On-Chain Inventory

Let Players Own Their Items—Forever

Build blockchain inventories where players truly own their loot. No server wipes, no lost progress. Just permanent, tradeable, cross-game items stored as NFTs.

Used by 47+ games

340% retention boost

£1.2M+ trading volume

Traditional vs. On-Chain Inventory

Traditional Inventory

  • Server crash = items gone forever
  • Game shuts down = years of progress deleted
  • Admins can nerf your legendary sword anytime
  • Can't trade items outside the game
  • Players don't trust you with their £1000 sword

On-Chain Inventory

  • Items stored on blockchain = permanent ownership
  • Game servers die? Items live forever on-chain
  • Immutable stats = can't be nerfed or changed
  • Players trade on OpenSea, your marketplace, anywhere
  • 340% retention boost = happier, loyal players

Interactive Item Demo

See how on-chain items work. Click an item to view its blockchain attributes.

Legendary Sword

ERC-721

Dragon Scale Armor

ERC-1155

Fire Phoenix

ERC-721

Blockchain Attributes

  • damage: 150
  • durability: 100
  • rarity: Legendary
  • owner: 0x742d...5f3a

These attributes are stored on the blockchain and cannot be altered by anyone. True item permanence.

Why Developers Choose On-Chain Inventory

Build trust, boost retention, and create real player value

True Ownership

Every item is an NFT on the blockchain. Players own their items—not you, not the server. They can keep them forever.

Cross-Game Compatible

Items work across multiple games. That sword from Game A? Use it in Game B. Build a shared metaverse economy.

Tamper-Proof Stats

Item stats are stored on-chain. No server admin can nerf your legendary sword. Stats are permanent and immutable.

Real-Time Analytics

See which items players love, trade volume, rarity distribution. Data-driven game balancing in real-time.

Our Battle-Tested Process

From concept to mainnet in 6-8 weeks

  1. Discovery & Design (7-10 days)

    • Item Economy Architecture
      We analyze your game's needs and design the perfect on-chain inventory system. Which items should be NFTs? What standards to use (ERC-721 vs 1155)? How to handle gas fees? We answer everything.
    • Key Deliverables:
      • Item categorization & rarity tiers
      • Smart contract architecture diagram
      • Gas optimization strategy
      • Player UX flow mockups

  2. Smart Contract Development (14-21 days)

    • Build Bulletproof Contracts
      Our devs write battle-tested smart contracts for your items. Multi-sig security, upgradeability, batch transfers to save gas. Everything audited before deployment.
    • Key Deliverables:
      • ERC-721/1155 item contracts
      • Minting & burning logic
      • Transfer & trade functions
      • Gas-optimized batch operations

  3. Game Integration (14-21 days)

    • Connect Game to Blockchain
      SDK integration with Unity/Unreal/Godot. Players see their items in-game, can equip them, trade them. Seamless Web3 experience without the Web3 complexity.
    • Key Deliverables:
      • Game engine SDK integration
      • In-game inventory UI
      • Wallet connection flow
      • Item equip/unequip logic

  4. Launch & Scale (7 days + 30-day support)

    • Deploy and Monitor
      We deploy to mainnet, set up monitoring, and train your team. 30-day support included. Watch your player-owned economy come to life.
    • Key Deliverables:
      • Mainnet deployment
      • Admin dashboard access
      • Team training sessions
      • 30-day post-launch support

Ready to Build Your On-Chain Inventory?

Get a custom proposal with fixed pricing, clear timelines, and transparent deliverables.

Enterprise-Grade Tech Stack

Battle-tested tools trusted by 47+ game studios.

Smart Contracts

Battle-tested standards for NFT items with gas optimization.

  • Solidity
  • OpenZeppelin
  • ERC-721
  • ERC-1155
  • Hardhat

Game Integration

SDKs for all major game engines with seamless wallet connection.

  • Unity SDK
  • Unreal Plugin
  • Thirdweb
  • Web3.js
  • Moralis

Blockchain Networks

Deploy on low-cost chains optimized for gaming.

  • Polygon
  • Immutable X
  • Arbitrum
  • Avalanche
  • Base

Security & Testing

Every contract audited before mainnet deployment.

  • Slither
  • Mythril
  • Certik Audit
  • OpenZeppelin Defender
  • Tenderly

Certifications & Security

  • Certik Audited
  • OpenZeppelin Standards
  • SOC 2 Compliant
  • 99.9% Uptime SLA