MiningDAO is a protocol aiming to make block production on Ethereum transparent, trustless, and decentralized. The most urgent use-case is miner-extractable value (“MEV”). The protocol allows anyone to propose entire blocks to be mined, with a reward attached for mining them. Mining pools can select the blocks with highest rewards…

TL;DR: Mimblewimble’s privacy is fundamentally flawed. Using only $60/week of AWS spend, I was able to uncover the exact addresses of senders and recipients for 96% Grin transactions in real time. The problem is inherent to Mimblewimble, and I don’t believe there’s a way to fix it. This means Mimblewimble…

By now everyone has heard of CryptoKitties, a cute game that went viral to the point of overloading the whole Ethereum network. This is the inside story behind how we made $107K investing in CryptoKitties and briefly set the record for the largest sale ever (currently second-largest). Later, we made…

This post is a deep-dive into programmatically trading on the Ethereum / Bancor exchange and exploiting a game-theoretic security flaw in Bancor, a high-profile smart contract on the Ethereum blockchain. The full code can be found at https://github.com/bogatyy/bancor. We collaborated with the Bancor team to make sure the current exploit…