https://sergeenkov.com Independent research on the digital economy, cryptocurrencies, and blockchain technology. en Wed, 18 Feb 2026 00:00:00 +0000 https://sergeenkov.com/fusaka-poison-attacks-ethereum/ https://sergeenkov.com/fusaka-poison-attacks-ethereum/ Wed, 18 Feb 2026 00:00:00 +0000 Fusaka reduced gas fees 6x, helping attackers increase address poisoning volume 5.6x. In 73 days after the upgrade, victims lost $63.3M — a 13-fold increase compared to the same period before Fusaka ($4.9M). https://sergeenkov.com/thedao-curators-220m-hack-victims/ https://sergeenkov.com/thedao-curators-220m-hack-victims/ Mon, 09 Feb 2026 00:00:00 +0000 Seven curators including Vitalik Buterin took control of $220M in unclaimed TheDAO funds to stake and fund Ethereum security grants. Two original curators resigned in protest, citing violation of fiduciary duties and legal risks. https://sergeenkov.com/will-thedao-money-improve-ethereum-security/ https://sergeenkov.com/will-thedao-money-improve-ethereum-security/ Mon, 09 Feb 2026 00:00:00 +0000 The TheDAO Security Fund sets a dangerous precedent for property rights in crypto. Meanwhile, Ethereum's security problems are too fundamental to solve by throwing money at them. https://sergeenkov.com/record-high-activity-ethereum-2026/ https://sergeenkov.com/record-high-activity-ethereum-2026/ Sun, 19 Jan 2026 00:00:00 +0000 Over $740K already stolen through address poisoning attacks enabled by the Fusaka upgrade which reduced transaction fees 6-fold. The attack is ongoing with millions of addresses receiving poisoning dust.