We have been examining the state of the Bitcoin and Ethereum networks over time. In a recent study, we examine the level of decentralization in these two networks, with some interesting takeaways for the future.
Devising a lottery based off of a blockchain is a lot harder than it seems. Also, this is a parable for the Bitcoin blockchain debate.

Parity Proposals’ Potential Problems

This post argues that the recently proposed EIPs to rescue the frozen ethers are dangerous.
We discuss a novel scheme for preventing (miner) frontrunning in Ethereum.
Between miners, businesses and developers, people think that the developers have their best interests at heart. I discuss why this is a fallacy.
This post examines decentralized exchanges
Shenanigans at Bitfinex are poised to mess up their accounting, confuse the price of BCC, and potentially bankrupt the already-bankrupt exchange.
We do a deep-dive into Parity's multisig bug.
The bug in the Parity multisig wallet that caused the loss of $30M has the same root cause as a bug in the BitGo multisig wallet that I found a year ago.
A new atomic trade protocol to allow two parties to publicly pledge support for different forks in the event a blockchain splits into two.