self-custody

Nova Wallet Android is a next gen application for Polkadot & Kusama ecosystem, transparent & community-oriented, focused on convenient UX/UI, fast performance & security.

⚠️ Nova Wallet Android moved to new repository. We have transitioned from open sourcing Nova Wallet code based on the Treasury grant completion to the full open source mode.

Self-custodial Bitcoin and Lightning Wallet

Polkadot Android user-agent prototype

PyBLØCK ᛒ — self-custody Bitcoin wallet for the BLAKE2b PoW fork. Native Android (Kotlin/Compose), on-device keys (bdk-ffi), coin control, Ricochet, PayNym, live pool/CHIRP stats, community Nostr chat. Reproducible build + Apache-2.0.

Self-custody Litecoin wallet for Android. Keys generated and sealed on device. BIP-44/49/84 from one BIP-39 seed, Electrum + Blockbook, derivation pinned to the official BIP test vectors.

Experimental THORChain-aligned Android self-custody wallet with zero affiliate fees on direct THORChain swaps

Android Kotlin SDK for MakePay checkout intents, mobile-safe backend payloads, and deep-link helpers. Cryptocurrency payment gateway for direct self-custody merchant-wallet settlement, decentralized swaps, and 70+ coin/20+ chain auto-conversion.

Kotlin JVM SDK for MakePay payment links, checkout URLs, bookkeeping, and signed webhooks. Cryptocurrency payment gateway for direct self-custody merchant-wallet settlement, decentralized swaps, and 70+ coin/20+ chain auto-conversion.