# Smart contracts

There are three different blockchain protocols that will be integrated into The Minerio gaming stack: 

* ERC-20 for ![](/files/9EtazxclTpgsjwt0XXZf)RIOZ 
* ERC-1155 and ERC-721 for the Digital Assets storage and trading.

Our most used smart contracts are listed below: 

<table><thead><tr><th width="203.21240632972064">Smart Contracts</th><th width="395.3333333333333">Notes</th></tr></thead><tbody><tr><td>RIOZ token</td><td>Address: 0x98Cf50c7A8822517089aE0082f14EC5CD6e18F65</td></tr><tr><td>Minerio Origin Land NFT</td><td>Address: 0x442C3bd78a9c4369A4Cc9100089e41e2b41Fc431</td></tr><tr><td>Minerio Factories NFT</td><td>Address: 0x657e6B1ac0dB0Dd11d8b7bC2da4c59d5E1cbD220</td></tr><tr><td>RIOZ presale Referral Manager</td><td>Address: 0x5430bc3a3BFDdAD83B263834838960799d59a7A4</td></tr><tr><td>Minerio RIOZ Airdrop</td><td>Address: 0x1745E2df5bB0cde35Eb91588C2d2eEAAB58B85a1</td></tr><tr><td>Minerio Presale RIOZ </td><td>Address: 0x8b525F2d2c661a5213e175507C76a535631aC8C3</td></tr><tr><td>Minerio Presale VIP</td><td>Address: 0x645ebb1757De2490cC7D9283113640D38697498D</td></tr><tr><td>Minerio Uranium Miner</td><td>Address: 0x45d80d2b4c53555eAa95EfBE34996A1131cFc62f</td></tr><tr><td><a href="https://bscscan.com/address/0xb4400849def8aa7699fe1ba1b151667e71592892">Minerio Lands Presale NFT (BSC network)</a></td><td>Minerio Land NFTs are ERC-721 NFTs designed for Lands Presale. These NFTs will be replaced by Minerio Lands Origin NFT and will be transferred to the Polygon chain with a cross-chain bridge.</td></tr></tbody></table>

| Githubs                                                        | Notes                                     |
| -------------------------------------------------------------- | ----------------------------------------- |
| [Minerio Game smart contracts](https://github.com/mineriogame) | Minerio Game smart contracts repositories |

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