> For the complete documentation index, see [llms.txt](https://bmm20.gitbook.io/help-center/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bmm20.gitbook.io/help-center/mining-pool/roi.md).

# ROI

It tells you how much you've gained compared to what you initially put in.

### Imagine unearthing a digital gold mine 

Unlock the potential of X-Bitcoin, the prized asset of the blockchain realm, with an opportunity for substantial returns through ROI. Imagine investing 33,000 X-Bitcoin in a robust mining rig, your golden shovel, and earning 5 X-Bitcoin per block (mined every 15-20 seconds) as your 10% share in the mining pool (if the Block reward is 50 X-Bitcoin). 

Although the initial ROI appears modest at 0.015% per block, let's break down the excitement. With consistent mining, over a month, your potential total reward could snowball to a remarkable 9,000% or more (for example), transforming your initial investment into a mountain of X-Bitcoin. Don't miss out on the potential crypto treasure! 🚀💰

**However, there are factors to consider:**

* **The reward halves over time, meaning your per-block profit diminishes.**
* **Mining pool fees and network difficulty can also play a role.**

[Reward calculation](https://bmm20.gitbook.io/help-center/overview/bmm20-and-xbtc-mining-process/reward-calculation) — X-Bitcoin's reward calculation incorporates halving and difficulty adjustments, mirroring OG Bitcoin's mining design. These mechanisms progressively increase mining complexity, ensuring a controlled supply and long-term network stability. 

### **Here is a summary of the key differences between ROI, APR and APY:** 

<table><thead><tr><th width="104.33333333333334">Metric</th><th width="127">Definition</th><th width="146">Formula</th><th width="288"></th></tr></thead><tbody><tr><td>ROI</td><td>Return on investment</td><td>Profit / Investment</td><td><strong>ROI is your crypto piggy bank's speedometer, showing how fast your investment grows. A higher APR (engine power) boosts your ROI!</strong></td></tr><tr><td>APR</td><td>Annual percentage rate</td><td>Principal amount * APR</td><td><strong>High APR = rocket fuel for your crypto! Zoom past a stagnant stash with explosive growth.</strong></td></tr><tr><td>APY</td><td>Annual percentage yield</td><td>Principal amount * (1 + APR/100)^n</td><td><strong>APY is your piggy bank's magic engine, sprinkling gold dust on your crypto. Boom! Soon, your stash snowballs exponentially, thanks to compounding.</strong></td></tr></tbody></table>