# 종이 스마트 컨트렉트

### Smart Contract 배포 정보

{% tabs %}
{% tab title="CarbonEmission" %}

#### Contract

<pre><code><strong>Contract Address: 0xd1a1e5938627ed9eba510b543e3b471e9ad59242
</strong><strong>Transaction Hash : 0x6c365e76b59a34669b0fc5777f712e24e0f1a93eaa3306dde53cc709c69f9baf
</strong></code></pre>

#### Explorer URL

URL: <https://explorer.gesia.io/accounts/0xd1a1e5938627ed9eba510b543e3b471e9ad59242>
{% endtab %}

{% tab title="Calculator" %}

#### Contract

```
Contract Address: 0xa9bf6cbeead548858cf2b07002e561f70e067fbd
Transaction Hash : 0xec670f25104c82297fd79e67d5b2450125c05f051b9951d7d56c5526da332691
```

#### Explorer URL

URL: <https://explorer.gesia.io/accounts/0xa9bf6cbeead548858cf2b07002e561f70e067fbd>
{% endtab %}
{% endtabs %}

### 주요 계산 공식

```
# emission factor of paper: 0.113

# If you know the weight of paper
emission factor of paper(kgCO2/kg) x weight of paper(kg) x number of paper

# If you don't know the weight of paper
emission factor of paper(kgCO2/kg) x 80 x area of paper(m²) x number of paper
```

### 출처

{% embed url="<https://www.holmen.com/en/paper/sustainability/sustainability-stories/how-to-undrestand-carbon-footprints>" %}
How to read Paper Carbon Footprints
{% endembed %}

### Github 링크

{% embed url="<https://github.com/gesia-platform/carbon-paper-calculator>" %}
Carbon Paper Calculator Github
{% endembed %}


---

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