Posts in Research
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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Blockcerts and the Digital Certificates Project

An incubation project by the Media Lab Learning Initiative and Learning Machine that builds an ecosystem for creating, sharing, and verifying blockchain-based educational certificates. Digital certificates are registered on the Bitcoin blockchain, cryptographically signed, and tamper proof. All code is open-source and we invite feedback, contributions, and general discussion.

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