# Julian Hartmann

## Recent Posts

- [5 Principles of Trust in DeFi](https://paragraph.com/@hartmann/5-principles-of-trust-in-defi)
- [The Journey of Capital: What Makes a DeFi Strategy Sustainable?](https://paragraph.com/@hartmann/the-journey-of-capital-what-makes-a-defi-strategy-sustainable)
- [Yield Has Layers — Most People Only See the Top One](https://paragraph.com/@hartmann/yield-has-layers-%E2%80%94-most-people-only-see-the-top-one)
- [How Do Concrete Vaults Actually Work? Understanding Cause and Effect](https://paragraph.com/@hartmann/how-do-concrete-vaults-actually-work-understanding-cause-and-effect)
- [Why DeFi Needs Vault Infrastructure: 5 Principles for Efficient Capital](https://paragraph.com/@hartmann/why-defi-needs-vault-infrastructure-5-principles-for-efficient-capital)
- [The DeFi Survival Guide: Why Your APY is Lying to You](https://paragraph.com/@hartmann/the-defi-survival-guide-why-your-apy-is-lying-to-you)
- [The APY Mirage: Why the Next Phase of DeFi is About Engineering, Not Marketing](https://paragraph.com/@hartmann/the-apy-mirage-why-the-next-phase-of-defi-is-about-engineering-not-marketing)
- [Why Capital Efficiency Is the Real Product in DeFi](https://paragraph.com/@hartmann/why-capital-efficiency-is-the-real-product-in-defi)
- [Concrete: Why the Future of Onchain Finance is Built on Standards](https://paragraph.com/@hartmann/concrete-why-the-future-of-onchain-finance-is-built-on-standards)
- [The Power of Compound Interest — And Why Concrete Vaults Make It Real in DeFi](https://paragraph.com/@hartmann/the-power-of-compound-interest-%E2%80%94-and-why-concrete-vaults-make-it-real-in-defi)
- [Risk Comes First, Yield Comes Second](https://paragraph.com/@hartmann/risk-comes-first-yield-comes-second)
- [Why ERC-4626 Changed DeFi Forever: The Foundation of Concrete Vaults](https://paragraph.com/@hartmann/why-erc-4626-changed-defi-forever-the-foundation-of-concrete-vaults)
- [The $10 Billion Leak: Why DeFi is Bleeding Value in the "Manual Era"](https://paragraph.com/@hartmann/the-dollar10-billion-leak-why-defi-is-bleeding-value-in-the-manual-era)

## Blog Information

- [Homepage](https://paragraph.com/@hartmann/): Main blog page
- [RSS Feed](https://api.paragraph.com/blogs/rss/@hartmann): Subscribe to updates

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