Bitcoin and Mesh Networking

I am increasingly convinced that the future of Bitcoin (at least, its short term future) lies in mesh networking. Intro Mesh networks are networks were nodes connect to one another dynamically and without any hierarchy. There is no central authority, every node is connected to other nodes with which it exchanges data. Bitcoin already looks a lot like a mesh network at the protocol level. Consider transactions or blocks propagation for example....

December 17, 2021 · 3 min · Fanis Michalakis

Millisatoshis

Today’s post was inspired by this very good question from @antward on Twitter: Millisats? I thought sats was the smallest unit? — Larix Lynx ⚡️ (@DigitaltGuld) December 15, 2021 As you can see, I tried to give him a synthetic answer, but then I thought to myself: why not devote today’s short piece to this question? So here we are. 1 millisat = 0.001 sat That’s the shortest answer one could give....

December 16, 2021 · 4 min · Fanis Michalakis

Facebook Metaverse Is All About Libra

One of our most prominent voices in the Bitcoin ecosystem in France is Jacques Favier. Having been a historian before becoming a Bitcoiner, Jacques often has a very interesting point of view on many aspects of the revolution we’re seeing happen before our eyes. When asked about what money is, Jacques often answers that the moneyness of any good cannot be analysed separately from the space in which this good is presumably used as money....

December 14, 2021 · 2 min · Fanis Michalakis

NFC > NFT

NFC seems to be all over Bitcoin Twitter recently, between Square/Spiral annoucement of a NFC enabled hardware wallet, Coinkite teasing their Satscard and Coin Corner messing around with hilarious NFC Lightning payment demos. What the hell is NFC? NFC stants for Near Field Communication. It leverages one of the most elegant physical phenomenon Mother Nature gave us1 to enable communication between two devices that are very close to each other. A varying current in one circuit creates a magnetic field which in turn induces a current in the other circuit....

December 13, 2021 · 2 min · Fanis Michalakis

Using Bitcoin OP_RETURN for Command and Control

Today’s article is a fun one. The story it describes is not new, but it has resurfaced recently following a blog post by Google’s Threat Analysis Group (TAG). A story of how a group of criminals has used (and, to the extent to what we know, still uses) Bitcoin in a quite unexpected way: to send data to their malware. Its name was Glupteba Quoting Google, Glupteba is “known to steal user credentials and cookies, mine cryptocurrencies on infected hosts, deploy and operate proxy components targeting Windows systems and IoT devices”....

December 11, 2021 · 4 min · Fanis Michalakis