PonziLand

PonziLand is a fully on-chain, token-agnostic DeFi strategy game built on Starknet, developed by RuneLabs, a Paris-based engineering studio specializing in on-chain games and protocols. Players acquire, price, and defend virtual land plots in an open economic system where every block generates taxes, every neighbor is a rival, and poorly collateralized landowners can be eliminated without warning.

Core Mechanism

At the heart of PonziLand is a recursive land-ownership loop that rewards strategic positioning over simple accumulation. When a player acquires a plot — either through a Dutch auction on newly minted land or by buying from another player — they must immediately post two things: a selling price denominated in an ERC-20 token, and a tax deposit to fund ongoing obligations. Every block, a share of that deposit drains away as taxes paid to owners of adjacent tiles. The more neighbors a plot has, the higher the tax outflow, but also the greater the potential tax inflow if those neighboring plots are themselves occupied.

This mechanic creates a continuously shifting equilibrium. Underpriced land attracts buyers quickly, capping potential gains. Overpriced land bleeds taxes faster than it earns them. The optimal position sits at the edge of both risks: priced high enough to capture value, staked deeply enough to survive neighbor pressure.

Nuke Mechanics

If a landowner's stake falls to zero because taxes have drained it completely, their plot becomes vulnerable. Any player can then nuke the land, forcibly resetting ownership and claiming the plot at a discount. The nuke system disciplines illiquid or speculative pricing — illiquid tokens cannot sustain ongoing tax obligations — and creates a secondary market in distressed land. PonziClaw, an autonomous agent built for the game, actively scans for nuke opportunities, executes purchases with configurable risk guardrails, manages swaps between token pairs, and reports profit-and-loss in real time.

Land Upgrades and Earning Potential

Beyond basic ownership, players can upgrade their land plots to increase earning potential. Upgrades roll out over a five-week development window and scale the tax revenue a plot generates from surrounding tiles. This adds a longer-horizon layer to what would otherwise be a pure short-term arbitrage game, incentivizing players to accumulate stable land clusters rather than constantly flipping.

Token Architecture

PonziLand is deliberately token-agnostic. Land can be priced and staked in any ERC-20 token with sufficient on-chain liquidity. The protocol tracks token liquidity continuously and resets land tied to tokens that fall below threshold. Common pairs include LORDS, the canonical Realms ecosystem token; STRK, the Starknet native token; ETH; and the game's own PAPER token. This design allows PonziLand to function as a DeFi metagame layered on top of existing Starknet token ecosystems, where liquidity from one protocol becomes collateral in another.

Technical Architecture

All game state — land ownership, auction state, tax accounting, and nuke eligibility — lives in Cairo smart contracts on Starknet. A Rust-based indexer ingests and enriches Starknet blockchain data for fast, replay-safe queries without relying on off-chain state. The frontend is built in SvelteKit with a modular widget system that allows UI components to be added or replaced independently of core contract logic. The entire codebase is open source at github.com/RuneLabsxyz/PonziLand.

This architecture reflects RuneLabs' broader philosophy: full on-chain transparency as a design constraint, not a feature. Every price, stake, and liquidation event is publicly verifiable and permanent.

Team

PonziLand is developed by RuneLabs, a Paris-based studio of senior engineers who also build Midgard — a competitive gaming economy protocol on Starknet with tokenized tournament markets and leveraged vault infrastructure. The team spans game development, protocol engineering, and product design. PonziLand originated at an ETHGlobal hackathon before evolving into a Starknet mainnet deployment.

Ecosystem and Status

PonziLand is native to the Starknet ecosystem, not Solana. Its DeFi metagame design integrates with existing Starknet-native tokens and liquidity, making it an unusual case: a competitive game that also functions as a yield-bearing, token-agnostic liquidity layer. Players who hold LORDS or STRK positions can deploy them productively within the game rather than holding them idle.

The protocol ran a live tournament in April 2025 with 5,000 USDC and 100,000 LORDS in prizes, demonstrating real user engagement and ecosystem backing from established Starknet projects. The GitHub repository shows active development through at least July 2025.

No public security audit has been disclosed, consistent with the project's origins as a hackathon prototype scaled to mainnet. Users should treat staked assets accordingly.