# Accounting Models & User Abstractions in Blockchains

<!-- markdown-link-check-enable -->
<center>
<iframe style="width: 90%; aspect-ratio: 1400/900; margin: 0 0; border: none;" src="slides.html"></iframe>
<br />
<a target="_blank" href="../../contribute/how-to/page.md#-how-to-use-revealjs-slides"><i class="fa fa-pencil-square"></i> How to use the slides</a> -
<a target="_blank" href="slides.html"><i class="fa fa-share-square"></i> Full screen (new tab)</a>
</center>
<!-- markdown-link-check-enable -->

<!-- Optionally, place other content for this lesson in the page *only* here -->

<center style="margin: 1.3em 0; font-size: 1.2em;"><i class="fa fa-chevron-circle-down"></i> <strong>Slides Content </strong><i class="fa fa-chevron-circle-down"></i></center>
{{#include slides.md}}
<a href="#top" style="position: fixed; right: 11%; bottom: 3%;"><i style="font-size: 1.3em;" class="fa fa-arrow-up"></i></a>