# Xpectrum ## Docs - [Overview](https://docs.xpectrum.xyz/contracts/overview.md): The four contracts that make up Xpectrum - [Xcollection](https://docs.xpectrum.xyz/contracts/xcollection.md): Per-drop collection contract - [Xlist](https://docs.xpectrum.xyz/contracts/xlist.md): Whitelist contract, one per collection - [Xmarket](https://docs.xpectrum.xyz/contracts/xmarket.md): Secondary trading contract - [Getting Started](https://docs.xpectrum.xyz/getting-started.md): Connect your wallet and start using Xpectrum - [Xpectrum](https://docs.xpectrum.xyz/introduction.md): NFT marketplace on Octra - [Legal](https://docs.xpectrum.xyz/legal.md): Terms of use and privacy policy - [Octra Network](https://docs.xpectrum.xyz/octra-network.md): The blockchain Xpectrum runs on - [Circles](https://docs.xpectrum.xyz/platform/circles.md): On-chain programmable spaces, gated by NFT ownership - [Launchpad](https://docs.xpectrum.xyz/platform/launchpad.md): Deploy and manage NFT collections on Xpectrum - [Marketplace](https://docs.xpectrum.xyz/platform/marketplace.md): Secondary trading on Xpectrum - [Roadmap](https://docs.xpectrum.xyz/roadmap.md): What's shipped, what's in progress, what's exploratory - [XNS-1](https://docs.xpectrum.xyz/standards/xns-1.md): The NFT token standard for Octra