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<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-14"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-14">Does messaging on Waku require a gas fee?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p>No, sending and receiving messages on Waku involves no gas fee.</p></div></div></div>
<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-15"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-15">What encryption does Waku use?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p>Waku uses libp2p noise encryption for node-to-node connections. However, no default encryption method is applied to the data sent over the network. This design choice enhances Waku&#x27;s encryption flexibility, encouraging developers to use custom protocols or Waku message payload encryption methods freely.</p></div></div></div>
<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-16"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-16">Where does Waku store the messages?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p>Waku&#x27;s <a href="/learn/concepts/protocols#store">Store protocol</a> is designed to temporarily store messages within the network. However, Waku does not guarantee the message&#x27;s availability and recommends using <a href="https://codex.storage/">Codex</a> for long-term storage.</p></div></div></div>
<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-17"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-17">Can Waku only be used for wallet-to-wallet messaging?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p>No, Waku is flexible and imposes no specific rules on identifiers.</p></div></div></div>
<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-18"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-18">How does Waku differ from IPFS?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p>Waku focuses on short, ephemeral, real-time messages, while IPFS focuses on large, long-term data storage. Although there&#x27;s an overlap between the two technologies, Waku does not currently support large data for privacy reasons.</p></div></div></div>
<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-19"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-19">What are Rate Limiting Nullifiers (RLN)?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p><a href="/learn/concepts/protocols#rln-relay">Rate Limiting Nullifier</a> is a zero-knowledge (ZK) protocol enabling spam protection in a decentralized network while preserving privacy. Each message must be accompanied by a ZK proof, which <a href="/learn/concepts/protocols#relay">Relay</a> nodes verify to ensure the publishers do not send more messages than they are allowed. The ZK proof does not leak any private information about message publishers - it only proves they are members of a set of users allowed to publish a certain number of messages per given time frame.</p></div></div></div>
<div class="mdx-accordion-item"><input type="checkbox" id="accordion-item-20"><div role="button" class="mdx-accordion-item__header"><label class="lsd-typography lsd-typography--h5 mdx-accordion-item__title" for="accordion-item-20">How to start a Waku node?</label><div class="mdx-accordion-item__icon"><div class="icon_S7Kx m_thRi stroke_N8dm"><svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" fill="none" viewBox="0 0 18 18"><path stroke="#fff" d="M9 17.5V.5M.5 9h17"></path></svg></div></div></div><div class="mdx-accordion-item__content-wrapper"><div class="mdx-accordion-item__content"><p>Follow the README instructions at <a href="https://docs.waku.org/guides/nwaku/run-node">nwaku-compose</a>.</p></div></div></div></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="row margin-top--sm theme-doc-footer-edit-meta-row"><div class="col"><a href="https://github.com/waku-org/docs.waku.org/tree/develop/docs/learn/faq.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><div class="icon_S7Kx m_thRi"><svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="none" viewBox="0 0 16 16"><path fill="#fff" fill-rule="evenodd" d="m12.707 2.393.9.9c.526.52.526 1.367 0 1.887L4.787 14H2v-2.787l6.933-6.94 1.887-1.88c.52-.52 1.367-.52 1.887 0M3.333 12.667l.94.04 6.547-6.554-.94-.94-6.547 6.547z" clip-rule="evenodd"></path></svg></div><span class="lsd-typography lsd-typography--body2">Edit this page</span></a></div><div class="col lastUpdated_JAkA"></div></div></footer></article><nav class="docusaurus-mt-lg pagination-nav" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/learn/glossary"><div class="icon_S7Kx m_thRi"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" fill="none" viewBox="0 0 14 14"><path fill="#fff" d="M11.667 6.417h-7.1L7.83 3.156 7 2.333 2.334 7 7 11.667l.823-.823-3.255-3.26h7.099z"></path></svg></div><span class="lsd-typography lsd-typography--body2 pagination-nav__label">Glossary</span></a></nav></div></div><div class="gap1_XuuQ"></div></div></div></main></div></div></div><footer class="footer"><div class="container container-fluid firstRow_ar1q"><div class="footer__bottom text--center"><div class="margin-bottom--sm"><a class="footerLogoLink_BH7S" href="/"><img src="/theme/image/logo.svg" alt="Waku" class="themedImage_kfRS themedImage--light_BL8e footer__logo" width="22"><img src="/theme/image/logo.svg" alt="Waku" class="themedImage_kfRS themedImage--dark_OvIx footer__logo" width="22"></a></div><div class="footer__copyright">Waku</div></div><div class="row footer__links"><div class="theme-layout-footer-column col footer__col"><div class="footer__title">Community</div><ul class="footer__items clean-list"><li class="footer__item"><a href="https://twitter.com/waku_org/" target="_blank" rel="noopener noreferrer" class="footer__link-item">X<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://discord.waku.org/" target="_blank" rel="noopener noreferrer" class="footer__link-item">Discord<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://github.com/waku-org/" target="_blank" rel="noopener noreferrer" class="footer__link-item">GitHub<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://www.youtube.com/@wakuorg" target="_blank" rel="noopener noreferrer" class="footer__link-item">YouTube<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_nPIU"><use href="#theme-svg-external-link"></use></svg></a></li><li class="footer__item"><a href="https://www.linkedin.com/company/waku-org" target="_blank" rel="noopener noreferrer" class="footer__link-item">LinkedIn<svg width="13.5" height="13.5" aria-hidden="true" class="iconExternalLink_
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