> For the complete documentation index, see [llms.txt](https://docs.unstable.run/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.unstable.run/resources/glossary.md).

# Glossary

## A

**Anchor tick** — The Uniswap V3 tick at which every Unstable pool is initialised. Set to `-407,600` (assuming the token sorts as `token0`), corresponding to a \~$2K starting market cap.

## B

**BPS (basis points)** — 1/100th of a percent. 8000 BPS = 80%. Used in the LPLocker's split ratio.

**Bytecode-identical** — Two contracts that share the same runtime bytecode. Unstable disables Solidity's source-metadata trailer (`bytecode_hash = "none"`), so every launched `UnstableToken` is bytecode-identical to every other. This is what lets StableScan auto-verify subsequent launches.

## C

**Cache-Control** — HTTP header Unstable's API routes emit with `s-maxage` and `stale-while-revalidate` directives, so Vercel's Edge CDN caches the response across regions.

**CREATE2** — Ethereum's deterministic-address contract deployment opcode. Unstable uses it for every launched token so the address is predictable from `(deployer, nonce, name, symbol)`.

**Creator (fee recipient)** — The wallet address entitled to 80% of every fee collection. Defaults to the launch deployer; can be updated later via `updateCreator(token, newAddress)` on the LP Locker.

## E

**EIP-2612 permit** — The ERC-20 extension that lets holders approve transfers via signed messages instead of on-chain `approve` transactions. Unstable's token contracts inherit `ERC20Permit`; USDT0 also supports it.

**Etherscan V2 API** — The unified API surface that serves every Etherscan-family explorer (including StableScan) through `https://api.etherscan.io/v2/api?chainid=988`. Requires one API key that works across all supported chains.

## F

**Factory** — The Unstable Factory contract at `0x4865b8974C1a8309E8791443577E3385c80436FB`. Every launch goes through it.

**Fair launch** — See [Fair-launch model](/under-the-hood/fair-launch.md).

**Fee tier** — The bps rate a Uniswap V3 pool charges on every swap. Unstable pools always use the 1% tier (10,000 bps, tick spacing 200).

## G

**Gas** — Transaction fees. On Stable, always paid in USDT0.

## I

**Initial buy** — Optional atomic swap the deployer does inside their own launch transaction. Capped at 5% of supply. See [Optional initial buy](/launching-a-coin/initial-dev-buy.md).

**IPFS** — InterPlanetary File System. Content-addressed storage. Unstable pins launch logos to IPFS via Pinata and stores the resulting `ipfs://Qm...` URI on-chain.

## L

**Lightweight Charts** — TradingView's open-source charting library. Unstable renders every token chart with it.

**LP (liquidity position)** — In Uniswap V3, an NFT representing your share of a specific price range in a specific pool. Unstable mints one per launched token, single-sided, held permanently by the LP Locker.

**LPLocker** — The Unstable LPLocker contract at `0xbB027B8210E98a19d7B90929B8baA77Ec09F0f96`. Holds every launched token's LP position; splits and routes fees 80/20.

## M

**Market cap (mcap)** — `current price × total supply`. Unstable tokens have fixed 1B supply, so mcap = 1B × price.

**Multicall3** — Standardised batch-call contract deployed at `0xcA11bde05977b3631167028862bE2a173976CA11` on every EVM chain. Used by viem/wagmi to batch reads.

## N

**NFPM (NonfungiblePositionManager)** — Uniswap V3's canonical contract for minting and managing LP positions as ERC-721 NFTs. On Stable at `0x3BdC3437405f7D801b6036532713fc1F179136a6`.

## P

**Pinata** — IPFS pinning service. Unstable's `/api/upload` endpoint proxies uploads through Pinata using the platform's own JWT — end users don't need a Pinata account.

**Pool** — In Uniswap V3, the contract holding the liquidity for a specific `(token0, token1, fee)` triple. Every Unstable token has exactly one pool: `(TOKEN, USDT0, 10000)`.

## R

**RainbowKit** — Wallet connection UI library used by the Unstable frontend. Bundles MetaMask, WalletConnect, Rabby, and injected fallback.

**RPC** — Remote Procedure Call. The endpoint you send transactions and queries to. Unstable uses the public `rpc.stable.xyz` by default; Alchemy is recommended for production.

## S

**Single-sided liquidity** — A V3 position with 100% of the value on one side (in Unstable's case, the token side) and 0% on the other. Starts out-of-range and activates when trades push the tick into it.

**Slot0** — The V3 pool's core state read: `sqrtPriceX96`, `tick`, and observation cardinality. Used to derive the current price.

**SSR (server-side rendering)** — Next.js's default mode; every page renders on the server first, then hydrates on the client.

**Stable-while-revalidate** — HTTP caching directive that tells a CDN "serve this stale response while you fetch a fresh one in the background". Combined with `s-maxage` in Unstable's API routes.

**SwapRouter02** — Uniswap V3's canonical swap router at `0x32eaf9B5d5F2CD7361c5012890C943D7de84C22a` on Stable. Handles every buy and sell.

## T

**Tick** — Uniswap V3's discrete unit of price. Each tick represents `1.0001^tick` in the raw price ratio. See [Pool & starting price](/under-the-hood/pool-and-price.md) for the math.

**Tick spacing** — The gap between usable ticks in a given fee tier. 1% pools use tick spacing 200.

**TokenLaunched event** — The single event emitted by the factory per successful launch, carrying every metadata field. See [Events & indexing](/on-chain-reference/events.md).

**Treasury** — The wallet address entitled to 20% of every fee collection. Platform-controlled.

## U

**USDT0** — Canonical Tether representation on Stable chain. Dual-interface: 18 decimals as native gas, 6 decimals as ERC-20. Address of the ERC-20 side: `0x779Ded0c9e1022225f8E0630b35a9b54bE713736`.

## V

**Vercel Edge cache** — Vercel's CDN layer that respects HTTP `Cache-Control` headers. Unstable API routes emit `public, s-maxage=X, stale-while-revalidate=Y` so responses are served from the CDN across the world.

**viem** — TypeScript library for talking to EVM chains. Powers Unstable's on-chain interactions.

## W

**wagmi** — React hooks library on top of viem. Manages wallet connection, chain switching, and read/write contract calls in the Unstable frontend.

**WalletConnect** — Protocol that lets mobile wallets connect to desktop dApps via QR code. Unstable's connect flow supports it out of the box.


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