> For the complete documentation index, see [llms.txt](https://facil-team.gitbook.io/facilpay/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://facil-team.gitbook.io/facilpay/fundamentals/key-definitions.md).

# Key definitions

**Airdrop:** A method of distributing cryptocurrency tokens to users, typically as a reward, promotion, or incentive to drive engagement and adoption.

**AI-Enhanced:** The use of artificial intelligence to assist, automate, or optimize features such as user intent detection, transaction routing, fraud protection, and personalized experiences.

**Bridge:** A process that allows digital assets to be transferred across different blockchain networks, enabling cross-chain functionality.

**Fiat:** Government-issued currency that is not backed by a commodity, such as USD, EUR, or MXN.

**Gas Fees:** The cost paid to process blockchain transactions, typically required by networks like Ethereum. FacilPay reduces or eliminates gas fees through optimized routing and gasless infrastructure.

**Intent-Centric:** A design model where systems are built to interpret and execute based on user intent, rather than relying on traditional manual input.

**KYC (Know Your Customer):** A regulatory requirement to verify a user’s identity for financial compliance. FacilPay applies KYC based on user activity and access tiers.

**Message-Centric:** An interface design focused on chat as the primary interaction layer. In FacilPay, users can initiate payments and other actions through conversation.

**Messaging Layer:** The built-in infrastructure in FacilPay that enables real-time, secure chat, group messaging, file sharing, and in-chat transactions.

**Multichain:** The ability to support and interact with multiple blockchain networks within a single platform. FacilPay supports Ethereum, Base, Bitcoin, Solana, XRP, and more.

**NFT (Non-Fungible Token):** A unique digital asset recorded on the blockchain, often used for identity, access, ownership, or collectibles.

**Non-Custodial Wallet:** A wallet where users hold their own private keys and assets, with no custody or control by FacilPay.

**On-Ramp / Off-Ramp:** Services that convert fiat to crypto (on-ramp) or crypto to fiat (off-ramp), powered by third-party providers like Coinbase, Transak, Stripe, and MoneyGram.

**P2P (Peer-to-Peer):** A decentralized method of transferring crypto directly between users without intermediaries.

**Smart Contract:** Self-executing code on the blockchain that automates transactions, rules, or logic without third-party involvement.

**Stablecoin:** A cryptocurrency that maintains a stable value, typically pegged to fiat currency (e.g., USDC pegged to the U.S. dollar).

**Swap:** The exchange of one cryptocurrency for another within the same blockchain.

**User-Intent:** A design model where the platform executes tasks based on the user’s natural language input or behavioral signals.

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