Julien Bouteloup is a French blockchain developer, entrepreneur, and angel investor who became one of the more prominent independent operators in the Ethereum DeFi ecosystem. He is best known as the founder of StakeDAO (originally Stake Capital), a liquid-staking and yield-optimization protocol launched in 2021. Beyond building StakeDAO, Bouteloup has backed early-stage DeFi projects as an angel, with a focus on Ethereum-native infrastructure, automated market makers, and MEV (maximal extractable value) tooling.
Bouteloup began accumulating influence in the Ethereum community around 2017–2018, participating in governance and development of several protocols before launching his own venture. His technical background in smart-contract development gave him an edge in evaluating DeFi primitives at a time when most capital allocators lacked hands-on protocol knowledge. Stake Capital was initially a staking-as-a-service business targeting proof-of-stake networks; it later pivoted toward the Curve Finance ecosystem, where StakeDAO became a significant veToken locker and yield aggregator. Public information on total AUM managed by StakeDAO or Bouteloup's personal angel portfolio is limited; no formal fund vehicle with disclosed AUM appears in public records.
Notable investments and projects
- StakeDAO – founded and continues to lead; veToken strategy built on top of Curve, Balancer, and Frax ecosystems
- Curve Finance – deep governance participant and liquidity provider; not a direct equity investor (Curve is a decentralised protocol), but publicly associated with its growth
- Various early DeFi protocols – Bouteloup has referenced angel positions in yield and AMM projects on social media, though specific deal terms are not publicly disclosed
Public information about the full portfolio composition and individual ticket sizes is limited. The metadata lists 6 portfolio companies, but their identities have not been confirmed through public filings or press releases.
Team
Bouteloup operates largely as a solo principal for his angel activity. StakeDAO has a broader contributor base, but no formal general-partner team structure for a dedicated investment vehicle has been announced publicly. He is active on social media under the handle @bneiluj, where he discusses DeFi strategy and governance.
Recent activity
In mid-2023, Bouteloup drew attention during the Curve Finance exploit – a reentrancy vulnerability drained multiple Curve pools. He was publicly named among actors who participated in MEV activity around the incident, which generated controversy about the ethics of front-running white-hat rescues. He addressed the situation publicly but the episode highlighted the dual role he occupies: investor, builder, and active on-chain operator. No regulatory action has been publicly recorded against him. Into 2024–2025, StakeDAO continued expanding its multi-chain liquid-locker product, and Bouteloup remained active in DeFi governance discussions, particularly around Curve and Frax.
Bouteloup's geographic focus is European – primarily France and the broader Francophone crypto scene – though his investments and protocol activity are global and chain-agnostic within the EVM ecosystem. For investors or founders looking to understand his thesis, his public writing on veTokenomics and MEV remains the clearest signal of where he sees durable value in on-chain infrastructure.
