BlueSign - Bitcoin Wallet

A Bitcoin wallet that allows you to store, send Bitcoin, receive Bitcoin and buy Bitcoin with focus on security and simplicity.

BlueSign reintroduces AOPP - Address Ownership Proof Protocol (removed from BlueWallet). A feature which, among other things, streamlines the purchase flow to self-custody. Self-custody is by far the most important concept in bitcoin. If you do not possess exclusive control over and knowledge of your private keys, you do not own bitcoin. Anything that makes it easier for people to purchase and secure sovereign bitcoin improves the security and resiliency of both individuals and the Bitcoin Network as a whole. We must maximise the prevalence of self-custodied bitcoin, given the realities we find ourselves in. Lowering the friction involved with buying and securing bitcoin to self-custody is an example of what can be done to achieve this.

On BlueSign, a bitcoin wallet you own you private keys. A Bitcoin wallet made by Bitcoin users for the community.


You can instantly transact with anyone in the world and transform the financial system right from your pocket.


Create for free unlimited number of bitcoin wallets or import your existing wallet. It's simple and fast.


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Here's what you get:



1 - Security by design


Open Source

MIT licensed, you can build it and run it on your own! Made with ReactNative


Plausible deniability

Password which decrypts fake bitcoin wallets if you are forced to disclose your access


Full encryption

On top of the iOS multi-layer encryption, we encrypt everything with added passwords


Full node

Connect to your Bitcoin full node through Electrum


Cold Storage

Connect to your hardware wallet and keep your coins in Cold storage


2 - Focused on your experience


Be in control

Private keys never leave your device.
You control your private keys


Flexible fees

Starting from 1 Satoshi. Defined by you, the user


Replace-By-Fee

(RBF) Speed-up your transactions by increasing the fee (BIP125)


Watch-only wallets

Watch-only wallets allow you to keep an eye on your cold storage without touching the hardware.


Lightning Network

Lightning wallet with zero-configuration. Unfairly cheap and fast transactions with the best Bitcoin user experience.


Local Trader

A p2p Bitcoin Trading platform, that allows you to buy and sell bitcoin directly to other users without 3rd parties.