Coindesk's 'This Scaling Tech Could Let You Sync Bitcoin Straight From Your Phone' using UTreeXO created by Tadge Dryja

“Maybe we don’t have to store everything ourselves.”

That’s Tadge Dryja, cryptocurrency research scientist at the MIT Digital Currency Initiative, explaining the concept behind his bitcoin scaling solution, “utreexo.”

Based on an idea that has been pursued by developers for many years, utreexo seeks to streamline an aspect of bitcoin’s code that leads to heavy storage requirements over time.

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Coindesk's 'Bitcoin at 10[years old]': From Fearing Bitcoin To Fixing Its Worst Problem: Tadge Dryja

A celebration of 10 years of Bitcoin features DCI's Tadge Dryja story:

““I thought I would go to jail.”

That’s why Tadge Dryja, one of two principal researchers who would go on to envision lightning – what has become arguably the most important innovation in the quest to bring bitcoin to the masses – kept his passion for the technology to himself when he first heard about it in 2011.”

Read the article on Coindesk here

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Michael Casey's "Vertcoin’s Struggle Is Real: Why the Latest Crypto 51% Attack Matters"

You may not have heard of Vertcoin, a crypto project designed to curtail concentration in mining power in the interests of broad-based participation. But if you care about security, decentralization and open access for cryptocurrencies, then the questions raised by a recent breach of its blockchain will matter to you.

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Utreexo: A dynamic accumulator for Bitcoin state - A description of research by Thaddeus Dryja

One of the earliest-seen and most persistent problems with Bitcoin has been scalability.  Bitcoin takes the idea of "be your own bank" quite literally, with every computer on the bitcoin network storing every account of every user who owns money in the system.  In Bitcoin, this is stored as a collection of "Unspent transaction outputs", or "utxo"s, which are somewhat unintuitive, but provide privacy and efficiency benefits over the alternative "account" based model used in traditional finance.

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Cellular structure for a digital fiat currency

This paper by DCI Reserach Scientist Robleh Ali sets out a structure for a digital fiat currency system. The primary benefit of the cellular structure is that it lowers barriers to entry for payments by using trustless intermediation between cells in the system. The larger purpose of this structure is to create an open foundation for a decentralized financial system in which competition can thrive but which cannot be captured by private interests.

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