Blitz Wallet is a free, open-source, self-custodial Bitcoin and Lightning wallet that serves as the first live reference implementation of Spark. Blitz Wallet's Twitter Score is 9.2 out of 1000 as of October 2026, ranking #101,737 among 498,348 tracked accounts.
Blitz Wallet was founded by Blake Kaufman and is backed by OpenSats, which first funded the project in its sixth wave of Bitcoin grants in July 2024 and has since renewed that grant. The wallet is powered by the Spark Layer 2 network, enabling instant, low-fee Bitcoin payments without requiring users to manage channels or maintain nodes. Users retain full control through a 12-word seed phrase, no KYC is required, and the project never takes custody of funds. The code is publicly available under the Apache License 2.0.
Blitz Wallet supports payments across multiple rails, including Lightning, Spark, on-chain Bitcoin, Liquid, and Rootstock, and also handles stablecoins such as USDT, USDC, and the Spark-native USDB token. The wallet is available on iOS and Android, and a Progressive Web App version runs directly in a browser. Its feature set spans Nostr Wallet Connect, LNURL support, Lightning addresses, multiple accounts, payment links, gifting, collaborative payment pools, transaction-history export, and point-of-sale tools. Blitz Wallet has published 1,516 posts and has been mentioned by 16 accounts a total of 44 times, with 2,565 followers as of October 2026 on the platform.
Who follows Blitz Wallet on X?
The accounts that follow Blitz Wallet include 58 founders, 4 angel investors and 30 influencers, among them Adam Back, Blockstream, Brad Mills, Stephan Livera, Xverse - Bank on Bitcoin and Bitrefill.