One of the most common questions people have about any lottery is simple: where does the money actually go? In traditional lotteries, this question rarely gets a straight answer. In on-chain lotteries, the answer is written in code and visible to anyone.

This article breaks down how prize pools work in on-chain lotteries, what happens to ticket revenue, and why the model is fundamentally more transparent than anything that came before it.

How Traditional Lottery Prize Pools Work

In a traditional lottery, the operator collects all ticket sales and decides how to distribute them. A portion goes to the prize pool, a portion covers operating costs, a portion goes to marketing, and the rest is profit for the operator or the government running the program.

In most national lotteries, only 40 to 50 cents of every dollar spent on tickets actually ends up in the prize pool. The rest disappears into operational overhead before a single winner is paid.

Players rarely see this breakdown. It is not hidden exactly, but it is not prominently disclosed either.

Two Types of Prize Pools in On-Chain Lotteries

On-chain lotteries typically operate with one of two prize pool models. Understanding the difference matters because it affects both the size of the potential payout and how the funds are managed.

Fixed Pot A fixed pot is funded by the treasury and does not change based on how many tickets are sold. The prize amount is set before the draw opens and stays the same regardless of participation. If no winner is declared, the pot goes back to the treasury and rolls over to the next draw.

This model gives players certainty. The jackpot on the screen is exactly what you can win, no matter how many or how few tickets are purchased.

Dynamic Pot A dynamic pot grows with every ticket purchased. More tickets sold means a larger prize pool. After the draw, the funds are typically distributed between the winner, the treasury, and future pots across daily, weekly, or monthly draws.

This model creates the potential for larger payouts during high-participation periods, but the final prize amount is not known until the draw closes.

Where the Money Goes in an On-Chain Lottery

Unlike traditional lotteries, on-chain lottery economics are defined in the smart contract and visible on the blockchain. Every ticket purchase, every fund movement, and every payout is recorded publicly.

A typical on-chain lottery distributes ticket revenue across several categories. The largest share goes directly to the prize pool. A smaller portion funds the treasury, which is used to maintain fixed pots, cover operational costs, and seed future draws. Any applicable gas fees are handled separately and transparently at the point of purchase.

There is no hidden marketing budget absorbing half your ticket price. There is no opaque operational overhead. The allocation is fixed in code before the lottery opens.

Reward Tiers: More Ways to Win

Most on-chain lotteries do not operate on a winner-takes-all basis. Prize pools are divided across multiple reward tiers based on how many numbers a player matches.

In Kaching’s Daily Jackpot for example, the reward tiers look like this:

The House Edge in On-Chain Lotteries

Every lottery has a house edge — the difference between what players pay in and what gets paid out. In traditional lotteries this number is rarely disclosed clearly. In on-chain lotteries it is calculable from the contract.

Kaching currently charges no platform fee. The economics of each draw are defined by the pot structure and ticket pricing, both of which are visible on-chain and in the draw details before you buy a ticket.

This is a meaningful difference from traditional models. You can verify the economics yourself before participating rather than having to trust a company’s disclosure.

Why Transparency Matters for Prize Pools

When prize pool economics are on-chain, three things become possible that were never possible before.

First, players can verify that the prize pool contains what the platform claims. The funds are held by the smart contract, not by a company account, and the balance is publicly readable at any time.

Second, players can confirm that payouts match the stated reward tiers. Every winning transaction is recorded on the blockchain and can be independently checked.

Third, players can see that the system behaves consistently across every draw. The rules do not change between draws. The code does not get updated overnight. What you see is what the contract does.

FAQs

1. What is the difference between a fixed and dynamic pot? A fixed pot is set by the treasury and does not change based on ticket sales. A dynamic pot grows as more tickets are purchased. Fixed pots offer predictable prizes. Dynamic pots can grow larger during high-participation draws.

2. What happens if nobody wins the jackpot? In a fixed pot lottery, the unclaimed prize returns to the treasury and is used to fund future draws. The pot resets for the next draw.

3. Does Kaching take a percentage of ticket sales? Kaching currently does not charge a platform fee. Draw economics are visible on-chain before you purchase.

4. How do I know the prize pool is real? The funds are held by the smart contract, not by the company. The balance is publicly visible on the blockchain at any time via the Verify On-Chain link on any draw page.

5. Can prize tiers change between draws? For a given draw, the reward tiers are fixed in the smart contract when the draw is created. They cannot be changed after the draw opens.