Proof of Presence
7aychain verifies real humans in real places using the physics of internet signals. No cameras. No biometrics. No specialized hardware.
A Layer 1 built for the one thing AI can never fake: being somewhere.
The Principles Behind the Protocol
Four foundations that make physics-based verification possible.
Rooted in Physics
Internet signals travel at the speed of light. By measuring timing from multiple validators, the network pins your real-world location — no GPS needed.
Private by Default
The network proves you were present without learning where. Your location is committed as a hash, verified through ZK proofs, and never stored in plain text.
Economically Secured
Every validator has skin in the game. Lie about someone's location and you lose your stake. Honesty is the only profitable strategy.
Unforgeable by AI
AI generates text, images, and synthetic identities. It cannot physically exist at a coordinate. Presence is the proof of humanity that resists automation.
From Signal to Sealed Proof
Three steps. No middlemen. Your presence — verified and permanent.
You Show Up
Declare + CommitYour device submits a sealed commitment — a cryptographic hash that says “I am here” without revealing where. One tap. No biometrics. No hardware.
The Network Measures You
Attest + TriangulateA circle of validators independently measures your signal timing from multiple points. They estimate your position — without you ever sharing it.
Your Proof Is Sealed
FinalizeWhen enough validators agree, your presence is locked on-chain — an immutable record that you were physically there. You own it forever.
Four Layers, One Protocol
Each layer builds on the one below — from raw networking to the apps you interact with.
Network Foundation
How nodes discover peers, reach consensus, and produce blocks. Every validator plays by the same rules, enforced by the protocol.
Presence Engine
The core innovation: measuring network timing from multiple points to pin your real-world position. Validators form circles, measure, and verify — all without GPS.
Security & Privacy
Defense in depth: validators stake real value, disputes resolve on-chain, and ZK proofs keep your exact location private.
Applications
What gets built on verified presence: fair governance, secure data vaults, trust networks, and coordination tools.
Your Location Is Verified, Never Revealed
Zero-knowledge proofs let the network confirm you were somewhere without learning where. Your data never leaves your control.
Even the validators who measure your signal never see your coordinates. They confirm one thing: “yes, this person was physically present.”
Commit-Reveal
Submit a sealed hash of your presence first. Only after it's locked do you reveal the data — preventing tampering and front-running.
Zero-Knowledge Proofs
Mathematical proofs that verify “this person was here” without revealing where. The network never sees your location.
Replay Protection
Each proof generates a unique identifier that prevents reuse — blocking replay attacks while keeping you fully anonymous.
Join the Presence Economy
Protocol milestones, validator updates, and early access drops — delivered to those who show up first.
Signal only. No noise. Unsubscribe anytime.