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Vanessa Finzer • 3 cards
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Maddalena Ghidelli • 5 cards
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.
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This is Paul Graham.
Moi Jamri • 34 cards
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Molly Snowden • 1 card
Product Management
Beatriz Varella • 2 cards
But the clever bit was when Hertzstark got rid of all the number registers and replaced them with a single unit called a step drum. This, as the name implies, is a drum made of metal cut in steps to correspond to different numbers. He then simplified things even further by adding a second drum on top of the first in reverse, so a simple shift in th... See more
David Szondy • Curta calculator: The mechanical marvel born in a Nazi death camp
Already in 1926-27 while I was in sales, people said again and again, "Yes, that is nice, but isn't there anything smaller?" This was a time when there was a lot of advertising of the calculating machine. Everyone who was a technician, carried his slide rule. But for calculating, the equivalent didn't exist. People again and again said, "Does somet... See more