Fiber DocsInteractive tutorials
Build with live Fiber Testnet projects running real browser nodes
Build with real Fiber nodes
Run browser nodes, fund Testnet channels, and inspect real payment state.
Connect to Fiber with a WASM Node
Start a browser-based Fiber node, create a Testnet identity, and connect to a public peer.
Open a Fiber Channel and Send a Payment
Fund a Testnet channel and send your first off-chain payment through the Fiber network.
Send a Multi-Hop Invoice Payment
Copy an invoice between two browser nodes and pay it through one public Fiber intermediary.
Open a Unidirectional Fiber Channel
Open a private one-way channel, inspect the payer and acceptor roles, and send a forward payment.
Build a Conditional Payment with a Hold Invoice
Pause an Invoice at the receiver, then explicitly settle or cancel the payment.
Unlock Encrypted Data with a Fiber Payment
Encrypt a result in one browser node, pay its Invoice from another, and decrypt with the revealed preimage.
Pay for a Verified Result
Place a Hold Invoice payment, verify a structured result, and release or cancel payment from the verdict.
Pay with RUSD over Fiber
Fund a Testnet RUSD channel, inspect token liquidity, and send a stablecoin payment.
Close a Fiber Channel and Recover Funds
Cooperatively close a channel and follow its final balance back on-chain.