nook
Automated DeFi yield optimizer
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About nook
Nook is a savings app that lets everyday users earn yield on USDC by connecting to DeFi lending protocols like Aave and Morpho. Its core business is simple: deposit dollars via bank transfer, Apple Pay, or Coinbase, and Nook automatically allocates funds to audited on-chain money markets, targeting around 7.6% APY with real-time payouts every 16 seconds.
The main pain point it addresses is the gap between traditional bank savings (near-zero interest) and the complexity of DeFi, which requires wallet management, bridging, and technical knowledge. Nook removes these barriers by acting as a non-custodial interface—users retain control of assets while the platform handles strategy, rebalancing, and risk management, such as collateralization and liquidation monitoring.
In the past six months (Feb–Aug 2026), Nook has progressed from beta to public launch, surpassing $1 billion in cumulative transaction volume by April. By June, it expanded to over 8 lending markets and introduced a data portal for transparency, allowing users to track TVL and performance metrics. The platform also added support for more funding sources and improved its rebalancing flow, while continuing to emphasize security through partnerships with audited protocols like Aave and Morpho, which collectively hold over $70 billion.
Over the past six months (2026-03-15 to 2026-09-15), Nook has made significant progress. It surpassed $500M in total processed transactions and executed over 120k transactions, with 86% being automated rebalances. The platform expanded from one source to 8+ across four chains, and launched Core and Frontier categories, allowing users to allocate across multiple sources simultaneously—over $10M was allocated within two weeks of rollout. Nook also went live on Monad, attracting $3M+ deposits in under 24 hours into the Aave USDC market, and beta-tested new vaults with 100+ customers, drawing nearly $3M in three weeks. Future focus areas include: expanding access to 1,000+ Morpho markets and 950+ currently excluded sources across 8+ networks and 5+ non-USDC assets; adding earlier-stage markets for higher yields; improving data transparency via Curator Profiles, transaction/market breakdowns, and educational content; and enabling multi-source allocation with granular user control, while automating the 30+ technical steps behind rebalancing.
Joey Isaacson (CEO & Co-founder)
Joey Isaacson is the CEO and co-founder of Nook. He previously served as a Design Manager at Coinbase, where he led product design teams. He also held senior product design roles at Uber Freight and worked as a product designer at Facebook and Songkick. Joey holds a BA in Advertising/Journalism from the University of Colorado Boulder.