> For the complete documentation index, see [llms.txt](https://picks.gitbook.io/picks/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://picks.gitbook.io/picks/tech-and-builders/providers-and-services.md).

# Providers & Services

### Providers & Services

Picks is built as an onchain first system with a clear separation between core protocol logic and supporting infrastructure.

Onchain components handle execution, settlement, and balance state.\
Offchain services are used only where required for performance, availability, and data integrity.

No offchain service has custody over user assets or control over settlement logic.

***

#### Authentication and Wallets

**Privy**\
Used for authentication and embedded wallet infrastructure, enabling seamless onboarding while maintaining non custodial access.

Wallet connections remain user controlled at all times.

***

#### Blockchain Infrastructure

**Chainstack**\
Provides RPC and node infrastructure to support reliable onchain interactions and network access.

This layer ensures consistent connectivity to supported blockchain networks.

***

#### Cloud and Deployment

**DigitalOcean**\
Used for backend services and operational workloads that support platform availability and performance.

**Netlify**\
Used for frontend deployment, CDN distribution, and edge delivery to ensure fast and reliable user interfaces.

***

#### Data and APIs

**Optic Odds**\
Official sports data provider used for player metrics and event settlement.

All Picks resolve using verifiable, authoritative data sources.

**CoinMarketCap**\
Used for token pricing references and display purposes only.

***

#### Databases

**MongoDB Atlas**\
Supports offchain indexing, analytics, and system state tracking required for performance and reporting.

No critical game logic or settlement decisions rely on offchain databases.

***

#### Design Principle

All providers are selected to support a system that is:

* onchain at its core
* transparent in execution
* deterministic in settlement

Offchain services enhance performance and user experience, but do not introduce custody, discretion, or settlement authority.