GHOST: Secure High-Rate Transaction Processing in Bitcoin || Yonatan Sompalinsky and Aviv Zohar

"Bitcoin is a disruptive new crypto-currency based on a decentralized open-source protocol which has been gradually gaining momentum. Perhaps the most important question that will affect Bitcoin’s success, is whether or not it will be able to scale to support the high volume of transactions required from a global currency system. We investigate the implications of having a higher transaction throughput on Bitcoin’s security against double-spend attacks. We show that at high throughput, substantially weaker attackers are able to reverse payments they have made, even well after they were considered accepted by recipients. We address this security concern through the GHOST rule, a modification to the way Bitcoin nodes construct and re-organize the block chain, Bitcoin’s core distributed data-structure. GHOST has been adopted and a variant of it has been implemented as part of the Ethereum project, a second generation distributed applications platform." As always, you can support the show by supporting and subscribing to Alpe Audio: 👉 Start learning with Alpe: https://link.alpeaudio.com/70to/d895de1 Want to learn on the go but need more depth than a podcast? Alpe is the app for you. It’s an audio education app that brings great in depth courses that are as fun as podcasts but as educational as well, a degree. Each lesson comes with summaries, additional resources, flash cards and more. You can even find Ethereum Audible on Alpe with all those additional resources. ___________________ Link to the paper: https://www.ifca.ai/pub/fc15/89750476.pdf Link to my summary of the whitepaper: https://www.notion.so/yehoshua/Ethereum-6f74eacc4f374ee49ba8c792009c87cb#dd6134662902483382fe03c9e19506c9

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