Sublime
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Are Blockchains Decentralized? Unintended Centralities in Distributed Ledgers
The report investigates the true decentralization of blockchains, highlighting various forms of centralization, vulnerabilities in consensus protocols, and the implications for security and immutability in networks like Bitcoin and Ethereum.
blog.trailofbits.com
How to Walk and Talk: Everything We Know
How to plan and organize a walk-and-talk, including choosing participants, setting the duration and distance, arranging meals and lodging, and managing logistics and communications.
kk.org
the Curta hit the world market in 1949 selling for US$125 through mail order and in a handful of specialty shops. It was a lot of money in those days, but the Curta was still a hit with engineers, traveling accountants, pilots, and even rally drivers. In the end, 150,000 of them were built in two models over the course of 20 years. It also gained a... See more
David Szondy • Curta calculator: The mechanical marvel born in a Nazi death camp
The practical methodologies evolved over many years, and were largely the work of John Hall, a gunsmith from Portland, Maine, and inventor of the “Hall carbine” that became notorious when muckrakers dug into the youthful Pierpont Morgan’s dealings with Civil War procurement authorities.
Charles R. Morris • The Tycoons: How Andrew Carnegie, John D. Rockefeller, Jay Gould, and J. P. Morgan Invented the American Supereconomy
Best-practice steam engine technology could have saved the equivalent of a quarter of labor costs at most plants. Inefficient furnaces were oxidizing away huge amounts of metal. The Germans were pulling ahead in the use of overhead belt conveyors. It was absurdly wasteful to support 119 rail-shape standards. Better management of furnace linings, mo
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