# Retina docs > Documentation for Retina, a local-first portfolio tracker for crypto and adjacent assets. ## Docs - [Asset classes](https://docs.useretina.xyz/concepts/asset-classes.md): Asset class in Retina means economic exposure, not position type. - [Maturity and locked positions](https://docs.useretina.xyz/concepts/maturity.md): Where each maturity date comes from, and how the ladder buckets work. - [Position model](https://docs.useretina.xyz/concepts/position-model.md): The normalized shape of every position in Retina. - [Position types](https://docs.useretina.xyz/concepts/position-types.md): How a position is held, separate from what it is exposed to. - [Snapshots](https://docs.useretina.xyz/concepts/snapshots.md): The core mental model. Every page in Retina reads from the active snapshot. - [Portfolio tracker vs wallet viewer](https://docs.useretina.xyz/concepts/tracker-vs-viewer.md): Why Retina is not just another DeBank. - [Airdrops and rewards](https://docs.useretina.xyz/data-sources/airdrops-rewards.md): DropsBot, Merkl, and Pendle for claimable airdrops and protocol rewards. - [EVM wallets and positions](https://docs.useretina.xyz/data-sources/evm.md): Zerion powers everything EVM in Retina. - [Overview](https://docs.useretina.xyz/data-sources/overview.md): Every provider that powers Retina, and what it powers. - [Perps and staking](https://docs.useretina.xyz/data-sources/perps-staking.md): Hyperliquid public API for perps, staking, and spot. - [Prediction markets](https://docs.useretina.xyz/data-sources/prediction-markets.md): Polymarket public API for open prediction market positions. - [Prices](https://docs.useretina.xyz/data-sources/prices.md): How Retina prices crypto, stablecoins, and metals. - [Risk scoring](https://docs.useretina.xyz/data-sources/risk-scoring.md): Diapleo powers Risk Scores. Bring your own API key for wallet scans. - [Solana wallets and positions](https://docs.useretina.xyz/data-sources/solana.md): Several providers combined for full Solana coverage. - [Yield data](https://docs.useretina.xyz/data-sources/yield.md): How APY, pool stats, and maturity are sourced. - [Beta access](https://docs.useretina.xyz/getting-started/beta-access.md): How to get into the private beta. - [Introduction](https://docs.useretina.xyz/getting-started/introduction.md): Retina is a local-first portfolio tracker for crypto and adjacent assets. - [Quickstart](https://docs.useretina.xyz/getting-started/quickstart.md): From the password screen to your first snapshot. - [Dashboard](https://docs.useretina.xyz/pages/dashboard.md): Portfolio overview for the active snapshot. - [History](https://docs.useretina.xyz/pages/history.md): Snapshot-to-snapshot timeline of your portfolio. - [Maturity ladder](https://docs.useretina.xyz/pages/maturity-ladder.md): Every time-locked position sorted by how close it is to maturity. - [Polymarket](https://docs.useretina.xyz/pages/polymarket.md): Open Polymarket positions per wallet. - [Positions](https://docs.useretina.xyz/pages/positions.md): The Positions Explorer. The rawest view in the app. - [Protocols](https://docs.useretina.xyz/pages/protocols.md): Every protocol you hold positions in. - [Rewards](https://docs.useretina.xyz/pages/rewards.md): Claimable airdrops and unclaimed protocol rewards across all wallets. - [Risk scores](https://docs.useretina.xyz/pages/risk-scores.md): Wallet and protocol risk, powered by Diapleo. - [Wallets](https://docs.useretina.xyz/pages/wallets.md): Every wallet you track, with its chains and value. - [Local-first explained](https://docs.useretina.xyz/privacy/local-first.md): How Retina runs in your browser, with no account or database. - [Roadmap toward sync](https://docs.useretina.xyz/privacy/sync-roadmap.md): Multi-device sync without breaking the local-first model. - [Tradeoffs](https://docs.useretina.xyz/privacy/tradeoffs.md): What you give up to keep portfolio data on your device. - [Why it matters](https://docs.useretina.xyz/privacy/why-it-matters.md): Portfolio data is sensitive. Local-first means it is never joined server-side. - [Roadmap](https://docs.useretina.xyz/roadmap.md): What is coming next, roughly in order.