Bull Bitcoin, the international privacy-focused bitcoin exchange, has just announced the global release of BULL Wallet on iOS. The mobile app is designed for both beginners and hardcore cypherpunk Bitcoin OGs. Available now on iOS and Android, BULL Wallet optimizes for “top-tier privacy, security, and usability for day-to-day Bitcoin transactions and secure long-term cold storage,” according to a press release shared with Bitcoin Magazine.
“BULL Wallet is my passion project and a gift to the Bitcoin network. It is Bitcoin-only, fully open-source, and built to prioritize privacy, security, and simplicity,’’ said Pouliot of the wallet, which is fully open-source and ad-free.
The BULL bitcoin wallet is fully featured, delivering a wide range of features, starting off with basic send, receive, and accounting, down to hardware wallet support via COLDCARD integration — generally considered the most paranoid and advanced hardware wallet. In between, the wallet makes a series of opinionated design choices that optimize for bitcoin privacy while avoiding high degrees of complexity seen in other popular bitcoin mobile wallets today.
Of course, as is on brand for the company, the wallet is bitcoin only, though it supports the crypto asset leader in both the Lightning Network and the Liquid Network, giving users great options for both privacy, long-term custody, and transaction speeds. The wallet even has a swap exchange integrated using a powerful technology called atomic swaps, which lets users move from one layer to another of bitcoin without having to trust any exchange with their funds in the transition, unlike normal centralized exchanges or even popular swap or ‘instant exchanges’.
The BULL Wallet also has a deep integration with the Bull Bitcoin exchange, a feature crucial to the long-term sustainability of mobile wallets, which tend to struggle otherwise to find a business model and thus stay afloat. Exchange interactions are opt-in and can be ignored altogether, but if turned on, they can unlock extra features like fiat payments of bills, quick purchases, and the sale of bitcoin, among other features, depending on jurisdiction.
One of the most compelling features the BULL Wallet offers is seamless integration with Payjoin, a privacy protocol that, unlike popular coin mixers, does not take a long time nor require a third party to help coordinate. Instead, if both the sender and the recipient support the protocol, the payjoin transaction takes place, making it harder for data analysis companies to know who paid how much to whom. Payjoin transactions look like normal transactions, but simply organize the money flows in a private way, resulting in a measurable upgrade in user privacy, something that is generally positive for Bitcoin’s censorship resistance qualities as well.
The BULL Wallet has a long list of features under the hood that advanced users will appreciate, while new users can simply benefit from, such as;
- Segwit-native descriptor-based architecture using the trusted BDK library
- Standard BIP39 mnemonic support
- Connection to personal nodes or your own Electrum server for direct Bitcoin network access
- Coin selection and labeling capabilities
- Customizable mempool-based fee calculations with RBF to avoid overpaying mining fees
- Watch-only wallet import
- Encrypted secrets to protect against malicious apps
- Secure keyboard to prevent clipboard hijacking
- No push notifications and no data collection
- Address labeling for enhanced coin selection
- BIP85-based secrets derivation
- Multiple fiat currency support
- Testnet compatibility
Future Roadmap
The team, made up of four full-time developers and “lifelong funding”, has a deep roadmap ahead, which, if completed, could result in the most powerful Bitcoin-only mobile wallet in the industry. Some of these milestones include:
- Fully reproducible builds
- Ark Network integration
- Silent Payments
- Secure and anonymous metadata backups
- Advanced coin labeling and selection
- Support for all major hardware wallets
- Multisignature wallets and Miniscript
- Nostr-based anonymous chat
- LN addresses
Francis, an entrepreneur with deep experience in the Bitcoin industry, said of the roadmap that “this is only the beginning, we will keep improving it forever.”