Living NFTs

The token stays the same. The data evolves. A Master Weaponsmith credential that updates with every successful craft. A Champion Belt that records every title defense. A win streak counter that resets on a loss.

On-Chain Attributes

Mutable key-value pairs stored directly in the smart contract. Games set attributes via authorized calls. Anyone can read them. Gas-efficient using bytes32 keys and uint256 values.

Best For

Reputation systems, skill progression, dynamic achievements, competitive rankings, evolving characters.