Off-chain Bitcoin L2 based on statechains.
26 published apps · Off-chain · 1 sunset
Cashu and Spark wallet for sending bearer ecash and Lightning payments.
Cashu · Spark · Lightning Network · Wallets · Payments/Commerce
The Bitcoin wallet for Spark and BTC tipping on X.
Spark · Lightning Network · Wallets
A non-custodial payment-request app that observes on-chain and Lightning payments into a wallet you already control, including Spark, LND, Core Lightning, LNbits, NWC, and LNURL.
Bitcoin L1 · Lightning Network · Spark · Payments/Commerce
A Bitcoin payments wallet with a custodial Lightning account and a separate non-custodial Spark wallet, plus merchant and circular-economy tools.
Bitcoin L1 · Lightning Network · Spark · Wallets · Payments/Commerce
Mobile Bitcoin wallet with Lightning and Spark balances.
Spark · Lightning Network · Bitcoin L1 · Wallets
Regulated stablecoin issuance, custody, and payments infrastructure used across many chains and rails.
Spark · Payments/Commerce · Nodes/Infrastructure
Developer SDKs for adding Bitcoin Lightning and Spark payments to apps and services.
Lightning Network · Spark · Nodes/Infrastructure
Developer SDK for adding non-custodial Lightning and Spark bitcoin payments inside third-party apps. Distinct from the Breez consumer app.
Lightning Network · Spark · Bitcoin L1 · Nodes/Infrastructure · Payments/Commerce
Self-custodial wallet with Bitcoin, Lightning, and Spark support.
Point-of-sale wallet for accepting Lightning and Spark payments.
Spark · Lightning Network · Wallets · Payments/Commerce
Spark-based Bitcoin exchange and orchestration infrastructure for swaps, routing, and markets.
Spark · DEX · Nodes/Infrastructure
Cross-chain bridge between Spark and multiple crypto blockchains.
Spark · Bridges
Mobile Bitcoin wallet with Lightning and Spark support.
Money-movement API for sending, receiving, holding, spending, and converting value, including Bitcoin rails documented on Lightning and Spark.
Lightning Network · Spark · Payments/Commerce · Nodes/Infrastructure
Bitcoin (and cashback) rewards at over 25,000 top stores.
Financial Services · Spark · Lightning Network · Payments/Commerce
A launchpad and trading platform supporting multiple Bitcoin standards including Spark, Runes & Ordinals.
Spark · Ordinals · Runes · DEX
Nostr client with a built-in non-custodial Spark wallet for sending and receiving Bitcoin over Lightning and on-chain.
Spark · Lightning Network · Bitcoin L1 · Wallets · Payments/Commerce
Developer wallet infrastructure for embedding and controlling wallets across many chains, including a Spark integration.
Spark · Nodes/Infrastructure
A former mobile wallet and trading app for Bitcoin, Spark, Ordinals, and Runes; the team announced a sunset in May 2026.
Bitcoin L1 · Runes · Spark · Ordinals · Wallets · DEX
Bitcoin app for Runes and Spark token swaps, comparing BTC-backed loans, and accessing yield products.
Spark · Runes · DEX · Lending/Borrowing
A full-featured web wallet tool for the Spark network.
Spark · Analytics/Tools
Block explorer for the Spark Bitcoin Layer 2 network.
A Multi-Chain Analytics Platform for the Bitcoin Ecosystem. Supports Stacks, Citrea, & Spark.
Citrea · Spark · Stacks · Analytics/Tools
Launchpad and trading platform for BTKN tokens on Spark.
Spark · DEX
An iOS and Android Bitcoin payment wallet with Lightning support and region-dependent custodial or Spark self-custody modes.
Lightning Network · Spark · Bitcoin L1 · Wallets · Payments/Commerce
A feature packed Bitcoin wallet on mobile and desktop with support for L1, Runes, Ordinals, Lightning, Spark, Stacks, & Starknet.
Spark · BRC-20 · Runes · Ordinals · Stacks · Bitcoin L1 · Lightning Network · Wallets · Nodes/Infrastructure
