Welcome to the Bitkey development blog.

Bitkey is the safe, easy way to own and manage bitcoin. It’s a mobile app, hardware device, and a set of recovery tools, for simple, secure self-custody.

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Most Recent Posts
Bitkey Team

Bitcoiners: Natalie Brunell

Coin Stories host wants you to know that bitcoin is for everyone. (And you’re still very early.) “Fix the money, fix the world” means a lot of things to a lot of people. For Natalie Brunell, host of Coin Stories and author of Bitcoin is for Everyone, it means...

Jonathan Pollock

Not our keys, not our business

How Bitkey used Chain Code Delegation to create the first private collaborative bitcoin wallet. Starting today, Bitkey users can enjoy the safety of collaborative multisig without giving up privacy around their wallet balances or transaction history. It’s a first for multisig wallets—and another step toward making self-custody accessible...

Jonathan Pollock
Jurvis Tan

Chain Code Delegation: Improving privacy in collaborative multisig

Collaborative custody and multisig setups have long faced a tradeoff between safety and privacy. Sharing a key with a third party—whether for recovery, policy enforcement, or convenience—has traditionally meant giving that party visibility into a user’s wallet balance and transaction history. A new proposal called Chain Code...

Jonathan Pollock

Hardware wallets are not enough

Hardware is a critical component of self custody. But it only solves part of the problem. We all know the mantra: Not your keys, not your coins. It’s long been the rallying cry for bitcoiners to move their keys off exchange into self-custody, a posture that means nobody but...

Jonathan Pollock

Seedless is safer

Losing your seed phrase is perhaps a bitcoiner’s biggest fear. And for good reason. When seed phrases came into existence more than a decade ago, they were a vast improvement in user experience compared to managing raw private keys—strings of hex buried in files or password managers. They...

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