Alok Menghrajani, security engineer at Square, details their Multisig & Hardware key management system for the cold storage of customer’s Cash app Bitcoin balances. Plus their decision to embrace the principles of the Bitcoin culture and open source their efforts to the benefit of the whole industry.

Check out the blog to applaud the article and see the author’s other work, and don’t forget to follow @Alokmenghrajani & @CashApp on Twitter:https://medium.com/square-corner-blog/open-sourcing-subzero-ee9e3e071827
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