Announcing The Town Crier Service

Town Crier is an oracle service for smart contracts.
This post makes the case that people, new to an area and eager to become an expert, go through a well-defined series of stages.
Cryptocurrencies are vulnerable to attacks targeting the network routing layer. In this guest post, Apostolaki, Zohar and Vanbever show that BGP attacks are back, and this time, they have a high value target.
We detail a new technique for linking Monero transactions.
My quick reaction to the latest salvo of shots fired in the war between Core developers and miners.
BitFury has been mining smallest-transactions-first. We argue why this is bad for Bitcoin.

The Greening of Blockchains

Blockchains are beginning to turn green. This post describes some of the IC3 research in this direction.
We characterize the state of the Bitcoin network as of this year, and discover that it has improved by 70% in terms of bandwidth compared to last year alone.
Miniature world is an evaluation platform which provides a principled way of evaluating different blockchain proposals.
As regulators take a closer interest in cryptocurrencies, IC3 faculty weigh in on if and how they should be regulated.