This badge asserts that you were a staked hacker at ETHGlobal's UniCode 2021.

Nimbus Challenge Coin POAPs are provided by Eth2 client teams to members of the community who have provided significant contributions to the success of the team during the early days of the beacon chain.

This POAP belongs to the Subgraph developers who have built and published Subgraphs on The Graph, contributing to Web3 by building open APIs.