Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And what's really cool about this, what makes these things biometric is that they effectively have a signature through kind of a certificate authority chain
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
leading up to countrywide certificate that basically attests by your home country that this ID is valid.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And so a few people know this, but modern passports today, they have this little biometric passport logo on them.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
It's a little rectangle with a little circle in it.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
That means that there is a microchip in your ID.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
You have this also for national IDs increasingly.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And that ID can be read by NFC.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And the data that you read by NFC includes a signature that basically proves the authenticity of your ID.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And so what Self is, is it's a ZK passport protocol effectively that proves on chain that you have a valid ID.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And what's cool about this is you can take the third party out of ID verification, right?
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
Usually when you verify your ID, you're signing up for Coinbase.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
Coinbase has some third party that they use and you're kind of giving your ID information to some third party.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
They're looking at it.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
They're saying, does it look like it's forged or not?
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
If not, then they attest that you have a valid ID.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
Well, now with smart contracts, you can do that on chain without that third party.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
You can just verify the correctness of the signatures in a smart contract.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
And that's pretty cool because you don't have to give your data to someone who, you know, might lose it, might get hacked.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
You know, we've seen just an incredible amount of KYC data hacks lately that honestly, truly frightening in many ways.
Bankless
The Most Underrated Chain: Celo’s Surprising Traction Around the World | Marek Olszewski
But even better than that, you can do it in ZK.