Bitcoin-Forward
Development & Consulting

SegWhat builds Bitcoin-native applications and provides consulting for businesses building on the Bitcoin network. We believe in self-sovereignty, open protocols, and software that puts users first.

Apps iOS, Android & watchOS
Bitcoin Node & network tooling
Consulting Architecture & integration
Open Source Community driven

Everything you need.
Nothing you don't.

BlockClock surfaces the Bitcoin metrics that matter — beautifully formatted and always up to date.

Connect Your Own Node

Point BlockClock at your Bitcoin Core node over your local network. Direct JSON-RPC — no middleman, no subscription, free forever.

Free

BlockClock Cloud

No node? No problem. BlockClock Cloud delivers the same real-time data with zero setup. 30-day free trial, then $0.99/month.

$0.99/mo

Apple Watch

Block height on your wrist. Four complication families — circular, rectangular, inline, and corner — show block height, halving progress, epoch supply, and total supply right on your watch face.

Home & Lock Screen Widgets

Glance at the block height without opening the app. Small, medium, circular, rectangular, and inline widgets for your home screen and lock screen.

Halving Countdown

Track the next halving with a live progress ring, blocks remaining, estimated time, current and next subsidy. Know exactly where you are in the cycle.

Supply Tracker

Watch the 21 million cap approach in real time. See total BTC issued, remaining supply, epoch minting progress, and subsidy per block.

Four themes. Your style.

BlockClock looks great in any light. Choose from four carefully crafted themes.

Dark theme
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Dark
Light theme
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Light
Solarized Dark theme
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Solarized Dark
Solarized Light theme
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Solarized Light

Two ways to connect

Use your own Bitcoin node or let us handle the infrastructure.

Free Forever

Your Node

  • Direct JSON-RPC to your Bitcoin Core
  • Works over local network or Tor
  • Peer count, chain size, IBD status
  • Full node details & soft fork info
  • No account required
  • Zero data leaves your network
30-Day Free Trial

BlockClock Cloud

  • No node setup needed
  • Data refreshed every 5 minutes
  • Block height, difficulty, hash rate
  • Mempool, halving, supply data
  • $0.99/month after trial
  • Cancel anytime

Bitcoin everywhere you look

Complications, widgets, and the full app — block height is never more than a glance away.

Watch complication
Complication

Watch Face Complications

Block height, halving ring, epoch supply, total supply — four complication types in every watch face size.

Home screen widget
Widget

Home Screen Widgets

Small and medium widgets show the latest block height right on your home screen.

Lock screen widget
🔒 Lock Screen

Lock Screen Widgets

Circular, rectangular, and inline lock screen widgets — check the block height without unlocking.

Connect to Your Own Node or Use the Cloud

Connect your own node for free. Or use BlockClock Cloud for less than a dollar a month.

Use Your Own Node

Free
forever
  • All app features
  • All widgets & complications
  • All themes
  • Phone App
  • Direct node connection

Bitcoin Consulting

Need help integrating Bitcoin into your product or business? We can help.

Node Infrastructure

Set up and manage Bitcoin Core nodes, Electrum servers, and Lightning infrastructure for your organization.

App Development

Custom Bitcoin-native iOS, Android, and web applications. From concept to App Store.

Architecture & Integration

Bitcoin payment integration, RPC architecture, and protocol-level consulting for your existing stack.

Get in Touch

Get BlockClock

Available on iOS and Android.