{% capture cache_block_list_key %}cache_block_list_key_ci4_{{ data.id }}_{{ data.updated_at }}_{{ collections.last_updated_at }}_{{ language.locale }}{% endcapture %}
{% cache cache_block_list_key %}
    {% for  block  in data.blocks %}
        {% if block.collection %}
        ...
        {% endif %}
    {% endfor %}
{% endcache %}