<ul>

<li class="cef-mega-menu-bb cef-mega-menu-bb-big-data">
<a href="https://ec.europa.eu/digital-building-blocks/sites/x/UQfvB"><span class="title-bb">Big data</span>
A free big data analytics sandbox to power your data-driven decision-making
</a>
</li>

<li class="cef-mega-menu-bb cef-mega-menu-bb-earchiving">
<a href="https://ec.europa.eu/digital-building-blocks/sites/x/UQfvB"><span class="title-bb">eArchiving</span>
Preserve, migrate and reuse data securely, according to European Standards
</a>
</li>

<li class="cef-mega-menu-bb cef-mega-menu-bb-einvoicing">
<a href="https://ec.europa.eu/digital-building-blocks/sites/x/UQfvB"><span class="title-bb">eInvoicing</span>
Send and receive electronic invoices in line with European directives
</a>
</li>

</ul>

<ul>

<li class="cef-mega-menu-bb cef-mega-menu-bb-blockchain">
<a href="https://ec.europa.eu/digital-building-blocks/sites/x/e4DEBg"><span class="title-bb">Blockchain</span>
Build the next generation of European Blockchain services
</a>
</li>

<li class="cef-mega-menu-bb cef-mega-menu-bb-edelivery">
<a href="https://ec.europa.eu/digital-building-blocks/sites/x/jQTvB"><span class="title-bb">eDelivery </span>
Exchange electronic data and documents in an interoperable and secure way
</a>
</li>

<li class="cef-mega-menu-bb cef-mega-menu-bb-einvoicing">
<a href="https://ec.europa.eu/digital-building-blocks/sites/x/9gTvB"><span class="title-bb">eSignature</span>
Create and verify electronic, paperless signatures
</a>
</li>

</ul>