Category: blockchain
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September 8, 2025

Hackaday Links: September 7, 2025
Two weeks ago, it was holographic cops. This week, it’s humanoid robot doctors. Or is it? We’re pretty sure it’s not, as MediBot, supposedly a $10,000 medical robot from Tesla, appears to be completely made up. Aside from the one story we came across, we can’t find any other references to it, which we think […]
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May 13, 2019

This Week in Security: Backdoors in Cisco Switches, PGP Spoofing in Emails, Git Ransomware
Cisco CVE-2019-1804 Some switches in Cisco’s 9000 series are susceptible to a remote vulnerability. It’s a bit odd to call it a vulnerability, actually, because the software is operating as intended. Cisco shipped out these switches with the same private key hardcoded in software for all root SSH logins. Anyone with the key can log […]
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by admin
April 2, 2019

Radio Free Blockchain: Bitcoin from Space
Cryptocurrencies: love them, hate them, or be baffled by them, but don’t think you can escape them. That’s the way it seems these days at least, with news media filled with breathless stories about Bitcoin and the other cryptocurrencies, and everyone from Amazon to content creators on YouTube now accepting the digital currency for payments. […]
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March 1, 2019

Yes, You Can Put IoT on the Blockchain using Python and the ESP8266
Last year, we saw quite a bit of media attention paid to blockchain startups. They raised money from the public, then most of them vanished without a trace (or product). Ethics and legality of their fundraising model aside, a few of the ideas they presented might be worth revisiting one day. One idea in particular […]
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