Connect with other builders, talk to teams looking for talent, meet your users, or showcase your app at the Ethereum World’s Fair. Explore what Ethereum is for and what it enables, test applications, and win in some fun challenges.

The standard for secure onchain applications at any scale. Build, secure, and operate across 30+ chains with OpenZeppelin Contracts and open source tools. Lock down your code with our gold-standard smart contract and blockchain infrastructure audits.

This POAP was given to visitors of the Nethermind booth at the Ethereum World’s Fair during Devconnect 2025. It celebrates the builders and researchers exploring how Nethermind engineers the foundations of blockchain: from the Ethereum client to AI-driven security and privacy-preserving identity.

You've met 1inch team at ETHCC7 Party, here's your POAP!

Celebrate your participation at EthCC with this Nethermind POAP! This badge commemorates your involvement in our special events and sessions at the Ethereum Community Conference. Thank you for joining us and contributing to the future of blockchain.

Opening Ceremony EthCC[7] https://collections.poap.xyz/ethcc7/2834

EthCC[7] General Attendee https://collections.poap.xyz/ethcc7/2834

Thanks for being a part of the HSBC Web3 & AI Community in 2023. We are a group of HSBC employees that are learning the latest in our industry to be a part of the digital transformation happening using Web3 and AI. Each member will mint a POAP using the link given to them in person using our NFC nft stickers containing a unique link, or using our magical QR dispenser during our private internal webinar meetings.