Today, we want to take you on a tour through the odd world of hardware wallets. Over the years, Vacuumlabs engineers have gained extensive experience with this technology, so it seemed fun to share some of the learnings with fellow developers…
In late 2017, we bought a few coins and wanted to store them securely. The whole ecosystem was relatively immature, so we decided to implement a good wallet that’d be secure enough, and that’d suit our needs. It seemed pretty straightforward; you do some crypto-mojo of hashing and signing in Javascript and broadcast the resulting transaction. This is kind of a task which makes you ask yourself, “OK, and what will I do in the afternoon?” Obviously, we couldn’t be more wrong.
What mistake should be avoided by code reviewers?
Sometimes betting on new and promising kid on the block brings great benefits!
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