Applications for Cohort 9 (Spring 2026) are open! The Aquarium is a 9-week XRPL incubator in the heart of Paris for early-stage teams ready to scale. We’re looking for founders with MVPs in DeFi, Social Impact, AI, Infrastructure, or Security who are eager to build, grow, and launch with hands-on mentorship and tangible support — no equity taken.
The cohort



The Aquarium Incubator in Paris is a 9-week program designed for pre-seed and seed XRPL startups ready to take their projects from MVP to market.
Hosted by XRPL Commons, it brings together founders building in DeFi, Social Impact, AI, Security, and Infrastructure to refine their products, access expert mentorship, and earn milestone-based grants.
Teams with at least one full-time founder in residence collaborate in a shared coliving and workspace to accelerate their path to mainnet or EVM sidechain deployment.
Residents apply on the website
After being reviewed, selected applicants are invited for an interview
Selected candidates signed a contract and are officially part of the Residency cohort


What to expect
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