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About fullstack
fullstack is a unified trading front end for retail users: capital sits as USDC in one account and margin is shared across venues, so longs and shorts in different assets offset each other, with the front end handling routing and risk math and liquidity coming from perpetual venues such as Hyperliquid.
It targets capital efficiency for retail traders working across venues, where separate accounts and separate margin double the capital needed for a hedge. A unified margin account removes that friction. The project is early, its site is mostly hiring information, and product detail, custody arrangements and risk rules are not publicly documented, so evaluation should hinge on verifiable live data and audits. Without verifiable real fills, unified margin is an interface claim only.
Fullstack is a margin trading protocol built on Hyperliquid, founded by renowned trader Flood (@ThinkingUSD). Previously, Flood operated Insilico Trading, but later announced his complete departure from that company to focus full-time on Fullstack, dedicated to building a multi-asset margin trading system for Hyperliquid. The project aims to enable traders to manage cross-asset risks more efficiently and improve capital utilization.
In September 2025, Fullstack completed a $15 million funding round led by Paradigm, at a valuation of $60 million. This funding marked market recognition of derivatives infrastructure built on the Hyperliquid ecosystem and provided financial support for Fullstack's subsequent development. Currently, the official website shows that the product is about to launch, but through its funding and team background, it has already established its long-term development potential.
These two milestones represent the founding team's transition and capital endorsement, which are of landmark significance for Fullstack's long-term growth.
Team operates anonymously; the official site states it was founded by a senior team with multiple prior exits, but named CEO and CTO are not publicly disclosed.