# How Do Concrete Vaults Actually Work?

By [QuantumTitan](https://paragraph.com/@quantumtitan) · 2026-03-24

---

![](https://storage.googleapis.com/papyrus_images/54a8187a7fc7d31f3a7872f2279dc97516aaf397aa5d6bde81573751f5b2bc69.png)

Demystifying DeFi Vaults: What Your Shares Really Mean
------------------------------------------------------

You deposit into a vault, receive your position, and then you notice a few key numbers: _shares_, _eRate_, and _NAV_.

At first, it can feel like learning a new language.

What do these numbers actually represent?  
How do they relate to your money?

Let’s walk through it from a simple, user-first perspective.

* * *

### Shares and eRate: Your Piece of the System

When you deposit into a vault, you’re not just putting funds somewhere—you’re getting ownership.

Think of the vault like a company. When you invest, you receive shares in that company. Those shares represent your stake in everything the company owns.

Vault shares work the same way.

They represent your portion of the total capital inside the vault.

Now, instead of increasing your number of shares over time, the system increases the _value_ of each share. That’s where _eRate_ comes in.

eRate is simply the price of one share.

As the vault generates yield, the total value grows—and each share becomes more valuable.

So:

*   Shares = how much of the vault you own
    
*   eRate = how much each unit of ownership is worth
    

Your growth comes from rising value, not increasing quantity.

* * *

### NAV: The Big Picture

Behind shares and eRate is a bigger number: NAV.

NAV (Net Asset Value) is the total value of all assets held in the vault.

If the vault is worth $1.2 million, that’s the NAV.

Now think of it like this:

*   NAV = the entire company value
    
*   Shares = your percentage ownership
    

When the NAV increases, the value of each share increases. That’s why eRate goes up.

Even if your share count stays the same, your position grows because the total pool is becoming more valuable.

* * *

### Why Time Unlocks Value

One of the biggest misunderstandings about vaults is expecting instant results.

Vaults are designed to perform over time.

Strategies need time to deploy capital, generate returns, and adjust to market conditions. There are also costs—like gas fees and rebalancing—that can impact short-term performance.

A helpful analogy is fitness.

You don’t go to the gym once and expect results immediately. Progress happens gradually, through consistency and time.

Vaults follow the same principle.

Time allows:

*   strategies to execute properly
    
*   returns to accumulate
    
*   compounding to take effect
    

Short-term fluctuations are normal. Long-term participation is where real growth happens.

* * *

### Active Management: The Engine Behind the Vault

Vaults are not passive storage systems.

They are actively managed.

Your capital is continuously deployed into different strategies, moved between opportunities, and adjusted based on market conditions.

Think of the vault like a pilot flying a plane.

It constantly adjusts direction, speed, and altitude to reach the best possible outcome. It doesn’t just stay still—it responds to changing conditions.

This includes:

*   allocating capital across strategies
    
*   rebalancing positions over time
    
*   optimizing for both return and risk
    

The vault is always working behind the scenes to improve performance.

* * *

### From Mechanics to Results

When you put everything together, the system becomes clear.

Over time:

*   NAV increases as yield is generated
    
*   eRate rises as each share gains value
    
*   your shares maintain your ownership
    

At the same time:

*   compounding strengthens growth
    
*   rebalancing captures better opportunities
    
*   active management improves efficiency
    

Your results are not just about earning yield—they’re about how effectively that yield is managed.

The longer you stay, the more these elements work together.

* * *

### A Clear Mental Model

To simplify everything, remember this:

*   **Vault** = a pooled capital system
    
*   **Shares** = your ownership
    
*   **eRate** = value per share
    
*   **NAV** = total vault value
    
*   **Time** = growth engine
    
*   **Management** = optimization layer
    

Once you understand this framework, vaults become much easier to follow.

What once seemed complex is actually a structured system designed to grow value over time—where your role is simply to hold your share and let the system work.

---

*Originally published on [QuantumTitan](https://paragraph.com/@quantumtitan/how-do-concrete-vaults-actually-work)*