Labs
Experimental projects and demos that Second builds with Bark, our implementation of the Ark protocol. Try each one live or read the source code to see how it works.
Byte plays Jev
Rock, paper, scissors against a dog who reads your next throw. Stake 1,000 sats and get paid over Ark the moment you win.
Swaptopia
Swap desk between on-chain bitcoin and Lightning.
Event Faucet
Scan a QR, paste your Ark address, and receive sats instantly.
Bark Pay
Self-hosted bitcoin payment processor: Accept Lightning, Ark, and on-chain payments.
VTXO inspector
Decode your VTXOs structure, exit chain and signatures in your browser.
Bark Wallet
Send and receive bitcoin across Lightning, Ark, and on-chain from a single, simple wallet.
Kotlin demo
A native Android wallet built with Kotlin and Bark's Kotlin bindings. Create a wallet, receive bitcoin, and send Ark payments.
Swift demo
A native iOS wallet built with Swift and Bark's Swift bindings. Create a wallet, receive bitcoin, and send Ark payments.
Go demo
See other users on a 3D globe, create a Bark wallet, and send them real Ark payments on signet, visualized as animated arcs.
Expo demo
Create a wallet, receive bitcoin, and send real Lightning and Ark payments on signet, powered by Bark's React Native bindings.
Flutter demo
The same wallet experience as the Expo demo, rebuilt with Flutter and powered by Bark's Dart bindings.
