# Global

Global variables holds blockchain values that are connected to the running native transaction. 

### How to use

The returned data are kept in bytes format for each call. That means that in order to use a variable there is a need to tell the FCT engine from what call and with what offset the value exist.

#### Block Number

`0xFB0A000000000000000000000000000000000000`\
`or`\
`0xFB0A000000000000000000000000000000000000000000000000000000000000`<br>

#### Block Timestamp

`0xFB0B000000000000000000000000000000000000`\
`or`\
`0xFB0B000000000000000000000000000000000000000000000000000000000000`<br>

#### Gas Price

`0xFB0C000000000000000000000000000000000000`\
`or`\
`0xFB0C000000000000000000000000000000000000000000000000000000000000`<br>

{% hint style="success" %}
`FB stands for "Future Blockchain"`
{% endhint %}

#### `Miner` Address

`0xFA0A000000000000000000000000000000000000`<br>

#### &#x20;Activator Address

`0xFA0D000000000000000000000000000000000000`<br>

#### &#x20;Funder Address

`0xFA0C000000000000000000000000000000000000`<br>

{% hint style="success" %}
`FA stands for "Future Address"`
{% endhint %}

#### Block Hash

Hash of one of the recent 256 blocks. The number is the distance from the current block.\
The available range is:\
`0x00FF00000000000000000000000000000000000000`\
`...`\
`0x00FF000000000000000000000000000000000000ff`\
\
`or` \
\
`0xFF00000000000000000000000000000000000000000000000000000000000000`\
`...`\
`0xFF000000000000000000000000000000000000000000000000000000000000ff`

{% hint style="info" %}
If current block is 10,400,100 "**0xFB0D**000....000**2**" holds the hash of block 10,400,097
{% endhint %}


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