The “Investment Fund” Analogy

DeFi vaults can feel complex — but they don’t have to be.

Let’s reframe Concrete vaults in a way that feels familiar.


👤 A User’s First Interaction

You deposit funds into a Concrete vault.

Immediately:

  • You receive vault shares

  • You see metrics like NAV and eRate

And it’s unclear:

“Am I earning? How does this grow?”


Vault Shares = Fund Ownership

Think of Concrete vaults like a shared investment fund.

When you deposit:

  • You don’t hold raw assets

  • You hold shares in the fund

Each share represents your portion of the vault.


📊 eRate = Share Price

eRate works like a share price.

  • If strategies perform well → eRate increases

  • If eRate increases → your shares are worth more

You don’t need more shares to grow wealth.

Your shares appreciate in value.


💼 NAV = Total Fund Value

NAV is simply:

Total value of everything inside the vault

If:

  • NAV increases → fund grows

  • Fund grows → your shares gain value

It’s that simple.


⏳ Time = The Hidden Multiplier

Why does time matter?

Because vaults operate through:

  • Strategy execution cycles

  • Market timing

  • Rebalancing

Short-term:

  • Results can fluctuate

Long-term:

  • Compounding dominates

Think of it like reinvesting profits again and again.


⚙ Managed DeFi in Action

Concrete vaults are not static.

They:

  • Allocate capital across strategies

  • Adjust based on market conditions

  • Optimize yield continuously

This is managed DeFi, not passive holding.


🔗 Outcome

Over time:

  • NAV increases

  • eRate rises

  • Your shares gain value

You benefit from:

  • Yield

  • Strategy execution

  • Compounding


🧠 Final Model

  • Vault = investment fund

  • Shares = your stake

  • NAV = fund size

  • eRate = share price

  • Time = compounding engine

  • Management = strategy layer


🚨 Explore Concrete at app.concrete.xyz