Jameson Lopp

Jameson Lopp is the CTO and co-founder of Casa, a self custody service. A cypherpunk whose goal is to build technology that empowers individuals, he has been building multisignature bitcoin wallets since 2015. Prior to founding Casa, he was the lead infrastructure engineer at BitGo. He is the founder of Mensa's Bitcoin Special Interest Group, the Triangle Blockchain and Business meetup and several open source Bitcoin projects. Throughout this time he has worked to educate others about what he has learned the hard way while writing robust software that can withstand both adversaries and unsophisticated end users.

Jameson Lopp

Latest from Jameson Lopp


Opinion

Some Users May Want an ‘Everything App’, but What We Need Is Digital Sovereignty

Jameson Lopp argues Twitter's recent rebrand falls in line with big tech's obsession with data. Nostr, an increasingly popular social network, is one alternative.

Projects To Watch 2023: Nostr

Opinion

What Is Crypto’s Downfall? Its Complexity

But that doesn't mean bitcoiners should close their mind to the wider blockchain industry.

(Zoe Holling/Unsplash, modified by CoinDesk)

Markets

Reflections on a Swatting: Inside One Bitcoin Engineer's Security Battle

Bitcoin developer and Casa wallet engineer Jameson Lopp recounts his 2017 swatting, and his fight to find his harasser.

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Markets

What the Data Tells Us About Bitcoin in 2017

Statistics show bitcoin is at the forefront of an increasingly complex ecosystem that continues to grow in a variety of ways. And it refuses to die.

Lightning network nodes_asinq

Markets

Could SPV Support a Billion Bitcoin Users? Sizing up a Scaling Claim

A deep dive into claims that it's safe to remove bitcoin's block size limit and instead rely on existing "simplified payment verification" methods.

SPV vs Full Chain Struggle - 5

Markets

Bitcoin and the Benefits of 'Coopetition'

Jameson Lopp makes an impassioned plea for more cooperation between the players in the bitcoin space in order that the system can thrive.

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Markets

Nobody Understands Bitcoin (And That's OK)

Does anyone understand bitcoin? This multifaceted technology is different things to different people, and we should accept that, argues Jameson Lopp.

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Markets

Review: Putting Ledger's New Bitcoin Hardware to the Test

Ledger's new hardware wallet is the most costly on the market. Does it have the features to justify the expense? BitGo's Jameson Lopp investigates.

Ledger Blue

Markets

Bitcoin's Security Model: A Deep Dive

CoinDesk takes a look under the hood to understand what security features are and aren't offered by bitcoin.

bitcoin-security

Markets

Bitcoin: The Trust Anchor in a Sea of Blockchains

Bitcoin software engineer Jameson Lopp takes a deep and enlightening dive into the unique attributes that make up blockchains.

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