Extended
Extended is a perpetuals DEX on Starknet where traders use one unified margin account to trade crypto and tokenized stocks with up to 100x leverage.
What is Extended?
Extended is a non-custodial perpetuals exchange built on Starknet by an ex-Revolut team. Traders deposit into a single cross-asset margin account, then go long or short on crypto and tokenized TradFi markets with up to 100x leverage, using yield-bearing tokens as collateral. Trades settle via zk proofs anchored to Ethereum, and Extended has cleared multi-billion-dollar cumulative volume.
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Developer resources from Alchemy
AI agent crypto glossary: x402, ACP, and MCP and 20 more terms
A plain-language glossary of the terms you need to follow agentic crypto — from x402 and MCP to spend limits, account abstraction, and more.
How to build an AI trading bot: a complete developer's guide (2026)
A step-by-step technical guide to building a sentiment-enhanced crypto trading bot with on-chain data, machine learning, and risk management using Alchemy's blockchain APIs.
How AllScale powers fast, reliable stablecoin payments at scale
AllScale standardized blockchain reads and transaction requests on Alchemy Node API to power stablecoin checkout, invoicing, payroll, and payouts.
Extended alternatives
Explore web3 competitors and apps like Extended.
Lighter
GMX
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Antarctic ExchangeApp store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.
