The U.S. issuer, reserve, and supervisory framework established by the GENIUS Act enacted in July 2025, with obligations subject to its implementation provisions.

Ultima (ULTIMA) is the infrastructure token of the Ultima ecosystem.

The narrative that ETH becomes deflationary when burn exceeds issuance after EIP-1559 and staking.

An optimistic oracle used to resolve prediction markets and custom derivatives.

UNCX Network V2 is a Token Locker protocol active on Ethereum, Binance, Base. UNCX Network is a one-stop shop with providing its customers with everything they need to launch and maintain a sustainable and secure…

A loan larger than the posted collateral, which needs identity, legal claims, or off-chain underwriting.

Uniswap's September 2020 retroactive token drop that set the template for later airdrops.

Designs that share inventory across markets or chains so traders see one deeper book.

The leading Ethereum AMM. v2 popularized constant-product pools. v3 added concentrated liquidity. v4 adds hooks.

A v4 plugin that runs custom logic around a swap or LP action (oracles, dynamic fees, KYC).

The company that builds the Uniswap interface and related products, distinct from the DAO.

Uniswap V2 is a Dexs protocol active on Ethereum, Base, Polygon. A fully decentralized protocol for automated liquidity provision on Ethereum.

Uniswap V3 is a Dexs protocol active on Ethereum, Base, Arbitrum. A fully decentralized protocol for automated liquidity provision on Ethereum.

A version of the Uniswap automated market maker architecture built around a shared pool manager and optional hooks that customize pool behavior.

UNIT ($UNIT) is a crypto asset primarily associated with ethereum.

Pricing goods in an asset. Almost no economy prices in BTC; mostly USD and local fiat.

UnitedStates National Debt Coin (USNDC) is a crypto asset primarily associated with solana.

UUSD is a USD-pegged stablecoin designed to power the financial infrastructure of the AI agent economy.

A token allowance large enough to let a designated spender move present and potentially future balances without asking for another allowance each time.

Unlimited Wealth Utility (UWU) is a crypto asset primarily associated with solana.

Upbit is a centralized exchange listed with country South Korea.

A pattern where logic can change via admin keys. Convenient and a central trust assumption.

India's Unified Payments Interface, a public instant-payment rail used at national scale.

Upshift opens access to transparent yields backed by secure risk controls.

URMOM (URMOM) is a crypto asset primarily associated with solana.

USD AI is a RWA protocol active on Arbitrum. USD.AI is a yield-bearing synthetic dollar protocol backed by real-world infrastructure assets

A dollar stablecoin issued by Circle, widely used in DeFi and by U.S.-facing platforms.

Open interest quoted in dollars rather than contracts, so size is comparable across coins.

USD Stablecoin is a market sector used to group crypto assets with similar use or design.

Dollar stablecoin settlement for B2B and internet commerce, often via Circle and banking partners.

Circle's USDC briefly lost its peg when reserves were tied up in Silicon Valley Bank's failure, then recovered after policy backstops.

Decentralized StableCoin USDD on TRON The TRON DAO Reserve manages USDD and guarantees its price stability

USDEBT (USDEBT) is a crypto asset primarily associated with ethereum.

The Sky-rebranded successor path to Dai in the Maker family, a crypto-collateralized dollar.

USDT0 (USDT0) is a crypto asset primarily associated with ink.

The share of a lending pool that is borrowed. Rate models raise interest as utilization climbs.

An unspent transaction output. Bitcoin-style ledgers track coins as discrete outputs rather than account balances.