# Glossary

> **In short** Plain definitions for the terms used in this paper.

| Term | Meaning |
| --- | --- |
| **Kin identity** | A private proof that its owner is a real, unique person |
| **Kin ID** | The app where a Kin identity is created, and where people meet, chat and mine |
| **Verified human** | A member who has passed the liveness and one face, one account check |
| **Kin OAuth** | A sign in button that tells apps a user is human and unique, and nothing else |
| **Kin Pass** | A one tap replacement for image puzzles on websites |
| **$KIN** | The reward of the human network, with a fixed supply of 1.5 billion |
| **Share** | One of the four parts of the $KIN supply, each with a hard cap |
| **Session** | An 8 hour mining period at a fixed speed |
| **Base speed** | The mining speed everyone starts from; it halves every 150 million KIN mined |
| **Halving** | The point at which the base speed halves |
| **Mining days** | Days in a row with a mining session; they raise your speed up to ×5 |
| **Team multiplier** | The boost from friends you invited who are mining, up to ×150 |
| **Friends of friends** | People your friends invited; each time one starts mining, you get 1 hour of the base speed |
| **Trust circle** | Up to 5 friends you vouch for; each who mined in the last 24 hours adds 10% to your speed, up to +50% |
| **Kin Ambassador** | A member with 250 invited friends who mine, approved by the Kin team to lead Kin in their community |
| **Lead Ambassador** | The one ambassador per country chosen by the Kin team, who earns double |
| **Rain** | $KIN shared with everyone in a room |
| **Snapshot** | The moment balances are recorded for the airdrop |
| **Airdrop** | Sending mined $KIN, as tokens, to verified humans |
| **BEP-20** | The token standard on BNB Smart Chain |
| **Liveness check** | A check that a live person, not a photo, mask or deepfake, is in front of the camera |
| **Face template** | Numbers that describe a face well enough to spot a duplicate, but can't be turned back into a picture |
| **Zero knowledge proof** | A proof that something is true, such as being a verified human, that reveals nothing else |