Built for Colosseum Hackathon · Solana Devnet
Proof of PresenceProof of Presence

For Every Event, Everywhere.

Signal is the sybil-resistant verification layer for live events. Attach it to any Luma or Eventbrite event — attendees scan your QR, verify their humanity with World ID, check in on Solana, and earn a permanent NFT. One human, one score. No fakes.

Attach to EventCheck In
Events On-Chain
Registered Members
Proof-of-Presence

Attach. Scan. Earn.
The full loop in 3 steps.

1
Attach to Event
Paste your Luma or Eventbrite URL. Signal deploys a check-in layer on Solana and generates a QR code — one transaction.
Attach Now
2
Scan & Check In
Attendees scan the QR with Phantom Wallet. Verify humanity with World ID — one human, one check-in per event — then submit on-chain. Sybil-resistant by default.
Check In
3
NFT + Score
Every check-in mints a Metaplex NFT and updates the attendee's Signal Score. Permanent proof of presence, forever on-chain.
Builder Passport
Upcoming Events

Superteam Calendar

Powered by lu.ma/superteam
View all Superteam events on Luma

Frequently Asked Questions

Signal turns event attendance into on-chain identity. Show up → scan QR → get verified proof on Solana. Forever.

Organizer creates event → gets a QR code. You scan with Phantom at the door. Solana transaction confirms → NFT mints to your wallet instantly.

Every check-in earns you an attendance NFT badge and Signal Score points. Win hackathons and claim verified Achievement NFTs. Your Builder Passport shows everything in one place.

You earn points for real verified actions — check-ins, hackathon wins, streaks. Score is calculated from NFTs in your wallet only. Nothing is self-reported. Nothing is editable.

Your reputation as a builder. One number that proves you actually show up and ship things. Can't be bought. Can't be faked. Every point is an on-chain transaction.