---
# This file is licensed under the MIT License (MIT) available on
# http://opensource.org/licenses/MIT.

layout: devdoc-category
id: developer-guide
breadcrumbs:
  - bitcoin
  - dev docs
  - dev docs guides
show_fragments: true
show_toc: true
---

<div class="toccontent-block toccontent-intro" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/intro.md _data/devdocs/en/guides/intro.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/block_chain.md _data/devdocs/en/guides/block_chain.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/transactions.md _data/devdocs/en/guides/transactions.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/contracts.md _data/devdocs/en/guides/contracts.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/wallets.md _data/devdocs/en/guides/wallets.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/payment_processing.md _data/devdocs/en/guides/payment_processing.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/operating_modes.md _data/devdocs/en/guides/operating_modes.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/p2p_network.md _data/devdocs/en/guides/p2p_network.md %}
</div>

<div class="toccontent-block boxexpand expanded" markdown="block">
{% include_absolute _data/devdocs/{{page.lang}}/guides/mining.md _data/devdocs/en/guides/mining.md %}
</div>