Square Crypto, the crypto arm of the payments company run by Twitter founder CEO Jack Dorsey, has hired three new software engineers, it announced today in a tweet.
The new hires are from Lightning Labs, Google, and Dorsey’s nemesis, the Facebook-led stablecoin network, LibraLibra:
Valentine Wallace joins from Lightning Labs, Jeffrey Czyz from Google, and Arik Sozman from Facebook, where he was building the Calibra wallet for Facebook’s blockchain project, Libra.

Bitcoin core developer Matt Corallo joins Square Crypto
Square Crypto is on the board with a big-time hire from within the cryptoverse. Matt Corallo, former engineer at Chaincode Labs and cofounder of Blockstream, has joined Twitter CEO Jack Dorsey's Square Crypto to help advance the company's Bitcoin development efforts. "Matt will play a vital role at [Square Crypto], much as he did at [Chaincode Labs], providing valuable experience of Bitcoin engineering within the team and broader ecosystem of new devs," the company announced today on Twitter. S...
Last month, Square Crypto announced it’d hired Matt Corallo, co-founder of Blockstream and previously a BitcoinBitcoin core developer.
These new hires complete Dorsey’s deck for a software engineering team to “work full-time on open source contributions to the bitcoin/crypto ecosystem,” as Dorsey tweeted back in March of this year.
Square crypto’s goal is to improve the Bitcoin ecosystem. How exactly? It doesn’t know. But whatever it ends up doing, it’ll be a project that “improves or proliferates bitcoin,” according to today’s announcement.
But it probably won’t be another crypto; Jack Dorsey told The Sydney Morning Herald earlier this month that Bitcoin is still the Internet’s “best bet” for a native currency—rather than a commercial alternative.
Square Crypto is still on the hunt for a “very senior designer,” who’ll “play a major role in formalizing how the world interacts with bitcoin.” Any takers?