Smartcontracts
Current Smart Contract Versions
Fabrica's property NFTs are implemented as smart contracts on multiple blockchain networks. Below are the current and historical contract addresses. Always verify contract addresses before transacting.
Version 3.1 (Current)
Ethereum Mainnet
- ERC1155 Token: 0x5cbeb7A0df7Ed85D82a472FD56d81ed550f3Ea95
- Validator: 0x170511f95560A1F280c29026f73a9cD6a4bA8ab0
Sepolia Testnet
- ERC1155 Token: 0xb52ED2Dc8EBD49877De57De3f454Fd71b75bc1fD
- Validator: 0xAAA7FDc1A573965a2eD47Ab154332b6b55098008
Base Sepolia Testnet
- ERC1155 Token: 0xce53c17a82bd67ad835d3e2adbd3e062058b8f81
Deprecated Versions
Version 3.0
Ethereum Mainnet
- ERC1155 Token: 0xd8a38b46d8cf9813c7c9233b844dd0ec7d7e8750
- Validator: 0x6fA2Ee5C9841163E88c85a40B70a90FCD5FBB68b
Version 2.0 (Legacy)
Ethereum Mainnet
- ERC721 Token: 0x3903525e5c6cec55d4d38060c3edf05068a7a8d1
Version 1.0 (Prehistoric)
Ethereum Mainnet
- ERC721 Token: 0x338e48afa8F749314eC3a7b417222929f1a2754e
(First token minted and first transaction performed in June 2018. View mint, view transaction)

Artwork courtesy of Cameron Morris
Ethereum Mainnet:
- ERC1155 Token: 0xd8a38b46d8cf9813c7c9233b844dd0ec7d7e8750
- Validator: 0x6fA2Ee5C9841163E88c85a40B70a90FCD5FBB68b
Legacy [2.0]
Ethereum Mainnet:
- ERC721 Token: 0x3903525e5c6cec55d4d38060c3edf05068a7a8d1
Prehistoric [1.0]
- ERC721 Token: 0x338e48afa8F749314eC3a7b417222929f1a2754E
(yes, we minted our first token and performed the first transaction in June 2018!)

Artwork courtesy of Cameron Morris
Updated 3 days ago