---
tags: Chia, Chia coin
---
# Chia Coin:

## :memo: todo list
1. Chia coin structure
https://docs.chia.net/docs/04coin-set-model/what-is-a-coin/

### 1. Chia coin structure

class Coin:
    parent_coin_info: bytes32  # The coinID of the parent coin.
    puzzle_hash: bytes32  # The hash of the puzzle that locks this coin.
    amount: uint64  # The amount of XCH in this coin, in the mojos unit: 1 XCH = 1 trillion mojos.

`coinID == sha256(parent_ID + puzzlehash + amount)`
`coinID == coin_name`

* What's the coinID?

* What can coinID do?

* What is parent_coin_info?

* What is puzzle_hash in Coin meaning?

### 2. Spends
The data required to spend a coin is:

The coin ID
The puzzle (full CLVM source code)
The solution to the puzzle

* How to spend coins?

* Please list spending flow.