Smartphones as a Single Point of Failure
August 18, 2022•28 words
OTP tools like Authy and 1Password can help with this, as can iMessage, but they’re still no full substitute for the web’s reliance on SMS these days.
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Automating /etc/hosts file entries via API
July 21, 2022•753 words
I ran into a really frustrating problem at work today. My employer-provided laptop is locked down extremely tight for security and compliance reasons and part of that lockdown is the utilization of Cisco's Umbrella software to route certain DNS queries only via VPN.
For whatever reason, DNS resolution via Umbrella is completely broken at the moment for my Windows 10 device. This means any of the internal DNS zones I need to get to... I can't. This includes critical tools to my day-to-day like ...
Read postBlockchain
August 21, 2022•213 words
At a high level of abstraction, here's how any blockchain works: Someone on the network proposes a block containing a list of recent transactions. Then other network participants verify that the block follows the network's rules. If a sufficient number of other network participants accept the block, it becomes the "official" next block in the chain. As long as most network participants are honest, users can have confidence that transactions accepted by a majority of the network won't be removed...
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