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<span class="word">IGNEUM</span>
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<h1>A proof-of-work chain for graphics cards, whose miners prove the blocks.</h1>
<div class="cta">
<a href="#get" class="btn primary">Download the miner</a>
<a href="/litepaper" class="btn">Read the litepaper</a>
</div>
</div>
<div class="bleed">
<div class="scene"><canvas id="dag" aria-label="The live devnet's block graph: time-aligned miner lanes, every parent connection, the selected chain as one path, checkpoint bands as the observer reports them"></canvas><div class="tip" id="dag-tip" hidden></div><div class="chip-zoom" id="dag-chip" hidden>scroll to zoom · Esc to release</div></div>
<div class="legend-row">
<div class="lg">
<span><i class="lgi" style="border:1.5px solid var(--included)"></i>Included</span>
<span><i class="lgi" style="border:1.5px solid var(--excluded)"></i>Excluded</span>
<span><i class="lgi" style="border:1.5px solid var(--ember);background:var(--ember-12)"></i>Selected chain</span>
<span><i class="lgi tick"></i>Proven</span>
<span><i class="lgi" style="border:1.5px solid var(--ember);border-radius:50%"></i>Locked checkpoint</span>
</div>
<span id="steps-caption" class="mono" aria-live="polite">Connecting to the devnet observer.</span>
</div>
</div>
</header>
<section id="facts" class="sec">
<div class="wrap">
<div class="facts">
<div class="fact"><div class="k">Live now</div><div class="v" id="f-hash">pending</div><p><span id="f-keys">pending</span> vote keys mined a block in the last ten minutes; a card runs several.</p></div>
<div class="fact"><div class="k">Proven and paid</div><div class="v" id="f-paid">pending</div><p>shards proven and paid on the chain so far, <span id="f-paid10">pending</span> of them in the last ten minutes.</p></div>
<div class="fact"><div class="k">The chip model</div><div class="v">5x to 9x</div><p>Built for graphics cards. In our public model the strongest chip reaches 5x to 9x per joule against an RTX 5090 today; class v4, now on the vote, brings that to 2.1x to 3.9x, and class v5 makes the dataset the chain’s own state, so a chip that stores it or recomputes it is wrong on every item. <a href="/litepaper#chip-model">The model and every measurement are public.</a></p></div>
</div>
<p class="note" id="facts-note">One node is read every 2 s. The chip figures are a cost model, not a measurement.</p>
</div>
</section>
<section id="get" class="sec">
<div class="wrap">
<div class="sec-head">
<div class="eyebrow"><span data-product="full">Igneum Ember</span> · one click</div>
<h2 id="mine">Install. Start. The card mines.</h2>
</div>
<div class="dl-row">
<a data-dl="miner-windows" href="https://dl.igneum.network/public/igneum-miner-windows.exe" class="primary"><svg class="osmark" viewBox="0 0 24 24" width="28" height="28" fill="currentColor" aria-hidden="true"><path d="M3 5.5l7.5-1v7H3zM11.5 4.3L21 3v8.5h-9.5zM3 12.5h7.5v7L3 18.5zM11.5 12.5H21V21l-9.5-1.3z"/></svg><b>Windows</b> <span data-dl-meta="miner-windows">v0.3.18 · 62.6 MB</span></a>
<a data-dl="miner-mac" href="https://dl.igneum.network/public/igneum-miner-mac.dmg"><svg class="osmark" viewBox="0 0 24 24" width="28" height="28" fill="currentColor" aria-hidden="true"><path d="M16.4 12.6c0-2.3 1.9-3.4 2-3.5-1.1-1.6-2.8-1.8-3.4-1.8-1.4-.1-2.8.8-3.5.8-.7 0-1.8-.8-3-.8-1.5 0-3 .9-3.8 2.3-1.6 2.8-.4 7 1.2 9.3.8 1.1 1.7 2.4 2.9 2.3 1.2 0 1.6-.7 3-.7s1.8.7 3 .7c1.3 0 2-1.1 2.8-2.3.9-1.3 1.2-2.6 1.3-2.6-.1 0-2.5-.9-2.5-3.7zM14.1 5.8c.6-.8 1.1-1.9.9-3-.9 0-2 .6-2.7 1.4-.6.7-1.1 1.8-1 2.9 1.1.1 2.1-.5 2.8-1.3z"/></svg><b>macOS</b> <span data-dl-meta="miner-mac">v0.3.18 · 42.0 MB</span></a>
<a href="/miner#get"><svg class="osmark" viewBox="0 0 24 24" width="28" height="28" fill="currentColor" aria-hidden="true"><path d="M12 2c-2.4 0-4 1.9-4 4.6 0 1.2.2 2 0 2.8-.6 1.4-2.1 2.9-2.6 4.9-.3 1.1-.1 2 .3 2.6-.6.4-1.3 1-1.1 1.7.3 1 2.1 1.2 3.2 1.8.7.4 1.5.6 2.1.1.6.2 1.3.3 2.1.3s1.5-.1 2.1-.3c.6.5 1.4.3 2.1-.1 1.1-.6 2.9-.8 3.2-1.8.2-.7-.5-1.3-1.1-1.7.4-.6.6-1.5.3-2.6-.5-2-2-3.5-2.6-4.9-.2-.8 0-1.6 0-2.8C16 3.9 14.4 2 12 2zm-1.4 4.2c.5 0 .8.5.8 1.2s-.3 1.2-.8 1.2-.8-.5-.8-1.2.3-1.2.8-1.2zm2.8 0c.5 0 .8.5.8 1.2s-.3 1.2-.8 1.2-.8-.5-.8-1.2.3-1.2.8-1.2zM12 9.3c.9 0 1.9.5 1.9 1s-1 1.2-1.9 1.2-1.9-.7-1.9-1.2 1-1 1.9-1zm0 3.4c2.2 0 3.6 2.6 3.6 4.4 0 1.5-1.6 2.3-3.6 2.3s-3.6-.8-3.6-2.3c0-1.8 1.4-4.4 3.6-4.4z"/></svg><b>Linux · HiveOS</b> <span>on the miner page</span></a>
</div>
<p class="notice" data-devnet-notice><b>Devnet.</b> Coins have no value and the chain may be reset.</p>
<p class="notice" data-testnet-notice>Public testnet: not yet open; the devnet build is here for people who want to look. The public testnet is weeks away: three seed nodes and the public RPC are up, and it opens when the go checklist closes.</p>
<p class="notice"><a href="/miner">Read more about the miner</a>. The protocol carries no fee. The one payment to the project is the Ember software's optional 1% dev fee, like other GPU miners, off with one flag. Download only from this domain. Nobody from Igneum will ask for your seed. Questions: <a href="https://discord.gg/igneum" rel="noopener">the Discord</a>.</p>
</div>
</section>
<section id="ledger" class="sec">
<div class="wrap">
<div class="ledger-line">
<p>Every criticism, answered or conceded, and <a href="/litepaper#limits">what Igneum does not claim</a>.</p>
<a href="/ledger" class="btn">The ledger</a>
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