Prove you are a real person from your passport chip
Self reads your passport chip on your phone and proves one fact, such as age or nationality, with a zero knowledge proof.
- 10 minutes
- 3 steps
- Free
- easy
Chapter 1 · The wall
The wall you hit
Proving who you are used to mean handing over everything. Now it can be one fact.
Chapter 2 · The power
What changes now
Self reads your passport chip on your phone and proves one fact, such as age or nationality, with a zero knowledge proof.
Chapter 3 · Do it
Do it yourself
- Install the Self app.
- Tap your passport to your phone to read the chip.
- Share one proof, such as over 18, with an app that asks.
- 10 min
- Free
- easy
Wallet or sign-in will not open in here? Open Self in a new tab ↗
Chapter 4 · Prove it
Prove it worked
A proof that shows one fact and nothing else.
Chapter 5 · Next star
Your next star
- Own · 5 min · FreeMint your own did:key identity in your browserGenerate an Ed25519 did:key locally, back it up under your own passphrase, and sign messages with it; the key never leaves the tab.Go to this star →
- Own · 10 min · The protocol is free; you pay network gas, usually a fraction of a cent on Base and other L2sGive or get a work reference that lives onchainThe Ethereum Attestation Service lets anyone sign a public statement about a wallet, such as 'delivered this project', that anyone can verify later without asking the signer.Go to this star →
Chapter 6 · Build
Build what is missing
A refugee skills page that pairs a Self proof with vouches.
Who could build it People with a passport but no local papers.
Questions
How long does it take to prove you are a real person from your passport chip?
About 10 minutes, in 3 steps. The first step is: Install the Self app.
What does it cost?
Free. Start with the free parts, and never put in more than you can afford to lose.
Do I need to be technical?
It is rated easy. Self reads your passport chip on your phone and proves one fact, such as age or nationality, with a zero knowledge proof.
How do I know it worked?
A proof that shows one fact and nothing else.