md): Non-custodial vaults that unify collateral and policy control - [Universal Orchestration](https://docs.usb.trade/architecture/universal-orchestration.md): Coordinating cross-chain borrowing and margin flows - [Problem & Vision](https://docs.usb.trade/index.md): Why USB.Trade exists and the future we are building toward - [Product Overview](https://docs.usb.trade/introduction/product.md): How USB.Trade delivers plug-and-play margin - [Roadmap](https://docs.usb.trade/roadmap.md): Key milestones from testnet to cross-venue sentinel - [Funding](https://docs.usb.trade/user-journey/funding.md): Step-by-step flow for depositing collateral, sourcing borrow, and activating trading balances - [Onboarding](https://docs.usb.trade/user-journey/onboarding.md): Step-by-step setup of your Multichain Margin Account (MMA) and venue connections - [Repay & Withdraw](https://docs.usb.trade/user-journey/repay-withdraw.md): Step-by-step guide for closing borrow legs and releasing capital - [Setting up Sentinels](https://docs.usb.trade/user-journey/setting-up-sentinels.md): Step-by-step configuration for policy envelopes, modules, and receipts ## OpenAPI Specs - [openapi](https://docs.usb.trade/api-reference/openapi.json)