How not to display information from the model field in the database if it is not filled?

Question

Django

How not to display information from the model field in the database if it is not filled?
example:

{% if games.game_currency.blank %}
    <p></p>
{% else %}
    <p><a href="{{ games.currency_absolute_url }}">{{ games.game_currency }}</a></p>
{% endif %}
<p><a href="{{ games.accounts_absolute_url }}">{{ games.game_account }}</a></p>
<p><a href="{{ games.items_absolute_url }}">{{ games.game_items }}</a></p>
<p><a href="{{ games.services_absolute_url }}">{{ games.game_services }}</a></p>
<br>

Answer 1

1. Where did blank come from?
2. let's start reading the documentation thoughtfully