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< title > Theseus Navigator — the browser that speaks Bitcoin Cash names — sirius.x< / title >
< meta name = "description" content = "Theseus Navigator is a Chromium-based browser with native .bch / BCNR name resolution built in — no OS-level daemon, no DNS shim, no root-store install. Download for Windows." >
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< link rel = "icon" href = "../assets/favicon.svg" type = "image/svg+xml" >
< link rel = "mask-icon" href = "../assets/favicon.svg" color = "#d6ff3d" >
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< meta property = "og:type" content = "website" >
< meta property = "og:site_name" content = "sirius.x" >
< meta property = "og:title" content = "Theseus Navigator — the browser that speaks Bitcoin Cash names" >
< meta property = "og:description" content = "Native .bch and BCNR name resolution built into a Chromium browser. No OS-level daemon, no root-store install. Download for Windows." >
< meta property = "og:url" content = "https://silentmode.st/sirius-x/theseus/" >
sirius.x: /brand/ kit — logo, mono, avatar, banner, favicon, palette
brand/ ships every reusable mark plus a browseable kit page:
* logo.svg — full colour wordmark (star + sirius.x, .x in acid green)
* logo-mono.svg — currentColor version for print / one-colour merch
* favicon.svg — 64×64 rounded square, scales cleanly to 16×16
* avatar.svg — 512×512 square, hard corners (platforms round-mask)
* banner.svg — 1200×630 OG / Twitter Card canvas, crop-tolerant layout
* index.html — brand-kit page: asset previews + download links, full
colour palette with names/hex, typography sample, do/don't guidance,
MIT-attribution notice.
Nav: added 🎨 Brand link to every sirius.x page (landing, portal, docs,
theseus). og:image on every page updated to point at /brand/banner.svg
instead of the wordmark logo — social crawlers get a proper 1200×630
banner with title, tagline, and mark instead of a thin logo strip.
Kept /assets/favicon.svg and /assets/logo.svg in place so existing
external references (Nostr metadata, third-party embeds) don't break.
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< meta property = "og:image" content = "https://silentmode.st/sirius-x/brand/banner.svg" >
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< meta name = "twitter:card" content = "summary" >
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< style >
:root{
--bg:#0b0e14; --panel:#141a24; --panel2:#18202c; --line:rgba(255,255,255,.09);
--ink:#e7eaf1; --mut:#8b98a9; --dim:#5e6678; --acid:#d6ff3d;
--chain:#d6ff3d; --sia:#b39ddb; --srv:#4fd1a5; --ok:#4fd1a5; --taken:#f6768a; --warn:#ffc75f;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(1100px 560px at 50% -12%,#16202e,var(--bg));
color:var(--ink);font:16px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh}
a{color:var(--acid)}
.wrap{max-width:980px;margin:0 auto;padding:0 1.2rem}
.topnav{position:sticky;top:0;z-index:20;display:flex;gap:2px;align-items:center;flex-wrap:wrap;
padding:10px 1.2rem;background:rgba(11,14,20,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topnav .brand{font-weight:600;color:var(--ink);text-decoration:none;margin-right:14px;font-size:15px;letter-spacing:.2px}
.topnav .brand .g{color:var(--acid)}
.topnav a{color:var(--mut);text-decoration:none;padding:6px 12px;border-radius:8px;font-size:14px}
.topnav a:hover{color:var(--ink);background:var(--panel)}
.topnav a.here{color:var(--acid);background:rgba(214,255,61,.08)}
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.topnav a.portal{margin-left:auto;background:rgba(214,255,61,.10);color:var(--acid);font-weight:500}
.topnav a.portal:hover{background:rgba(214,255,61,.18)}
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header.hero{text-align:center;padding:5rem 1.2rem 1rem}
.mark{font-size:56px;line-height:1}
h1{font-size:clamp(2rem,5.5vw,2.9rem);margin:.4rem 0 .3rem}
h1 .g{color:var(--acid)}
.tag{color:var(--mut);font-size:1.05rem;max-width:660px;margin:0 auto}
.cta{margin-top:1.8rem;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;padding:11px 20px;border-radius:10px;background:#4b7bec;color:#fff;font-size:14px;border:none;cursor:pointer;font-family:inherit;transition:filter .1s}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn.acid{background:var(--acid);color:#0b0e14;font-weight:600}
.btn:hover{filter:brightness(1.12)}
section{padding:2.6rem 0;border-top:1px solid var(--line);margin-top:2.5rem}
section:first-of-type{border-top:none;margin-top:1.5rem}
h2{font-size:1.5rem;margin:0 0 .4rem}
h3{font-size:1.1rem;margin:0 0 .35rem}
.lede{color:var(--mut);margin:0 0 1.6rem;max-width:720px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.card h3{margin:0 0 .4rem;display:flex;align-items:center;gap:8px}
.card p{margin:0;color:var(--mut);font-size:14px}
.card .cta{margin-top:14px;justify-content:flex-start}
.card .sub{color:var(--dim);font-size:12.5px;margin-top:10px;font-family:ui-monospace,monospace;word-break:break-all}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.d-chain{background:var(--chain)} .d-sia{background:var(--sia)} .d-srv{background:var(--srv)}
.note{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--acid);
border-radius:10px;padding:14px 18px;color:var(--mut);font-size:14px;margin-top:1.4rem}
.note.warn{border-left-color:var(--warn)}
.note b{color:var(--ink)}
code,.mono{background:#0e131b;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-family:ui-monospace,monospace;font-size:13px}
pre{background:#0e131b;border:1px solid var(--line);border-radius:10px;padding:12px 14px;overflow-x:auto;
font-family:ui-monospace,monospace;font-size:13px;color:var(--ink);margin:1rem 0}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:10px}
ol.steps li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;gap:14px;align-items:start;
background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:13px 16px}
ol.steps li::before{content:counter(s);grid-column:1;grid-row:1;
display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
background:rgba(214,255,61,.14);color:var(--acid);font-size:12.5px;font-weight:700}
ol.steps li > *{grid-column:2;min-width:0}
ol.steps b{color:var(--ink)} ol.steps span{color:var(--mut);font-size:14px}
.pill{display:inline-block;font-size:11px;padding:2px 8px;border-radius:999px;background:rgba(214,255,61,.13);color:var(--acid);margin-left:8px;vertical-align:middle;font-weight:500}
footer{border-top:1px solid var(--line);padding:2.4rem 0 3.5rem;color:var(--dim);font-size:13px;text-align:center;margin-top:2.5rem}
< / style >
< / head >
< body >
< nav class = "topnav" >
< a class = "brand" href = "../" > ⭐ < span class = "g" > sirius.x< / span > < / a >
< a href = "../#try" > Try it< / a >
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< a href = "../docs/" > 📚 Docs< / a >
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< a href = "./" class = "here" > 🧭 Theseus< / a >
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< a href = "../#roadmap" > Roadmap< / a >
sirius.x: /brand/ kit — logo, mono, avatar, banner, favicon, palette
brand/ ships every reusable mark plus a browseable kit page:
* logo.svg — full colour wordmark (star + sirius.x, .x in acid green)
* logo-mono.svg — currentColor version for print / one-colour merch
* favicon.svg — 64×64 rounded square, scales cleanly to 16×16
* avatar.svg — 512×512 square, hard corners (platforms round-mask)
* banner.svg — 1200×630 OG / Twitter Card canvas, crop-tolerant layout
* index.html — brand-kit page: asset previews + download links, full
colour palette with names/hex, typography sample, do/don't guidance,
MIT-attribution notice.
Nav: added 🎨 Brand link to every sirius.x page (landing, portal, docs,
theseus). og:image on every page updated to point at /brand/banner.svg
instead of the wordmark logo — social crawlers get a proper 1200×630
banner with title, tagline, and mark instead of a thin logo strip.
Kept /assets/favicon.svg and /assets/logo.svg in place so existing
external references (Nostr metadata, third-party embeds) don't break.
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< a href = "../brand/" > 🎨 Brand< / a >
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< a href = "https://silentmode.st/" rel = "noopener" > Silent Mode ↗< / a >
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< a href = "../portal.html" class = "portal" > 🔑 Sign in< / a >
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< / nav >
< header class = "hero" >
< div class = "mark" > 🧭< / div >
< h1 > Theseus < span class = "g" > Navigator< / span > < / h1 >
< p class = "tag" > A Chromium-based browser with native < b > .bch / BCNR< / b > name resolution built in.
No OS-level daemon, no DNS shim, no root-store install. Type < code > hello.bch< / code > in the
address bar and it just works.< / p >
< div class = "cta" >
< a class = "btn acid" href = "#download" > Download for Windows< / a >
< a class = "btn ghost" href = "#how" > How it works< / a >
< / div >
< / header >
< div class = "wrap" >
< section id = "download" >
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< h2 > Download< / h2 >
< p class = "lede" > Theseus ships from its own site — < a href = "https://silentmode.st/bns/theseus.x/#download" rel = "noopener" > < b > theseus.x< / b > < / a > — so the version and checksums you see are always the current build, not a snapshot cached here. Windows installer + portable, plus Ariadne Resolver (lighter, no-browser).< / p >
< div class = "cta" style = "justify-content:flex-start;margin-top:1.2rem" >
< a class = "btn acid" href = "https://silentmode.st/bns/theseus.x/#download" rel = "noopener" > Open theseus.x downloads →< / a >
< a class = "btn ghost" href = "https://silentmode.st/bns/theseus.x/" rel = "noopener" > Full Theseus site< / a >
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< / div >
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< div class = "note" style = "margin-top:1.4rem" > < b > Why not list versions here?< / b > Theseus updates weekly; a hardcoded version on this page went stale within days last time. theseus.x is the single source of truth — its own operator ships the current build, and sirius.x links there instead of duplicating.< / div >
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< / section >
< section id = "how" >
< h2 > How Theseus works< / h2 >
< p class = "lede" > Theseus is a Chromium wrapper (Electron) with two things regular browsers don't
have: in-process BCNR name resolution, and a certificate-verify hook that trusts on-chain
TLS fingerprints instead of the OS root store for BCNR hostnames.< / p >
< ol class = "steps" >
< li > < b > Address bar accepts < code > .bch< / code > / < code > .x< / code > / any BCNR TLD.< / b >
< span > The URL parser is short-circuited: any hostname whose TLD is in the registry is
resolved by walking the chain via the built-in < code > bns.js< / code > — never through DNS.< / span > < / li >
< li > < b > Records decide how the site is served.< / b >
< span > < code > h< / code > renders inline HTML from the OP_RETURN payload itself. < code > s3< / code >
serves from a Sia bucket via the in-app gateway. < code > ip< / code > connects to a server by
IP. < code > u< / code > redirects. Priority is handled by the shared < code > record-picker< / code > .< / span > < / li >
< li > < b > TLS verifies against on-chain fingerprints.< / b >
< span > Electron's < code > setCertificateVerifyProc< / code > is intercepted: for BCNR hostnames,
instead of walking the OS trust chain, the leaf's SHA-256 fingerprint is compared to the
< code > tls< / code > record on chain. Matches → trusted. No < code > tls< / code > record → the
browser falls back to the local root CA.< / span > < / li >
< li > < b > Provenance indicator in the URL bar.< / b >
< span > A tiny badge shows whether the page came from the chain, from Sia, or from an
IP-configured server — with the NFT category shown on hover. The decentralized padlock.< / span > < / li >
< / ol >
< div class = "note" > < b > What Theseus is NOT.< / b > Not a wallet — for that, use Deviant, Cashonize,
Paytaca, or the built-in browser wallet at
< a href = "https://silentmode.st/sirius/register.html" rel = "noopener" > sirius/register.html< / a > .
Not a hosting service — for that, register a name and point its records at any host (Sia, VPS,
your own server). Theseus just makes those names openable in a normal-feeling browser.< / div >
< / section >
< section id = "verify" >
< h2 > Verify a download< / h2 >
< p class = "lede" > The binaries are unsigned (Windows will show a SmartScreen warning). Before
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running, verify the SHA-256 against what the operator publishes on-chain — the current
hashes live on the theseus.x download page itself, alongside each release:< / p >
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< pre > PowerShell:
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Get-FileHash < downloaded-file> .exe
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Bash:
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sha256sum < downloaded-file> .exe< / pre >
< p class = "lede" > Compare the digest to the hash panel on
< a href = "https://silentmode.st/bns/theseus.x/#verify" rel = "noopener" > theseus.x/#verify< / a > .
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For a stronger guarantee, sign in with the wallet and check that the release-signing key
matches the on-chain identity for < code > releases.silentmode.bch< / code > .< / p >
< / section >
< / div >
< footer >
Theseus Navigator on sirius.x ·
< a href = "../" > back to sirius.x< / a > ·
< a href = "https://silentmode.st/tools/" > Silent Mode Tools< / a > ·
< a href = "https://silentmode.st/releases/" > Release notes< / a > < br >
Alpha, Windows for now. macOS and Linux builds are on the roadmap.
< / footer >
< / body >
< / html >
